code
stringlengths 31
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public static void main ( String [ ] args ) {
System . out . println ( new p023 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p023 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static boolean isAbundant ( int n ) {
if ( n < 1 ) throw new IllegalArgumentException ( ) ;
int sum = 1 ;
int end = Library . sqrt ( n ) ;
for ( int i = 2 ;
i <= end ;
i ++ ) {
if ( n % i == 0 ) sum += i + n / i ;
}
if ( end * end == n ) sum -= end ;
return sum > n ;
}
| private static boolean isAbundant ( int n ) { if ( n < 1 ) throw new IllegalArgumentException ( ) ; int sum = 1 ; int end = Library . sqrt ( n ) ; for ( int i = 2 ; i <= end ; i ++ ) { if ( n % i == 0 ) sum += i + n / i ; } if ( end * end == n ) sum -= end ; return sum > n ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (throw_statement (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) consequence: (expression_statement (assignment_expression left: (identifier) right: (identifier)))) (return_statement (binary_expression left: (identifier) right: (identifier))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p045 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p045 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p016 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p016 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p050 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p050 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p123 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p123 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p108 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p108 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static int countDivisorsSquared ( int n ) {
int count = 1 ;
for ( int i = 2 , end = Library . sqrt ( n ) ;
i <= end ;
i ++ ) {
if ( n % i == 0 ) {
int j = 0 ;
do {
n /= i ;
j ++ ;
}
while ( n % i == 0 ) ;
count *= j * 2 + 1 ;
end = Library . sqrt ( n ) ;
}
}
if ( n != 1 ) count *= 3 ;
return count ;
}
| private static int countDivisorsSquared ( int n ) { int count = 1 ; for ( int i = 2 , end = Library . sqrt ( n ) ; i <= end ; i ++ ) { if ( n % i == 0 ) { int j = 0 ; do { n /= i ; j ++ ; } while ( n % i == 0 ) ; count *= j * 2 + 1 ; end = Library . sqrt ( n ) ; } } if ( n != 1 ) count *= 3 ; return count ; } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (do_statement body: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (update_expression (identifier)))) condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal)))) (return_statement (identifier)))) |
public static void main ( String [ ] args ) {
System . out . println ( new p114 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p114 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p030 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p030 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static int fifthPowerDigitSum ( int x ) {
int sum = 0 ;
while ( x != 0 ) {
int y = x % 10 ;
sum += y * y * y * y * y ;
x /= 10 ;
}
return sum ;
}
| private static int fifthPowerDigitSum ( int x ) { int sum = 0 ; while ( x != 0 ) { int y = x % 10 ; sum += y * y * y * y * y ; x /= 10 ; } return sum ; } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier)) right: (identifier)) right: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))))) (return_statement (identifier)))) |
public static void main ( String [ ] args ) {
System . out . println ( new p010 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p010 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p145 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p145 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p142 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p142 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p020 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p020 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p065 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p065 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static int continuedFractionTerm ( int i ) {
if ( i == 0 ) return 2 ;
else if ( i % 3 == 2 ) return i / 3 * 2 + 2 ;
else return 1 ;
}
| private static int continuedFractionTerm ( int i ) { if ( i == 0 ) return 2 ; else if ( i % 3 == 2 ) return i / 3 * 2 + 2 ; else return 1 ; } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (decimal_integer_literal)) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (return_statement (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)) right: (decimal_integer_literal))) alternative: (return_statement (decimal_integer_literal)))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p146 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p146 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static boolean hasConsecutivePrimes ( int n ) {
long n2 = ( long ) n * n ;
long [ ] temp = new long [ INCREMENTS . length ] ;
for ( int i = 0 ;
i < INCREMENTS . length ;
i ++ ) temp [ i ] = n2 + INCREMENTS [ i ] ;
for ( int p : primes ) {
for ( long x : temp ) {
if ( x != p && x % p == 0 ) return false ;
}
}
for ( int i = 1 ;
i < INCREMENTS [ INCREMENTS . length - 1 ] ;
i ++ ) {
if ( Arrays . binarySearch ( INCREMENTS , i ) < 0 && isPrime ( n2 + i ) ) return false ;
}
return true ;
}
| private static boolean hasConsecutivePrimes ( int n ) { long n2 = ( long ) n * n ; long [ ] temp = new long [ INCREMENTS . length ] ; for ( int i = 0 ; i < INCREMENTS . length ; i ++ ) temp [ i ] = n2 + INCREMENTS [ i ] ; for ( int p : primes ) { for ( long x : temp ) { if ( x != p && x % p == 0 ) return false ; } } for ( int i = 1 ; i < INCREMENTS [ INCREMENTS . length - 1 ] ; i ++ ) { if ( Arrays . binarySearch ( INCREMENTS , i ) < 0 && isPrime ( n2 + i ) ) return false ; } return true ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (cast_expression type: (integral_type) value: (identifier)) right: (identifier)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (field_access object: (identifier) field: (identifier)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (field_access object: (identifier) field: (identifier))) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))))) (enhanced_for_statement type: (integral_type) name: (identifier) value: (identifier) body: (block (enhanced_for_statement type: (integral_type) name: (identifier) value: (identifier) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) consequence: (return_statement (false))))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (binary_expression left: (field_access object: (identifier) field: (identifier)) right: (decimal_integer_literal)))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier))) right: (decimal_integer_literal)) right: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (identifier)))))) consequence: (return_statement (false))))) (return_statement (true)))) |
private static boolean isPrime ( long n ) {
int end = ( int ) Library . sqrt ( n ) ;
for ( int p : primes ) {
if ( p > end ) break ;
if ( n != p && n % p == 0 ) return false ;
}
return true ;
}
| private static boolean isPrime ( long n ) { int end = ( int ) Library . sqrt ( n ) ; for ( int p : primes ) { if ( p > end ) break ; if ( n != p && n % p == 0 ) return false ; } return true ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (enhanced_for_statement type: (integral_type) name: (identifier) value: (identifier) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (break_statement)) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) consequence: (return_statement (false))))) (return_statement (true)))) |
public static void main ( String [ ] args ) {
System . out . println ( new p169 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p169 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p204 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p204 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p057 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p057 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p119 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p119 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static boolean isDigitSumPower ( BigInteger x ) {
int digitSum = digitSum ( x ) ;
if ( digitSum == 1 ) return false ;
BigInteger base = BigInteger . valueOf ( digitSum ) ;
BigInteger pow = base ;
while ( pow . compareTo ( x ) < 0 ) pow = pow . multiply ( base ) ;
return pow . equals ( x ) ;
}
| private static boolean isDigitSumPower ( BigInteger x ) { int digitSum = digitSum ( x ) ; if ( digitSum == 1 ) return false ; BigInteger base = BigInteger . valueOf ( digitSum ) ; BigInteger pow = base ; while ( pow . compareTo ( x ) < 0 ) pow = pow . multiply ( base ) ; return pow . equals ( x ) ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (false))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (identifier))) (while_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (decimal_integer_literal))) body: (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (return_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) |
private static int digitSum ( BigInteger x ) {
if ( x . signum ( ) < 1 ) throw new IllegalArgumentException ( "Only for positive integers" ) ;
int sum = 0 ;
for ( char c : x . toString ( ) . toCharArray ( ) ) sum += c - '0' ;
return sum ;
}
| private static int digitSum ( BigInteger x ) { if ( x . signum ( ) < 1 ) throw new IllegalArgumentException ( " Only ▁ for ▁ positive ▁ integers " ) ; int sum = 0 ; for ( char c : x . toString ( ) . toCharArray ( ) ) sum += c - '0' ; return sum ; } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) consequence: (throw_statement (object_creation_expression type: (type_identifier) arguments: (argument_list (string_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (enhanced_for_statement type: (integral_type) name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list)) body: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (character_literal))))) (return_statement (identifier)))) |
public static void main ( String [ ] args ) {
System . out . println ( new p047 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p047 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static boolean has4PrimeFactors ( int n ) {
return countDistinctPrimeFactors ( n ) == 4 ;
}
| private static boolean has4PrimeFactors ( int n ) { return countDistinctPrimeFactors ( n ) == 4 ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (identifier))) right: (decimal_integer_literal))))) |
private static int countDistinctPrimeFactors ( int n ) {
int count = 0 ;
for ( int i = 2 , end = Library . sqrt ( n ) ;
i <= end ;
i ++ ) {
if ( n % i == 0 ) {
do n /= i ;
while ( n % i == 0 ) ;
count ++ ;
end = Library . sqrt ( n ) ;
}
}
if ( n > 1 ) count ++ ;
return count ;
}
| private static int countDistinctPrimeFactors ( int n ) { int count = 0 ; for ( int i = 2 , end = Library . sqrt ( n ) ; i <= end ; i ++ ) { if ( n % i == 0 ) { do n /= i ; while ( n % i == 0 ) ; count ++ ; end = Library . sqrt ( n ) ; } } if ( n > 1 ) count ++ ; return count ; } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (do_statement body: (expression_statement (assignment_expression left: (identifier) right: (identifier))) condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) (expression_statement (update_expression (identifier))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (update_expression (identifier)))) (return_statement (identifier)))) |
public static void main ( String [ ] args ) {
System . out . println ( new p070 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p070 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static boolean hasSameDigits ( int x , int y ) {
char [ ] xdigits = Integer . toString ( x ) . toCharArray ( ) ;
char [ ] ydigits = Integer . toString ( y ) . toCharArray ( ) ;
Arrays . sort ( xdigits ) ;
Arrays . sort ( ydigits ) ;
return Arrays . equals ( xdigits , ydigits ) ;
}
| private static boolean hasSameDigits ( int x , int y ) { char [ ] xdigits = Integer . toString ( x ) . toCharArray ( ) ; char [ ] ydigits = Integer . toString ( y ) . toCharArray ( ) ; Arrays . sort ( xdigits ) ; Arrays . sort ( ydigits ) ; return Arrays . equals ( xdigits , ydigits ) ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (return_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier)))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p301 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p301 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p162 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p162 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static BigInteger bi ( int n ) {
return BigInteger . valueOf ( n ) ;
}
| private static BigInteger bi ( int n ) { return BigInteger . valueOf ( n ) ; } | (method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p171 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p171 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p088 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p088 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p055 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p055 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static boolean isLychrel ( int n ) {
BigInteger temp = BigInteger . valueOf ( n ) ;
for ( int i = 0 ;
i < 49 ;
i ++ ) {
temp = temp . add ( new BigInteger ( Library . reverse ( temp . toString ( ) ) ) ) ;
if ( Library . isPalindrome ( temp . toString ( ) ) ) return false ;
}
return true ;
}
| private static boolean isLychrel ( int n ) { BigInteger temp = BigInteger . valueOf ( n ) ; for ( int i = 0 ; i < 49 ; i ++ ) { temp = temp . add ( new BigInteger ( Library . reverse ( temp . toString ( ) ) ) ) ; if ( Library . isPalindrome ( temp . toString ( ) ) ) return false ; } return true ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (object_creation_expression type: (type_identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))))))) (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) consequence: (return_statement (false))))) (return_statement (true)))) |
public static void main ( String [ ] args ) {
System . out . println ( new p024 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p024 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p036 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p036 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p085 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p085 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static int numberOfRectangles ( int m , int n ) {
return ( m + 1 ) * m * ( n + 1 ) * n / 4 ;
}
| private static int numberOfRectangles ( int m , int n ) { return ( m + 1 ) * m * ( n + 1 ) * n / 4 ; } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (identifier)) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (identifier)) right: (decimal_integer_literal))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p346 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p346 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p035 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p035 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p104 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p104 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static boolean isFound ( int n , int fibMod ) {
if ( ! isPandigital ( Integer . toString ( fibMod ) ) ) return false ;
BigInteger fib = fibonacci ( n ) [ 0 ] ;
if ( fib . mod ( BigInteger . valueOf ( 1000000000 ) ) . intValue ( ) != fibMod ) throw new AssertionError ( ) ;
return isPandigital ( leading9Digits ( fib ) ) ;
}
| private static boolean isFound ( int n , int fibMod ) { if ( ! isPandigital ( Integer . toString ( fibMod ) ) ) return false ; BigInteger fib = fibonacci ( n ) [ 0 ] ; if ( fib . mod ( BigInteger . valueOf ( 1000000000 ) ) . intValue ( ) != fibMod ) throw new AssertionError ( ) ; return isPandigital ( leading9Digits ( fib ) ) ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (unary_expression operand: (method_invocation name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))) consequence: (return_statement (false))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (array_access array: (method_invocation name: (identifier) arguments: (argument_list (identifier))) index: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) name: (identifier) arguments: (argument_list)) right: (identifier))) consequence: (throw_statement (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (return_statement (method_invocation name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier)))))))) |
private static String leading9Digits ( BigInteger x ) {
int log10 = ( x . bitLength ( ) - 1 ) * 3 / 10 ;
x = x . divide ( BigInteger . TEN . pow ( Math . max ( log10 + 1 - 9 , 0 ) ) ) ;
return x . toString ( ) . substring ( 0 , 9 ) ;
}
| private static String leading9Digits ( BigInteger x ) { int log10 = ( x . bitLength ( ) - 1 ) * 3 / 10 ; x = x . divide ( BigInteger . TEN . pow ( Math . max ( log10 + 1 - 9 , 0 ) ) ) ; return x . toString ( ) . substring ( 0 , 9 ) ; } | (method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)) (decimal_integer_literal))))))))) (return_statement (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list (decimal_integer_literal) (decimal_integer_literal)))))) |
private static boolean isPandigital ( String s ) {
if ( s . length ( ) != 9 ) return false ;
char [ ] temp = s . toCharArray ( ) ;
Arrays . sort ( temp ) ;
return new String ( temp ) . equals ( "123456789" ) ;
}
| private static boolean isPandigital ( String s ) { if ( s . length ( ) != 9 ) return false ; char [ ] temp = s . toCharArray ( ) ; Arrays . sort ( temp ) ; return new String ( temp ) . equals ( "123456789" ) ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) consequence: (return_statement (false))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (return_statement (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list (string_literal)))))) |
private static BigInteger [ ] fibonacci ( int n ) {
if ( n < 0 ) throw new IllegalArgumentException ( ) ;
else if ( n == 0 ) return new BigInteger [ ] {
BigInteger . ZERO , BigInteger . ONE };
else {
BigInteger [ ] ab = fibonacci ( n / 2 ) ;
BigInteger a = ab [ 0 ] ;
BigInteger b = ab [ 1 ] ;
BigInteger c = a . multiply ( b . shiftLeft ( 1 ) . subtract ( a ) ) ;
BigInteger d = a . multiply ( a ) . add ( b . multiply ( b ) ) ;
if ( n % 2 == 0 ) return new BigInteger [ ] {
c , d };
else return new BigInteger [ ] {
d , c . add ( d ) };
}
}
| private static BigInteger [ ] fibonacci ( int n ) { if ( n < 0 ) throw new IllegalArgumentException ( ) ; else if ( n == 0 ) return new BigInteger [ ] { BigInteger . ZERO , BigInteger . ONE } ; else { BigInteger [ ] ab = fibonacci ( n / 2 ) ; BigInteger a = ab [ 0 ] ; BigInteger b = ab [ 1 ] ; BigInteger c = a . multiply ( b . shiftLeft ( 1 ) . subtract ( a ) ) ; BigInteger d = a . multiply ( a ) . add ( b . multiply ( b ) ) ; if ( n % 2 == 0 ) return new BigInteger [ ] { c , d } ; else return new BigInteger [ ] { d , c . add ( d ) } ; } } | (method_declaration (modifiers) type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (throw_statement (object_creation_expression type: (type_identifier) arguments: (argument_list))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (array_creation_expression type: (type_identifier) dimensions: (dimensions) value: (array_initializer (field_access object: (identifier) field: (identifier)) (field_access object: (identifier) field: (identifier))))) alternative: (block (local_variable_declaration type: (array_type element: (type_identifier) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (array_access array: (identifier) index: (decimal_integer_literal)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (array_access array: (identifier) index: (decimal_integer_literal)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))) name: (identifier) arguments: (argument_list (identifier))))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (return_statement (array_creation_expression type: (type_identifier) dimensions: (dimensions) value: (array_initializer (identifier) (identifier)))) alternative: (return_statement (array_creation_expression type: (type_identifier) dimensions: (dimensions) value: (array_initializer (identifier) (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p206 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p206 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static boolean isConcealedSquare ( int [ ] n ) {
for ( int i = 1 ;
i <= 9 ;
i ++ ) {
if ( n [ 20 - i * 2 ] != i ) return false ;
}
return n [ 0 ] == 0 ;
}
| private static boolean isConcealedSquare ( int [ ] n ) { for ( int i = 1 ; i <= 9 ; i ++ ) { if ( n [ 20 - i * 2 ] != i ) return false ; } return n [ 0 ] == 0 ; } | (method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier))) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (decimal_integer_literal) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (identifier))) consequence: (return_statement (false))))) (return_statement (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))))) |
private static void add10Pow ( int [ ] n , int i ) {
while ( n [ i ] == 9 ) {
n [ i ] = 0 ;
i ++ ;
}
n [ i ] ++ ;
}
| private static void add10Pow ( int [ ] n , int i ) { while ( n [ i ] == 9 ) { n [ i ] = 0 ; i ++ ; } n [ i ] ++ ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (while_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) (expression_statement (update_expression (identifier))))) (expression_statement (update_expression (array_access array: (identifier) index: (identifier)))))) |
private static void add20n ( int [ ] n , int [ ] n2 ) {
int carry = 0 ;
int i ;
for ( i = 0 ;
i < n . length ;
i ++ ) {
int sum = n [ i ] * 2 + n2 [ i + 1 ] + carry ;
n2 [ i + 1 ] = sum % 10 ;
carry = sum / 10 ;
}
for ( i ++ ;
carry > 0 ;
i ++ ) {
int sum = n2 [ i ] + carry ;
n2 [ i ] = sum % 10 ;
carry = sum / 10 ;
}
}
| private static void add20n ( int [ ] n , int [ ] n2 ) { int carry = 0 ; int i ; for ( i = 0 ; i < n . length ; i ++ ) { int sum = n [ i ] * 2 + n2 [ i + 1 ] + carry ; n2 [ i + 1 ] = sum % 10 ; carry = sum / 10 ; } for ( i ++ ; carry > 0 ; i ++ ) { int sum = n2 [ i ] + carry ; n2 [ i ] = sum % 10 ; carry = sum / 10 ; } } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (field_access object: (identifier) field: (identifier))) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (identifier)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (for_statement init: (update_expression (identifier)) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p077 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p077 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static int search ( int limit , int target ) {
int [ ] partitions = new int [ limit ] ;
partitions [ 0 ] = 1 ;
for ( int i = 0 ;
i < partitions . length ;
i ++ ) {
if ( ! Library . isPrime ( i ) ) continue ;
for ( int j = i ;
j < partitions . length ;
j ++ ) partitions [ j ] += partitions [ j - i ] ;
}
for ( int i = 0 ;
i < limit ;
i ++ ) {
if ( partitions [ i ] > target ) return i ;
}
return - 1 ;
}
| private static int search ( int limit , int target ) { int [ ] partitions = new int [ limit ] ; partitions [ 0 ] = 1 ; for ( int i = 0 ; i < partitions . length ; i ++ ) { if ( ! Library . isPrime ( i ) ) continue ; for ( int j = i ; j < partitions . length ; j ++ ) partitions [ j ] += partitions [ j - i ] ; } for ( int i = 0 ; i < limit ; i ++ ) { if ( partitions [ i ] > target ) return i ; } return - 1 ; } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (field_access object: (identifier) field: (identifier))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (unary_expression operand: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) consequence: (continue_statement)) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) condition: (binary_expression left: (identifier) right: (field_access object: (identifier) field: (identifier))) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (identifier)))))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (return_statement (identifier))))) (return_statement (unary_expression operand: (decimal_integer_literal))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p116 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p116 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static long countWays ( int length , int m ) {
long [ ] ways = new long [ length + 1 ] ;
ways [ 0 ] = 1 ;
for ( int n = 1 ;
n <= length ;
n ++ ) {
ways [ n ] += ways [ n - 1 ] ;
if ( n >= m ) ways [ n ] += ways [ n - m ] ;
}
return ways [ length ] - 1 ;
}
| private static long countWays ( int length , int m ) { long [ ] ways = new long [ length + 1 ] ; ways [ 0 ] = 1 ; for ( int n = 1 ; n <= length ; n ++ ) { ways [ n ] += ways [ n - 1 ] ; if ( n >= m ) ways [ n ] += ways [ n - m ] ; } return ways [ length ] - 1 ; } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (identifier)))))))) (return_statement (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p100 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p100 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p222 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p222 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
public static void main ( String [ ] args ) {
System . out . println ( new p074 ( ) . run ( ) ) ;
}
| public static void main ( String [ ] args ) { System . out . println ( new p074 ( ) . run ( ) ) ; } | (method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (object_creation_expression type: (type_identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list))))))) |
private static int getChainLength ( int n ) {
Set < Integer > seen = new HashSet < > ( ) ;
while ( true ) {
if ( ! seen . add ( n ) ) return seen . size ( ) ;
n = factorialize ( n ) ;
}
}
| private static int getChainLength ( int n ) { Set < Integer > seen = new HashSet < > ( ) ; while ( true ) { if ( ! seen . add ( n ) ) return seen . size ( ) ; n = factorialize ( n ) ; } } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (while_statement condition: (parenthesized_expression (true)) body: (block (if_statement condition: (parenthesized_expression (unary_expression operand: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) consequence: (return_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier))))))))) |
private static int factorialize ( int n ) {
int sum = 0 ;
for ( ;
n != 0 ;
n /= 10 ) sum += FACTORIAL [ n % 10 ] ;
return sum ;
}
| private static int factorialize ( int n ) { int sum = 0 ; for ( ; n != 0 ; n /= 10 ) sum += FACTORIAL [ n % 10 ] ; return sum ; } | (method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (assignment_expression left: (identifier) right: (decimal_integer_literal)) body: (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (return_statement (identifier)))) |