criyle/codenet-compile-errors huggingface dataset:
Language: C

#include <stdio.h>

int main (void)


{


 int a,b;
 scanf("%d %d",a,b);

 
 printf("%d %d\n",a*b,2a+2b);


 return 0;


}

Compiler output:
main.c: In function 'main':
main.c:13:23: error: invalid suffix "a" on integer constant
   13 |  printf("%d %d\n",a*b,2a+2b);
      |                       ^~
main.c:13:26: error: invalid suffix "b" on integer constant
   13 |  printf("%d %d\n",a*b,2a+2b);
      |                          ^~
Language: C

#include<stdio.h>

int main(void){

int a,b;

int men,shu;

printf("a,b???????????\?????????????????????\n");

scanf("%d %d",&a, &b);

men=a*b;

shu=2*(a+B);

printf("??¢??????%d??§???\n",men);

printf("??±????????????%d??§???\n",shu);

return 0;

}




}

Compiler output:
main.c: In function 'main':
main.c:15:10: error: 'B' undeclared (first use in this function)
   15 | shu=2*(a+B);
      |          ^
main.c:15:10: note: each undeclared identifier is reported only once for each function it appears in
main.c: At top level:
main.c:28:1: error: expected identifier or '(' before '}' token
   28 | }
      | ^
Language: C

#include <stdio.h>

int main (void)


{


 int a,b;

 scanf("%d %d",a,b);

 
 printf("%d %d\n",a*b,2a+2b);


 return 0;


}

Compiler output:
main.c: In function 'main':
main.c:14:23: error: invalid suffix "a" on integer constant
   14 |  printf("%d %d\n",a*b,2a+2b);
      |                       ^~
main.c:14:26: error: invalid suffix "b" on integer constant
   14 |  printf("%d %d\n",a*b,2a+2b);
      |                          ^~
Language: C

#include <stdio.h>

int main(void)


{


    int a b;
    scanf("%d,%d",&a,&a);
    printf("%d %d",a*b,2*a+2*b);
    return 0;


}

Compiler output:
main.c: In function 'main':
main.c:9:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'b'
    9 |     int a b;
      |           ^
main.c:9:11: error: 'b' undeclared (first use in this function)
main.c:9:11: note: each undeclared identifier is reported only once for each function it appears in
main.c:10:20: error: 'a' undeclared (first use in this function)
   10 |     scanf("%d,%d",&a,&a);
      |                    ^
Language: C

#include<stdio.h>

int main(void)

{

int a,b;

scanf("%d,%d",a,b);


printf("%d,%d",a*b,2*a+2*b);


retutn 0;


}

Compiler output:
main.c: In function 'main':
main.c:15:1: error: 'retutn' undeclared (first use in this function)
   15 | retutn 0;
      | ^~~~~~
main.c:15:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:15:7: error: expected ';' before numeric constant
   15 | retutn 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>

int main(void)

{

int a,b;

scanf("%d , %d",a,b);


printf("%d , %d",a*b,2*a+2*b);


retutn 0;


}

Compiler output:
main.c: In function 'main':
main.c:15:1: error: 'retutn' undeclared (first use in this function)
   15 | retutn 0;
      | ^~~~~~
main.c:15:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:15:7: error: expected ';' before numeric constant
   15 | retutn 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>

int main(void)

{

int a,b;

scanf("%d , %d",&a,&b);


printf("%d , %d",a*b,2*a+2*b);


retutn 0;


}

Compiler output:
main.c: In function 'main':
main.c:15:1: error: 'retutn' undeclared (first use in this function)
   15 | retutn 0;
      | ^~~~~~
main.c:15:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:15:7: error: expected ';' before numeric constant
   15 | retutn 0;
      |       ^~
      |       ;
Language: C

#include <stdio.h>
int main(void)
{
	int a,b;
	scanf("%d",&a,&b);
	ms=a*b;
	sh=(2*a)+(b*2);
	printf("%d %d\n",ms,sh);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:9: error: 'ms' undeclared (first use in this function)
    6 |         ms=a*b;
      |         ^~
main.c:6:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:7:9: error: 'sh' undeclared (first use in this function)
    7 |         sh=(2*a)+(b*2);
      |         ^~
Language: C

#include<stdio.h>

int main(void)


{


 int a,b;


 scanf("%d,%d",&a,&b);


 printf("%d\n",a*b);


 printf("%d\n",2*a*2*b);


 return o


}

Compiler output:
main.c: In function 'main':
main.c:21:9: error: 'o' undeclared (first use in this function)
   21 |  return o
      |         ^
main.c:21:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:21:10: error: expected ';' before '}' token
   21 |  return o
      |          ^
      |          ;
......
   24 | }
      | ~
Language: C

#include<stdio.h>

int main(void)

{

int a,b;

scanf("%d",&a);


scanf("%d",&b);


printf("%d , %d",a*b,2*a+2*b);


retutn 0;


}

Compiler output:
main.c: In function 'main':
main.c:18:1: error: 'retutn' undeclared (first use in this function)
   18 | retutn 0;
      | ^~~~~~
main.c:18:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:18:7: error: expected ';' before numeric constant
   18 | retutn 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>

int main(void)

{

int a,b;

scanf("%d",&a);


scanf("%d",&b);


printf("%d",a*b);


printf("%d",2*a+2*b);


retutn 0;


}

Compiler output:
main.c: In function 'main':
main.c:21:1: error: 'retutn' undeclared (first use in this function)
   21 | retutn 0;
      | ^~~~~~
main.c:21:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:21:7: error: expected ';' before numeric constant
   21 | retutn 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>

int main(void)

{


int a,b;

scanf("a b",&a &b);

printf("%d %d\n",a*b 2*a+2*b);

return 0;


}

Compiler output:
main.c: In function 'main':
main.c:10:16: error: invalid operands to binary & (have 'int *' and 'int')
   10 | scanf("a b",&a &b);
      |             ~~ ^
      |             |
      |             int *
main.c:12:21: error: expected ')' before numeric constant
   12 | printf("%d %d\n",a*b 2*a+2*b);
      |       ~             ^~
      |                     )
Language: C

#include<stdio.h>

int main(void)


{


 int a,b;


 scanf("%d"&a);


 scanf("%d",&b);


 printf("%d\n",a*b);


 printf("%d\n",2*a*2*b);


 return 0;

}

Compiler output:
main.c: In function 'main':
main.c:12:12: error: invalid operands to binary & (have 'char *' and 'int')
   12 |  scanf("%d"&a);
      |        ~~~~^
      |        |
      |        char *
Language: C

#include<stdio.h>

int main(void)

{

int a,b;

scanf("%d",&a);


scanf("%d",&b);


printf("%d,%d\n",a*b,2*a+2*b);


retutn 0;


}

Compiler output:
main.c: In function 'main':
main.c:18:1: error: 'retutn' undeclared (first use in this function)
   18 | retutn 0;
      | ^~~~~~
main.c:18:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:18:7: error: expected ';' before numeric constant
   18 | retutn 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>

int main(void)

{

int a,b;

scanf("%d\n",&a);


scanf("%d\n",&b);


printf("%d,%d\n",a*b,2*a+2*b);


retutn 0;


}

Compiler output:
main.c: In function 'main':
main.c:18:1: error: 'retutn' undeclared (first use in this function)
   18 | retutn 0;
      | ^~~~~~
main.c:18:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:18:7: error: expected ';' before numeric constant
   18 | retutn 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>

int main(void)

{


int a,b;

scanf("%d %d",&a &b);

printf("%d %d\n",a*b, 2*a+2*b);

return 0;


}

Compiler output:
main.c: In function 'main':
main.c:10:18: error: invalid operands to binary & (have 'int *' and 'int')
   10 | scanf("%d %d",&a &b);
      |               ~~ ^
      |               |
      |               int *
Language: C

#include<stdio.h>

int main(void)

{

int a,b;

scanf("%d",&a);


scanf("%d",&b);


printf("%d ,%d\n",a*b,2*a+2*b);


retutn 0;


}

Compiler output:
main.c: In function 'main':
main.c:18:1: error: 'retutn' undeclared (first use in this function)
   18 | retutn 0;
      | ^~~~~~
main.c:18:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:18:7: error: expected ';' before numeric constant
   18 | retutn 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>

int main(void)

{

int a,b;

scanf("%d",&a);


scanf("%d",&b);


printf("%d %d\n",a*b,2*a+2*b);


retutn 0;


}

Compiler output:
main.c: In function 'main':
main.c:18:1: error: 'retutn' undeclared (first use in this function)
   18 | retutn 0;
      | ^~~~~~
main.c:18:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:18:7: error: expected ';' before numeric constant
   18 | retutn 0;
      |       ^~
      |       ;
Language: C

#include<stdio.h>

int main(void)


{


 int a,b;


 scanf("%d"&a);


 scanf("%d",&b);


 printf("%d\n",a*b);


 printf("%d\n",2*a+2*b);


 return 0;

}

Compiler output:
main.c: In function 'main':
main.c:12:12: error: invalid operands to binary & (have 'char *' and 'int')
   12 |  scanf("%d"&a);
      |        ~~~~^
      |        |
      |        char *
Language: C

#include<stdio.h>

int main(void)


{


 int a,b;


 scanf("%d"&a);


 scanf("%d",&b);


 printf("%d\n",a*b);


 printf("%d\n",2*a+2*b);


 return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:12: error: invalid operands to binary & (have 'char *' and 'int')
   12 |  scanf("%d"&a);
      |        ~~~~^
      |        |
      |        char *
Language: C

#include <stdio.h>

int main(void){


int a,b;
a=0
b=0
scanf("%d",&a);


scanf("%d",&b);


printf("%d %d",a*b,2*a+2*b);return 0;}

Compiler output:
main.c: In function 'main':
main.c:7:4: error: expected ';' before 'b'
    7 | a=0
      |    ^
      |    ;
    8 | b=0
      | ~
Language: C

#include<stdio.h>

int main(void)


{


 int a,b;


 scanf("%d"&a);


 scanf("%d",&b);


 printf("%d,%d\n",a*b,2*a+2*b );


 return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:12: error: invalid operands to binary & (have 'char *' and 'int')
   12 |  scanf("%d"&a);
      |        ~~~~^
      |        |
      |        char *
Language: C

#include <stdio.h>

int main(void){


int a,b;
a=0
b=0
scanf("%d",&a);


scanf("%d",&b);


printf("%d %d\n",a*b,2*a+2*b);return 0;}

Compiler output:
main.c: In function 'main':
main.c:7:4: error: expected ';' before 'b'
    7 | a=0
      |    ^
      |    ;
    8 | b=0
      | ~
Language: C

#include<stdio.h>

int main(void)


{


 int a,b;


 scanf("%d"&a);


 scanf("%d",&b);


 printf("%d,%d\n",a*b 2*a+2*b );


 return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:12: error: invalid operands to binary & (have 'char *' and 'int')
   12 |  scanf("%d"&a);
      |        ~~~~^
      |        |
      |        char *
main.c:18:22: error: expected ')' before numeric constant
   18 |  printf("%d,%d\n",a*b 2*a+2*b );
      |        ~             ^~
      |                      )
Language: C

#include<studio.h>

int main(void)


{


int a,b,c,d;


c=0,d=0;


scanf("%d ,%d",&a,&b);


c=a*b;


d=2*a+2*b;


printf("%d %d",c,d);


return0;


}

Compiler output:
main.c:1:9: fatal error: studio.h: No such file or directory
    1 | #include<studio.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>

int main(void)


{


 int a,b;


 scanf("%d"&a);


 scanf("%d",&b);


 printf("%d %d\n",a*b,2*a+2*b );


 return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:12: error: invalid operands to binary & (have 'char *' and 'int')
   12 |  scanf("%d"&a);
      |        ~~~~^
      |        |
      |        char *
Language: C

#include<studio.h>

int main(void)


{


int a,b,c,d;


c=0,d=0;


scanf("%d ,%d",&a,&b);


c=a*b;


d=2*a+2*b;


printf("%d %d",c,d);


return 0;


}

Compiler output:
main.c:1:9: fatal error: studio.h: No such file or directory
    1 | #include<studio.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include <stdio.h>

int main (void)


{


int a,b,menseki,syu;


scanf("%d"&a);


scanf("%d"&d);


menseki=a*b;


syu=2*a+2*b;


printf("%d%d",menseki,syu);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:11: error: invalid operands to binary & (have 'char *' and 'int')
   12 | scanf("%d"&a);
      |       ~~~~^
      |       |
      |       char *
main.c:15:12: error: 'd' undeclared (first use in this function)
   15 | scanf("%d"&d);
      |            ^
main.c:15:12: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(void){
    int a,b,c.d;
    c=0;
    d=0;

    scanf("%d" &a);
    scanf("%d" &b);
    
    c=2*a+2*b;
    b=a*b;

    printf("%d\n %d\n",c,d);
    return 0;
    }

Compiler output:
main.c: In function 'main':
main.c:3:14: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
    3 |     int a,b,c.d;
      |              ^
main.c:4:5: error: 'c' undeclared (first use in this function)
    4 |     c=0;
      |     ^
main.c:4:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:5: error: 'd' undeclared (first use in this function)
    5 |     d=0;
      |     ^
main.c:7:16: error: invalid operands to binary & (have 'char *' and 'int')
    7 |     scanf("%d" &a);
      |           ~~~~ ^
      |           |
      |           char *
main.c:8:16: error: invalid operands to binary & (have 'char *' and 'int')
    8 |     scanf("%d" &b);
      |           ~~~~ ^
      |           |
      |           char *
Language: C

#include <stdio.h>

int main (void)


{


  int a,b;

  a=0;

  b=0;
 
  scanf("%d %d,&a,&b);

  printf("%d\n%d\n,a*b,2*a+2*b");

  return 0;

}

Compiler output:
main.c: In function 'main':
main.c:15:9: warning: missing terminating " character
   15 |   scanf("%d %d,&a,&b);
      |         ^
main.c:15:9: error: missing terminating " character
   15 |   scanf("%d %d,&a,&b);
      |         ^~~~~~~~~~~~~~
main.c:17:33: error: expected ')' before ';' token
   17 |   printf("%d\n%d\n,a*b,2*a+2*b");
      |                                 ^
      |                                 )
main.c:15:8: note: to match this '('
   15 |   scanf("%d %d,&a,&b);
      |        ^
main.c:17:3: error: passing argument 1 of 'scanf' makes pointer from integer without a cast [-Wint-conversion]
   17 |   printf("%d\n%d\n,a*b,2*a+2*b");
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |   |
      |   int
In file included from main.c:1:
/usr/include/stdio.h:428:42: note: expected 'const char *' but argument is of type 'int'
  428 | extern int scanf (const char *__restrict __format, ...) __wur;
      |                   ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
main.c:19:12: error: expected ';' before '}' token
   19 |   return 0;
      |            ^
      |            ;
   20 | 
   21 | }
      | ~
Language: C

#include <stdio.h>

int main (void)


{


int a,b,menseki,syu;


scanf("%d"&a);


scanf("%d"&d);


menseki=a*b;


syu=2*a+2*b;


printf("%d%d\n",menseki,syu);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:11: error: invalid operands to binary & (have 'char *' and 'int')
   12 | scanf("%d"&a);
      |       ~~~~^
      |       |
      |       char *
main.c:15:12: error: 'd' undeclared (first use in this function)
   15 | scanf("%d"&d);
      |            ^
main.c:15:12: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<studio.h>

int main(void)


{


int a,b,c,d;


c=0,d=0;


scanf("%d",&a);


scanf("%d",&b);


c=a*b;


d=2*a+2*b;


printf("%d %d",c,d);


return 0;


}

Compiler output:
main.c:1:9: fatal error: studio.h: No such file or directory
    1 | #include<studio.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>
int main(void){
    int a,b,c.d;
    c=0;
    d=0;

    scanf("%d" &a);
    scanf("%d" &b);
    
    c=2*a+2*b;
    d=a*b;

    printf("%d\n %d\n",c,d);
    return 0;
    }

Compiler output:
main.c: In function 'main':
main.c:3:14: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
    3 |     int a,b,c.d;
      |              ^
main.c:4:5: error: 'c' undeclared (first use in this function)
    4 |     c=0;
      |     ^
main.c:4:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:5: error: 'd' undeclared (first use in this function)
    5 |     d=0;
      |     ^
main.c:7:16: error: invalid operands to binary & (have 'char *' and 'int')
    7 |     scanf("%d" &a);
      |           ~~~~ ^
      |           |
      |           char *
main.c:8:16: error: invalid operands to binary & (have 'char *' and 'int')
    8 |     scanf("%d" &b);
      |           ~~~~ ^
      |           |
      |           char *
Language: C

#include <stdio.h>

int main (void)


{


int a,b,menseki,syu;


scanf("%d"&a);


scanf("%d"&b);


menseki=a*b;


syu=2*a+2*b;


printf("%d%d\n",menseki,syu);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:11: error: invalid operands to binary & (have 'char *' and 'int')
   12 | scanf("%d"&a);
      |       ~~~~^
      |       |
      |       char *
main.c:15:11: error: invalid operands to binary & (have 'char *' and 'int')
   15 | scanf("%d"&b);
      |       ~~~~^
      |       |
      |       char *
Language: C

#include<studio.h>

int main(void)


{


int a,b,;


scanf("%d",&a);


scanf("%d",&b);


printf("%d %d\n",a*b,2*a+"*b);


return 0;


}

Compiler output:
main.c:1:9: fatal error: studio.h: No such file or directory
    1 | #include<studio.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include <stdio.h>

int main(void)


{


    int a, b, x, y ;


    scanf("%d", &a);


    scanf("%d", &b);


    x=a*b ;


    y=a+b *2 ;


    printof("%d %d\n",x,y);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:24:5: error: implicit declaration of function 'printof'; did you mean 'printf'? [-Wimplicit-function-declaration]
   24 |     printof("%d %d\n",x,y);
      |     ^~~~~~~
      |     printf
Language: C

#include<stdio.h>
int main(void){
    int a,b,c.d;
    c=0;
    d=0;

    scanf("%d" &a);
    scanf("%d" &b);
    
    c=2*a+2*b;
    d=a*b;

    printf("%d %d",c,d);
    return 0;
    }

Compiler output:
main.c: In function 'main':
main.c:3:14: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
    3 |     int a,b,c.d;
      |              ^
main.c:4:5: error: 'c' undeclared (first use in this function)
    4 |     c=0;
      |     ^
main.c:4:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:5: error: 'd' undeclared (first use in this function)
    5 |     d=0;
      |     ^
main.c:7:16: error: invalid operands to binary & (have 'char *' and 'int')
    7 |     scanf("%d" &a);
      |           ~~~~ ^
      |           |
      |           char *
main.c:8:16: error: invalid operands to binary & (have 'char *' and 'int')
    8 |     scanf("%d" &b);
      |           ~~~~ ^
      |           |
      |           char *
Language: C

#include<studio.h>

int main(void)


{


int a,b,;


scanf("%d",&a);


scanf("%d",&b);


printf("%d %d\n",a*b,2*a+2*b);


return 0;


}

Compiler output:
main.c:1:9: fatal error: studio.h: No such file or directory
    1 | #include<studio.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include <stdio.h>

int main (void)


{


int a,b,menseki,syu;


scanf("%d"&a);


scanf("%d"&b);


menseki=a*b;


syu=2*a+2*b;


printf("%d %d\n",menseki,syu);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:11: error: invalid operands to binary & (have 'char *' and 'int')
   12 | scanf("%d"&a);
      |       ~~~~^
      |       |
      |       char *
main.c:15:11: error: invalid operands to binary & (have 'char *' and 'int')
   15 | scanf("%d"&b);
      |       ~~~~^
      |       |
      |       char *
Language: C

#include <stdio.h>

int main(void)


{


    int a, b, x, y ;


    scanf("%d", &a);


    scanf("%d", &b);


    x=a*b ;


    y=a+b *2 ;


    printof("%d %d\n", x, y);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:24:5: error: implicit declaration of function 'printof'; did you mean 'printf'? [-Wimplicit-function-declaration]
   24 |     printof("%d %d\n", x, y);
      |     ^~~~~~~
      |     printf
Language: C

#include <stdio.h>

int main(void)


{


    int a, b, x, y ;


    scanf("%d", &a);


    scanf("%d", &b);


    x=a*b ;


    y=a+b*2 ;


    printof("%d %d\n", x, y);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:24:5: error: implicit declaration of function 'printof'; did you mean 'printf'? [-Wimplicit-function-declaration]
   24 |     printof("%d %d\n", x, y);
      |     ^~~~~~~
      |     printf
Language: C

#include<stdio.h>

int main(void)


{


int a,b,;


scanf("%d",&a);


scanf("%d",&b);


printf("%d %d\n",a*b,2*a+2*b);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:9:9: error: expected identifier or '(' before ';' token
    9 | int a,b,;
      |         ^
Language: C

#include<stdio.h>

int main(void)

{

     int a,b;

    printf("????????¢????????????????????\???>>\n");


    scanf("%d",&a);


    printf("????????¢????¨???????????????\???>>\n");


    scanf("%d",&b);

    printf("??¢??????%d?????¨????????????%d",a*b,2*a+2*b);


    returnf 0;


}

Compiler output:
main.c: In function 'main':
main.c:9:44: warning: trigraph ??> ignored, use -trigraphs to enable [-Wtrigraphs]
    9 |     printf("????????¢????????????????????\???>>\n");
main.c:15:44: warning: trigraph ??> ignored, use -trigraphs to enable [-Wtrigraphs]
   15 |     printf("????????¢????¨???????????????\???>>\n");
main.c:23:5: error: 'returnf' undeclared (first use in this function)
   23 |     returnf 0;
      |     ^~~~~~~
main.c:23:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:23:12: error: expected ';' before numeric constant
   23 |     returnf 0;
      |            ^~
      |            ;
Language: C

#include <stdio.h>

int main (void)


{


int a,b,menseki,syu;


scanf("%d"&a);


scanf("%d"&b);


menseki=a*b;


syu=2*(a+b);


printf("%d %d\n",menseki,syu);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:11: error: invalid operands to binary & (have 'char *' and 'int')
   12 | scanf("%d"&a);
      |       ~~~~^
      |       |
      |       char *
main.c:15:11: error: invalid operands to binary & (have 'char *' and 'int')
   15 | scanf("%d"&b);
      |       ~~~~^
      |       |
      |       char *
Language: C

#include<stdio.h>

int main(void)

{

    int a,b;

    printf("????????¢????????????????????\???>>\n");

    scanf("%d",&a);

    printf("????????¢????¨???????????????\???>>\n");

    scanf("%d",&b);

    printf("??¢??????%d?????¨????????????%d",a*b,2*a+2*b);

    returnf 0;


}

Compiler output:
main.c: In function 'main':
main.c:9:44: warning: trigraph ??> ignored, use -trigraphs to enable [-Wtrigraphs]
    9 |     printf("????????¢????????????????????\???>>\n");
main.c:13:44: warning: trigraph ??> ignored, use -trigraphs to enable [-Wtrigraphs]
   13 |     printf("????????¢????¨???????????????\???>>\n");
main.c:19:5: error: 'returnf' undeclared (first use in this function)
   19 |     returnf 0;
      |     ^~~~~~~
main.c:19:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:19:12: error: expected ';' before numeric constant
   19 |     returnf 0;
      |            ^~
      |            ;
Language: C

#include <stdio.h>

int main(void)


{


    int a, b, x, y ;


    scanf("%d", &a,&b);


    x=a*b ;


    y=a+b*2 ;


    printof("%d %d\n", x, y);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:21:5: error: implicit declaration of function 'printof'; did you mean 'printf'? [-Wimplicit-function-declaration]
   21 |     printof("%d %d\n", x, y);
      |     ^~~~~~~
      |     printf
Language: C

#include <stdio.h>

int main(void)


{


    int a, b, x, y ;


    scanf("%d", &a,&b);


    x=a*b ;


    y=(a+b)*2 ;


    printof("%d %d\n", x, y);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:21:5: error: implicit declaration of function 'printof'; did you mean 'printf'? [-Wimplicit-function-declaration]
   21 |     printof("%d %d\n", x, y);
      |     ^~~~~~~
      |     printf
Language: C

#include <stdio.h>

int main (void)

{

int a,b;

scanf("%d,%d",&a,&b);

??¢???=a*b;


??¨?????????=2*(a+b);


printf("%d,%d",??¢????????¨?????????);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:11:1: error: expected expression before '?' token
   11 | ??¢???=a*b;
      | ^
main.c:11:3: error: stray '\302' in program
   11 | ??<U+00A2>???=a*b;
      |   ^~~~~~~~
main.c:11:5: warning: trigraph ??= ignored, use -trigraphs to enable [-Wtrigraphs]
   11 | ??¢???=a*b;
main.c:14:1: error: expected expression before '?' token
   14 | ??¨?????????=2*(a+b);
      | ^
main.c:14:3: error: '\U000000a8' undeclared (first use in this function)
   14 | ??¨?????????=2*(a+b);
      |   ^
main.c:14:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:14:11: warning: trigraph ??= ignored, use -trigraphs to enable [-Wtrigraphs]
   14 | ??¨?????????=2*(a+b);
main.c:17:16: error: expected expression before '?' token
   17 | printf("%d,%d",??¢????????¨?????????);
      |                ^
main.c:17:18: error: stray '\302' in program
   17 | printf("%d,%d",??<U+00A2>????????<U+00A8>?????????);
      |                  ^~~~~~~~
main.c:17:35: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
   17 | printf("%d,%d",??¢????????¨?????????);
Language: C

#include <stdio.h>

int main(void)


{


    int a, b, x, y ;


    scanf("%d_%d", &a,&b);


    x=a*b ;


    y=(a+b)*2 ;


    printof("%d %d\n", x, y);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:21:5: error: implicit declaration of function 'printof'; did you mean 'printf'? [-Wimplicit-function-declaration]
   21 |     printof("%d %d\n", x, y);
      |     ^~~~~~~
      |     printf
Language: C

#include <stdio.h>

int main(void)

{

    int a, b, x, y ;

    scanf("%d", &a);


    x = a*b ;

    scanf("%d", &b);


    y = (a+b)*2 ;

    printof("%d %d\n", x, y);

return 0;

}

Compiler output:
main.c: In function 'main':
main.c:19:5: error: implicit declaration of function 'printof'; did you mean 'printf'? [-Wimplicit-function-declaration]
   19 |     printof("%d %d\n", x, y);
      |     ^~~~~~~
      |     printf
Language: C

#include <stdio.h>

int main(void)

{

    int a, b, x, y ;

    scanf("%d", &a);


    scanf("%d", &b);


    x = a*b ;


    y = (a+b)*2 ;

    printof("%d %d\n", x, y);

return 0;

}

Compiler output:
main.c: In function 'main':
main.c:20:5: error: implicit declaration of function 'printof'; did you mean 'printf'? [-Wimplicit-function-declaration]
   20 |     printof("%d %d\n", x, y);
      |     ^~~~~~~
      |     printf
Language: C

#include <stdio.h>

int main(void)
{
    int a, b;
    scanf("%d", &a);

    scanf("%d", &b);

    printf("%d", a*b);
    
    printf("%d", 2a+2b);

    return 0;
}


    

Compiler output:
main.c: In function 'main':
main.c:12:18: error: invalid suffix "a" on integer constant
   12 |     printf("%d", 2a+2b);
      |                  ^~
main.c:12:21: error: invalid suffix "b" on integer constant
   12 |     printf("%d", 2a+2b);
      |                     ^~
Language: C

#include <stdio.h>

int main(void){


     int a,b,x,y;


     scanf("%d %d",&a,&b);
     
     x=a*b;

     y=2(a+b);

     printf("%d %d",x,y);

     return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:8: error: called object is not a function or function pointer
   13 |      y=2(a+b);
      |        ^
Language: C

#include <stdio.h>

int main(void)
{
    int a, b;
    scanf("%d", &a);

    scanf("%d", &b);

    printf("%d", a*b 2a+2b);
    
    return 0;
}


    

Compiler output:
main.c: In function 'main':
main.c:10:22: error: invalid suffix "a" on integer constant
   10 |     printf("%d", a*b 2a+2b);
      |                      ^~
main.c:10:21: error: expected ')' before numeric constant
   10 |     printf("%d", a*b 2a+2b);
      |           ~         ^~~
      |                     )
main.c:10:25: error: invalid suffix "b" on integer constant
   10 |     printf("%d", a*b 2a+2b);
      |                         ^~
Language: C

#include <stdio.h>

int main (void)

{

int a, b;

scanf("%d,%d",&a,&b);

??¢???=a*b;


??¨?????????=2*(a+b);


printf("%d, %d",??¢?????? ??¨?????????);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:11:1: error: expected expression before '?' token
   11 | ??¢???=a*b;
      | ^
main.c:11:3: error: stray '\302' in program
   11 | ??<U+00A2>???=a*b;
      |   ^~~~~~~~
main.c:11:5: warning: trigraph ??= ignored, use -trigraphs to enable [-Wtrigraphs]
   11 | ??¢???=a*b;
main.c:14:1: error: expected expression before '?' token
   14 | ??¨?????????=2*(a+b);
      | ^
main.c:14:3: error: '\U000000a8' undeclared (first use in this function)
   14 | ??¨?????????=2*(a+b);
      |   ^
main.c:14:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:14:11: warning: trigraph ??= ignored, use -trigraphs to enable [-Wtrigraphs]
   14 | ??¨?????????=2*(a+b);
main.c:17:17: error: expected expression before '?' token
   17 | printf("%d, %d",??¢?????? ??¨?????????);
      |                 ^
main.c:17:19: error: stray '\302' in program
   17 | printf("%d, %d",??<U+00A2>?????? ??<U+00A8>?????????);
      |                   ^~~~~~~~
main.c:17:37: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
   17 | printf("%d, %d",??¢?????? ??¨?????????);
Language: C

#include<stdio.h>

int main(void)


{


int a,b,c,d;


scanf("%d\n",a);


scanf("%d\n",b);


c=a*b;


d=a*2+b*2;


printf("%d %d",c,d9;


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:24:18: error: 'd9' undeclared (first use in this function); did you mean 'd'?
   24 | printf("%d %d",c,d9;
      |                  ^~
      |                  d
main.c:24:18: note: each undeclared identifier is reported only once for each function it appears in
main.c:24:20: error: expected ')' before ';' token
   24 | printf("%d %d",c,d9;
      |       ~            ^
      |                    )
main.c:27:10: error: expected ';' before '}' token
   27 | return 0;
      |          ^
      |          ;
......
   30 | }
      | ~
Language: C

#include <stdio.h>

int main(void)
{
    int a, b;
    scanf("%d", &a);

    scanf("%d", &b);

    printf("%d %d", a*b 2*a+2*b);
    
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:24: error: expected ')' before numeric constant
   10 |     printf("%d %d", a*b 2*a+2*b);
      |           ~            ^~
      |                        )
Language: C

#include <stdio.h>

int main(void){


     int a,b,c,d;


     scanf("%d",&a);


     scanf("%d",%b);


     c=a*b;


     d=2(a+b);


     printf("%d %d",c,d);


     return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:17: error: expected expression before '%' token
   12 |      scanf("%d",%b);
      |                 ^
main.c:18:8: error: called object is not a function or function pointer
   18 |      d=2(a+b);
      |        ^
Language: C

#include <stdio.h>

int main (void)


{


int a,b,menseki,syu;


scanf("%d"&a);


scanf("%d"&b);


menseki=a*b;


syu=2*(a+b);


printf("%d %d\n",menseki syu);


return 0;


}

Compiler output:
main.c: In function 'main':
main.c:12:11: error: invalid operands to binary & (have 'char *' and 'int')
   12 | scanf("%d"&a);
      |       ~~~~^
      |       |
      |       char *
main.c:15:11: error: invalid operands to binary & (have 'char *' and 'int')
   15 | scanf("%d"&b);
      |       ~~~~^
      |       |
      |       char *
main.c:24:25: error: expected ')' before 'syu'
   24 | printf("%d %d\n",menseki syu);
      |       ~                 ^~~~
      |                         )
Language: C

#include <stdio.h>

int main(void){

     int a,b,x,y;

     scanf("%d",&a);

     scanf("%d",%b);

     x=a*b;

     y=2(a+b);

     printf("%d %d",c,d);

     return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:17: error: expected expression before '%' token
    9 |      scanf("%d",%b);
      |                 ^
main.c:13:8: error: called object is not a function or function pointer
   13 |      y=2(a+b);
      |        ^
main.c:15:21: error: 'c' undeclared (first use in this function)
   15 |      printf("%d %d",c,d);
      |                     ^
main.c:15:21: note: each undeclared identifier is reported only once for each function it appears in
main.c:15:23: error: 'd' undeclared (first use in this function)
   15 |      printf("%d %d",c,d);
      |                       ^
Language: C

#include <stdio.h>

int main(void){

     int a,b,x,y;

     scanf("%d",&a);

     scanf("%d",%b);

     x=a*b;

     y=2*(a+b);

     printf("%d %d",c,d);

     return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:17: error: expected expression before '%' token
    9 |      scanf("%d",%b);
      |                 ^
main.c:15:21: error: 'c' undeclared (first use in this function)
   15 |      printf("%d %d",c,d);
      |                     ^
main.c:15:21: note: each undeclared identifier is reported only once for each function it appears in
main.c:15:23: error: 'd' undeclared (first use in this function)
   15 |      printf("%d %d",c,d);
      |                       ^
Language: C

#include <stdio.h>
int main(void)
{
int a, b, menseki, syu;
 
scanf("%d", &a);

scanf("%d", &b);

 menseki=b*a;
 
 syu=2*a+2*b;

printf("%d %d\n", mensaki, syu);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:19: error: 'mensaki' undeclared (first use in this function); did you mean 'menseki'?
   14 | printf("%d %d\n", mensaki, syu);
      |                   ^~~~~~~
      |                   menseki
main.c:14:19: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
int main(void)
{
int a, b, menseki, syu;
 
scanf("%d", &a);

scanf("%d", &b);

 menseki=a*b;
 
 syu=2*a+2*b;

printf("%d %d\n", mensaki, syu);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:19: error: 'mensaki' undeclared (first use in this function); did you mean 'menseki'?
   14 | printf("%d %d\n", mensaki, syu);
      |                   ^~~~~~~
      |                   menseki
main.c:14:19: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(void)
{
int a,b;
scanf("%d",&a)
acanf("%d",&b)
printf("%d %d\n",a*b,2*a+2*b);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:15: error: expected ';' before 'acanf'
    5 | scanf("%d",&a)
      |               ^
      |               ;
    6 | acanf("%d",&b)
      | ~~~~~
Language: C

#include<stdio.h>
int main(void)
{
int a,b;
scanf("%d",&a)
scanf("%d",&b)
printf("%d %d\n",a*b,2*a+2*b);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:15: error: expected ';' before 'scanf'
    5 | scanf("%d",&a)
      |               ^
      |               ;
    6 | scanf("%d",&b)
      | ~~~~~
Language: C

#include<stdio.h>
 
int main(void)
[
   double tate,yoko;
   scanf("%f %f",&tate,&yoko);
   printf("%9f %9f\n",tate*yoko,tate*2+yoko*2);
   return 0;
]

Compiler output:
main.c:5:4: error: expected expression before 'double'
    5 |    double tate,yoko;
      |    ^~~~~~
Language: C

#include<stdio.h>
 
int main(void)
[
   double tate,yoko;
   scanf("%lf %lf",&tate,&yoko);
   printf("%9f %9f\n",tate*yoko,tate*2+yoko*2);
   return 0;
]

Compiler output:
main.c:5:4: error: expected expression before 'double'
    5 |    double tate,yoko;
      |    ^~~~~~
Language: C

#include <stdio.h>
int main ()
{

  int a,b,c,d;

  scanf("%d%d",&a,&b);
  
  c = a * b;
  d = 2 * a + 2 * b;
 
    printf("%d %d\n",c,d);
 
  return 0;

Compiler output:
main.c: In function 'main':
main.c:14:3: error: expected declaration or statement at end of input
   14 |   return 0;
      |   ^~~~~~
Language: C

#include <stdio.h>

int main()
{int a;int b;

scanf("%d,%d",&a,&b)

printf("%d",a*b);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:21: error: expected ';' before 'printf'
    6 | scanf("%d,%d",&a,&b)
      |                     ^
      |                     ;
    7 | 
    8 | printf("%d",a*b);
      | ~~~~~~
Language: C

#include<stdio.h>

int main()
{
int a,b;
scanf("%d %d"&a,&b);
printf("%d %d\n",a*b,a*2+b*2);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:14: error: invalid operands to binary & (have 'char *' and 'int')
    6 | scanf("%d %d"&a,&b);
      |       ~~~~~~~^
      |       |
      |       char *
Language: C

#include<stdio.h>

int main()
{
int a;
int b;
scanf("%d %d"&a,&b);
printf("%d %d\n",a*b,a*2+b*2);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:14: error: invalid operands to binary & (have 'char *' and 'int')
    7 | scanf("%d %d"&a,&b);
      |       ~~~~~~~^
      |       |
      |       char *
Language: C

#include<stdio.h>

int main(void)
{

   int a,b;
   scanf("%d,%d"&a,&b);

   printf("%d %d",a*b,2*a+2*b);

   return 0;

}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: invalid operands to binary & (have 'char *' and 'int')
    7 |    scanf("%d,%d"&a,&b);
      |          ~~~~~~~^
      |          |
      |          char *
Language: C

#include<stdio.h>

int main(void) {

   int a,b;    scanf("%d %d"&a,&b);

   printf("%d %d",a*b,2*a+2*b);

   return 0;

}

Compiler output:
main.c: In function 'main':
main.c:5:29: error: invalid operands to binary & (have 'char *' and 'int')
    5 |    int a,b;    scanf("%d %d"&a,&b);
      |                      ~~~~~~~^
      |                      |
      |                      char *
Language: C

#include <stdio.h>

int main(void)
{

   int a,b;
   scanf("%d %d"&a,&b);
   printf("%d %d",a*b,2*a+2*b);
   return 0;

}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: invalid operands to binary & (have 'char *' and 'int')
    7 |    scanf("%d %d"&a,&b);
      |          ~~~~~~~^
      |          |
      |          char *
Language: C

#include <stdio.h>
int main(void)
{
   int a,b;
   scanf("%d %d"&a,&b);
   printf("%d %d\n",a*b,2*a+2*b);
   return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:17: error: invalid operands to binary & (have 'char *' and 'int')
    5 |    scanf("%d %d"&a,&b);
      |          ~~~~~~~^
      |          |
      |          char *
Language: C

#include <stdio.h>

int main(void) {

int a,b;

 scanf("%d %d"&a,&b);

printf("%d %d",a*b,2*a+2*b);

return 0;

}

Compiler output:
main.c: In function 'main':
main.c:7:15: error: invalid operands to binary & (have 'char *' and 'int')
    7 |  scanf("%d %d"&a,&b);
      |        ~~~~~~~^
      |        |
      |        char *
Language: C

#include <stdio.h>

int main(void)
{
  int A,B,C,D;

  scanf("%d" "%d",&A,&B);

  C=A*B;
  D=2*A+2*B;

  printf("%d",C);
  printf("%d"/n,D);
}

Compiler output:
main.c: In function 'main':
main.c:13:15: error: 'n' undeclared (first use in this function)
   13 |   printf("%d"/n,D);
      |               ^
main.c:13:15: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(void)
{
  int A,B,C,D;

  scanf("%d" "%d",&A,&B);

  C=A*B;
  D=2*A+2*B;

  printf("%d",C);
  printf("%d"/n,D);

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:15: error: 'n' undeclared (first use in this function)
   13 |   printf("%d"/n,D);
      |               ^
main.c:13:15: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
   
int main(){
  int x,i,k,j;
  scanf("%d %d", &x,&i);
  k=x*i
    i=2*(x+i)
  printf("%d\n",k,j);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:8: error: expected ';' before 'i'
    6 |   k=x*i
      |        ^
      |        ;
    7 |     i=2*(x+i)
      |     ~
Language: C

#include <stdio.h>

int main()
{
  int a,b,A,B;
 
  scanf("%d",&a);
  scanf("%d",&b);
  a*b=A;
  2*(a+b)=B;
  printf("%d" "%d\n",A,B);

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:6: error: lvalue required as left operand of assignment
    9 |   a*b=A;
      |      ^
main.c:10:10: error: lvalue required as left operand of assignment
   10 |   2*(a+b)=B;
      |          ^
Language: C

#include <stdio.h>
int main()

int  a,b;

 scanf("%d %d",&a,&b);
 printf("%d %d\n",a*b,2*(a+b));
 return 0;

}

Compiler output:
main.c: In function 'main':
main.c:6:2: error: expected declaration specifiers before 'scanf'
    6 |  scanf("%d %d",&a,&b);
      |  ^~~~~
main.c:7:2: error: expected declaration specifiers before 'printf'
    7 |  printf("%d %d\n",a*b,2*(a+b));
      |  ^~~~~~
main.c:8:2: error: expected declaration specifiers before 'return'
    8 |  return 0;
      |  ^~~~~~
main.c:10:1: error: expected declaration specifiers before '}' token
   10 | }
      | ^
main.c:4:8: error: declaration for parameter 'b' but no such parameter
    4 | int  a,b;
      |        ^
main.c:4:6: error: declaration for parameter 'a' but no such parameter
    4 | int  a,b;
      |      ^
main.c:11: error: expected '{' at end of input
Language: C

#include <stdio.h>

int main()
{
  int a,b,A,B;
 
  scanf("%d %d",a,b);
  a*b=A;
  2*(a+b)=B;
  printf("%d %d\n",A,B);

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:6: error: lvalue required as left operand of assignment
    8 |   a*b=A;
      |      ^
main.c:9:10: error: lvalue required as left operand of assignment
    9 |   2*(a+b)=B;
      |          ^
Language: C

include <stdio.h>

int main (void)

{

   int a,b;

   scanf("%d",&a);

   scanf("%d".&b);




   printf("%d\n%d\n",a*b,(2*a)+(2*b));




   return 0;

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
Language: C

include <stdio.h>

int main (void)

{

   int a,b;

   scanf("%d %d",&a,&b);

   




   printf("%d %d",a*b,2*a+2*b);




   return 0;

}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
Language: C

#include<stdio.h>

int main(void)

{

 int a,b;

scanf("%d,%d",&a,&b);

printf("%d %d\n",a*b,2a+2b);

return 0;

Compiler output:
main.c: In function 'main':
main.c:11:22: error: invalid suffix "a" on integer constant
   11 | printf("%d %d\n",a*b,2a+2b);
      |                      ^~
main.c:11:25: error: invalid suffix "b" on integer constant
   11 | printf("%d %d\n",a*b,2a+2b);
      |                         ^~
main.c:13:1: error: expected declaration or statement at end of input
   13 | return 0;
      | ^~~~~~
Language: C

include <stdio.h>

int main (void)

{

   int a,b;

   scanf("%d %d",&a,&b);


   printf("%d???%d",a*b,2*a+2*b);




   return 0;

}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
Language: C

include <stdio.h>

int main (void)

{

   int a,b;
   scanf("%d %d",&a,&b);
   printf("%d???%d",a*b,2*a+2*b);
   
   return 0;

}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
Language: C

#include<stdio.h>

int main (void) {

int a,b,c,d ;

printf("??´??°?????\????????????????????????);


scanf("%d",&a,&b);

c=a*b;


d=2*a+2*b;


printf("????????¢?????¨????????????%d,??¢??????%d",d,c);


return 0 ;


}

Compiler output:
main.c: In function 'main':
main.c:7:8: warning: missing terminating " character
    7 | printf("??´??°?????\????????????????????????);
      |        ^
main.c:7:43: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
    7 | printf("??´??°?????\????????????????????????);
main.c:7:8: error: missing terminating " character
    7 | printf("??´??°?????\????????????????????????);
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
main.c:10:18: error: expected ')' before ';' token
   10 | scanf("%d",&a,&b);
      |                  ^
      |                  )
main.c:7:7: note: to match this '('
    7 | printf("??´??°?????\????????????????????????);
      |       ^
main.c:10:1: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   10 | scanf("%d",&a,&b);
      | ^~~~~~~~~~~~~~~~~
      | |
      | int
In file included from main.c:1:
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'int'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
main.c:21:11: error: expected ';' before '}' token
   21 | return 0 ;
      |           ^
      |           ;
......
   24 | }
      | ~
Language: C

#include <stdio.h>
int main(void)
{
  int a,b;
???scanf("%d %d",&a,%b);
  printf("%d %d",a*b,(2*a)+(2*b));
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:1: error: expected expression before '?' token
    5 | ???scanf("%d %d",&a,%b);
      | ^
main.c:5:24: error: expected ':' before ';' token
    5 | ???scanf("%d %d",&a,%b);
      |                        ^
      |                        :
Language: C

#include <stdio.h>
int main(void)
{
  int a,b;
???scanf("%d %d",&a,%b);
  printf("%d %d",(a*b),(2*a)+(2*b));
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:1: error: expected expression before '?' token
    5 | ???scanf("%d %d",&a,%b);
      | ^
main.c:5:24: error: expected ':' before ';' token
    5 | ???scanf("%d %d",&a,%b);
      |                        ^
      |                        :
Language: C

#include <stdio.h>
int main(void)
{
  int a,b;
scanf("%d %d",&a,%b);
printf("%d %d",(a*b),(2*a)+(2*b));
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:18: error: expected expression before '%' token
    5 | scanf("%d %d",&a,%b);
      |                  ^
Language: C

#include <stdio.h>
int main (void)
{
  int a,b;
scanf("%d %d",&a,%b);
printf("%d %d",(a*b),(2*a)+(2*b));
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:18: error: expected expression before '%' token
    5 | scanf("%d %d",&a,%b);
      |                  ^
Language: C

#include <stdio.h>
int main (void)
{
  int a,b;
scanf("%d %d",&a,%b);
printf("%d%d",(a*b),(2*a)+(2*b));
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:18: error: expected expression before '%' token
    5 | scanf("%d %d",&a,%b);
      |                  ^
Language: C

#include<stdio.h>
int main(void)
{
  int a, b;

  printf("a");
  scanf("%d",&a);

  printf("b");
  scanf("%d",&b);

  printf("%d %d\n",a*b 2a+2b);

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:24: error: invalid suffix "a" on integer constant
   12 |   printf("%d %d\n",a*b 2a+2b);
      |                        ^~
main.c:12:23: error: expected ')' before numeric constant
   12 |   printf("%d %d\n",a*b 2a+2b);
      |         ~             ^~~
      |                       )
main.c:12:27: error: invalid suffix "b" on integer constant
   12 |   printf("%d %d\n",a*b 2a+2b);
      |                           ^~
Language: C


#include<stdio.h>
int main(void)

{
  int a, b;

  printf("a");
  scanf("%d",&a);

  printf("b");
  scanf("%d",&b);

  printf("%d %d\n",a*b 2a+2b);

  return 0;

}

Compiler output:
main.c: In function 'main':
main.c:14:24: error: invalid suffix "a" on integer constant
   14 |   printf("%d %d\n",a*b 2a+2b);
      |                        ^~
main.c:14:23: error: expected ')' before numeric constant
   14 |   printf("%d %d\n",a*b 2a+2b);
      |         ~             ^~~
      |                       )
main.c:14:27: error: invalid suffix "b" on integer constant
   14 |   printf("%d %d\n",a*b 2a+2b);
      |                           ^~