#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int canConstruct(char *, char *);
int /*<<< orphan*/ printf(char *, int);
int main(void) {
  printf("%d\n", canConstruct("", ""));
  printf("%d\n", canConstruct("", "a"));
  printf("%d\n", canConstruct("a", ""));
  printf("%d\n", canConstruct("ab", ""));
  printf("%d\n", canConstruct("a", "a"));
  printf("%d\n", canConstruct("a", "b"));
  printf("%d\n", canConstruct("a", "ab"));
  printf("%d\n", canConstruct("a", "bc"));
  printf("%d\n", canConstruct("a", "ba"));
  printf("%d\n", canConstruct("a", "bac"));
  printf("%d\n", canConstruct("ab", "cbca"));
  printf("%d\n", canConstruct("aab", "ccabc"));
  printf("%d\n", canConstruct("aab", "ccaaabc"));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xecd(%rip),%rsi
mov    %rsi,%rdi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xeb9(%rip),%rdi
call   1030 <printf@plt>
lea    0xeb0(%rip),%rdi
lea    0xeab(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xe98(%rip),%rdi
call   1030 <printf@plt>
lea    0xe91(%rip),%rdi
lea    0xe88(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xe77(%rip),%rdi
call   1030 <printf@plt>
lea    0xe7c(%rip),%rdi
lea    0xe67(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xe56(%rip),%rdi
call   1030 <printf@plt>
lea    0xe4f(%rip),%rsi
mov    %rsi,%rdi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xe39(%rip),%rdi
call   1030 <printf@plt>
lea    0xe32(%rip),%rdi
lea    0xe38(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xe18(%rip),%rdi
call   1030 <printf@plt>
lea    0xe11(%rip),%rdi
lea    0xe16(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xdf7(%rip),%rdi
call   1030 <printf@plt>
lea    0xdf0(%rip),%rdi
lea    0xe03(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xdd6(%rip),%rdi
call   1030 <printf@plt>
lea    0xdcf(%rip),%rdi
lea    0xdc7(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xdb5(%rip),%rdi
call   1030 <printf@plt>
lea    0xdae(%rip),%rdi
lea    0xda9(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xd94(%rip),%rdi
call   1030 <printf@plt>
lea    0xd99(%rip),%rdi
lea    0xd8c(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xd73(%rip),%rdi
call   1030 <printf@plt>
lea    0xd77(%rip),%rdi
lea    0xd74(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xd52(%rip),%rdi
call   1030 <printf@plt>
lea    0xd56(%rip),%rdi
lea    0xd59(%rip),%rsi
call   1040 <canConstruct@plt>
mov    %eax,%esi
lea    0xd31(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
lea    0xed4(%rip),%rbx
mov    %rbx,%rdi
mov    %rbx,%rsi
call   1040 <canConstruct@plt>
lea    0xebf(%rip),%r14
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xeb3(%rip),%r12
mov    %rbx,%rdi
mov    %r12,%rsi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %r12,%rdi
mov    %rbx,%rsi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xe8e(%rip),%r15
mov    %r15,%rdi
mov    %rbx,%rsi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %r12,%rdi
mov    %r12,%rsi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xe5e(%rip),%rsi
mov    %r12,%rdi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %r12,%rdi
mov    %r15,%rsi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xe3d(%rip),%rsi
mov    %r12,%rdi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xe09(%rip),%rsi
mov    %r12,%rdi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xdf3(%rip),%rsi
mov    %r12,%rdi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xdde(%rip),%rsi
mov    %r15,%rdi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xdca(%rip),%rbx
lea    0xdc7(%rip),%rsi
mov    %rbx,%rdi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
lea    0xdb4(%rip),%rsi
mov    %rbx,%rdi
call   1040 <canConstruct@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

LLVM IR (-O0):
@.str = [4 x i8] c"%d\0A\00"
@.str.1 = [1 x i8] zeroinitializer
@.str.2 = [2 x i8] c"a\00"
@.str.3 = [3 x i8] c"ab\00"
@.str.4 = [2 x i8] c"b\00"
@.str.5 = [3 x i8] c"bc\00"
@.str.6 = [3 x i8] c"ba\00"
@.str.7 = [4 x i8] c"bac\00"
@.str.8 = [5 x i8] c"cbca\00"
@.str.9 = [4 x i8] c"aab\00"
@.str.10 = [6 x i8] c"ccabc\00"
@.str.11 = [8 x i8] c"ccaaabc\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @canConstruct(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %2)
%4 = call i32 @canConstruct(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %4)
%6 = call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %6)
%8 = call i32 @canConstruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %8)
%10 = call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %10)
%12 = call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%13 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %12)
%14 = call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
%15 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %14)
%16 = call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%17 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %16)
%18 = call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0))
%19 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %18)
%20 = call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0))
%21 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %20)
%22 = call i32 @canConstruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.8, i64 0, i64 0))
%23 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %22)
%24 = call i32 @canConstruct(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i64 0, i64 0))
%25 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %24)
%26 = call i32 @canConstruct(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.11, i64 0, i64 0))
%27 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %26)
ret i32 0
}

LLVM IR (-O2):
@.str = [4 x i8] c"%d\0A\00"
@.str.1 = [1 x i8] zeroinitializer
@.str.2 = [2 x i8] c"a\00"
@.str.3 = [3 x i8] c"ab\00"
@.str.4 = [2 x i8] c"b\00"
@.str.5 = [3 x i8] c"bc\00"
@.str.6 = [3 x i8] c"ba\00"
@.str.7 = [4 x i8] c"bac\00"
@.str.8 = [5 x i8] c"cbca\00"
@.str.9 = [4 x i8] c"aab\00"
@.str.10 = [6 x i8] c"ccabc\00"
@.str.11 = [8 x i8] c"ccaaabc\00"
define i32 @main() {
%1 = tail call i32 @canConstruct(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0))
%2 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @canConstruct(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %3)
%5 = tail call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0))
%6 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = tail call i32 @canConstruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.1, i64 0, i64 0))
%8 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %7)
%9 = tail call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0))
%10 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %9)
%11 = tail call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.4, i64 0, i64 0))
%12 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %11)
%13 = tail call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0))
%14 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %13)
%15 = tail call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.5, i64 0, i64 0))
%16 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %15)
%17 = tail call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.6, i64 0, i64 0))
%18 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %17)
%19 = tail call i32 @canConstruct(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0))
%20 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %19)
%21 = tail call i32 @canConstruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.8, i64 0, i64 0))
%22 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %21)
%23 = tail call i32 @canConstruct(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.10, i64 0, i64 0))
%24 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %23)
%25 = tail call i32 @canConstruct(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.11, i64 0, i64 0))
%26 = tail call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), i32 %25)
ret i32 0
}