user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    -0x20000(%rsp),%r11
L25:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L25
  sub    $0x40,%rsp
  mov    %edi,-0x20034(%rbp)
  mov    %rsi,-0x20040(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x20030(%rbp)
  jmp    L134
L54:
  mov    -0x20030(%rbp),%eax
  cltq
  mov    -0x20030(%rbp),%edx
  mov    %edx,-0x20010(%rbp,%rax,4)
  addl   $0x1,-0x20030(%rbp)
L134:
  cmpl   $0x7fff,-0x20030(%rbp)
  jle    L54
  movl   $0x0,-0x20030(%rbp)
  jmp    L66
L176:
  movl   $0x0,-0x2002c(%rbp)
  jmp    L144
L5:
  mov    -0x2002c(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  xor    -0x20030(%rbp),%eax
  mov    %eax,-0x20018(%rbp)
  movl   $0x0,-0x20028(%rbp)
  jmp    L164
L179:
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x2002c(%rbp),%eax
  add    %edx,%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x20028(%rbp),%eax
  add    %edx,%eax
  cltq
  mov    -0x20010(%rbp,%rax,4),%ecx
  mov    -0x20018(%rbp),%eax
  imul   -0x20028(%rbp),%eax
  mov    %eax,%edx
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%esi
  mov    -0x2002c(%rbp),%eax
  add    %esi,%eax
  shl    $0x5,%eax
  mov    %eax,%esi
  mov    -0x20028(%rbp),%eax
  add    %esi,%eax
  add    %ecx,%edx
  cltq
  mov    %edx,-0x20010(%rbp,%rax,4)
  addl   $0x1,-0x20028(%rbp)
L164:
  cmpl   $0x1f,-0x20028(%rbp)
  jle    L179
  mov    -0x2002c(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  or     -0x20030(%rbp),%eax
  mov    %eax,-0x20014(%rbp)
  movl   $0x0,-0x20028(%rbp)
  jmp    L42
L167:
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x2002c(%rbp),%eax
  add    %edx,%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x20028(%rbp),%eax
  add    %edx,%eax
  cltq
  mov    -0x20010(%rbp,%rax,4),%ecx
  mov    -0x20014(%rbp),%eax
  imul   -0x20028(%rbp),%eax
  mov    %eax,%edx
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%esi
  mov    -0x2002c(%rbp),%eax
  add    %esi,%eax
  shl    $0x5,%eax
  mov    %eax,%esi
  mov    -0x20028(%rbp),%eax
  add    %esi,%eax
  add    %ecx,%edx
  cltq
  mov    %edx,-0x20010(%rbp,%rax,4)
  addl   $0x1,-0x20028(%rbp)
L42:
  cmpl   $0x1f,-0x20028(%rbp)
  jle    L167
  addl   $0x1,-0x2002c(%rbp)
L144:
  cmpl   $0x1f,-0x2002c(%rbp)
  jle    L5
  addl   $0x1,-0x20030(%rbp)
L66:
  cmpl   $0x1f,-0x20030(%rbp)
  jle    L176
  movl   $0x0,-0x20030(%rbp)
  jmp    L101
L14:
  movl   $0x0,-0x20024(%rbp)
  jmp    L104
L52:
  movl   $0x0,-0x20020(%rbp)
  jmp    L60
L72:
  mov    -0x20030(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x20024(%rbp),%eax
  add    %edx,%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x20020(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x2001c(%rbp)
  mov    -0x2001c(%rbp),%eax
  cltq
  mov    -0x20010(%rbp,%rax,4),%ecx
  mov    -0x20024(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  xor    -0x20030(%rbp),%eax
  imul   -0x20020(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2001c(%rbp),%eax
  lea    (%rdx,%rax,1),%esi
  mov    -0x20024(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  or     -0x20030(%rbp),%eax
  imul   -0x20020(%rbp),%eax
  add    %esi,%eax
  cmp    %eax,%ecx
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  addl   $0x1,-0x20020(%rbp)
L60:
  cmpl   $0x1f,-0x20020(%rbp)
  jle    L72
  addl   $0x1,-0x20024(%rbp)
L104:
  cmpl   $0x1f,-0x20024(%rbp)
  jle    L52
  addl   $0x1,-0x20030(%rbp)
L101:
  cmpl   $0x1f,-0x20030(%rbp)
  jle    L14
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L128
  call   <__stack_chk_fail@plt>
L128:
  leave
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  int i, arr[32 * 32 * 32];
  int pt[2];
  for (i = 0; i < 32 * 32 * 32; i++)
    arr[i] = i;
#pragma acc kernels copy(arr)
  {
    int j;
#pragma acc loop gang(num : 32)
    for (i = 0; i < 32; i++) {
#pragma acc loop worker(num : 32) private(pt)
      for (j = 0; j < 32; j++) {
        int k;
        pt[0] = i ^ j * 3;
#pragma acc loop vector(length : 32)
        for (k = 0; k < 32; k++)
          arr[i * 1024 + j * 32 + k] += pt[0] * k;
        pt[1] = i | j * 5;
#pragma acc loop vector(length : 32)
        for (k = 0; k < 32; k++)
          arr[i * 1024 + j * 32 + k] += pt[1] * k;
      }
    }
  }
  for (i = 0; i < 32; i++)
    for (int j = 0; j < 32; j++)
      for (int k = 0; k < 32; k++) {
        int idx = i * 1024 + j * 32 + k;
        assert(arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k);
      }
  return 0;
}
```