چالش Turing Complete ¶

int r()
{
  int v1;
  do
  {
    v1 = getchar();
    if ( v1 == -1 || !v1 || v1 == 113 )
      return 2;
    if ( v1 == 48 )
      return 0;
  }
  while ( v1 != 49 );
  return 1;
}

int __cdecl main(int argc, const char **argv, const char **envp)
{
  size_t v3; // eax
  int v4; // esi
  int v5; // esi
  int v6; // esi
  int v7; // esi
  int v8; // esi
  int v9; // esi
  int v10; // esi
  char s[128]; // [esp+1h] [ebp-A3h] BYREF
  unsigned __int8 v13; // [esp+81h] [ebp-23h]
  char v14; // [esp+82h] [ebp-22h]
  char v15; // [esp+83h] [ebp-21h]
  FILE *stream; // [esp+84h] [ebp-20h]
  unsigned __int8 *v17; // [esp+88h] [ebp-1Ch]
  int *p_argc; // [esp+98h] [ebp-Ch]

  p_argc = &argc;
  setvbuf(stdout, 0, 2, 0);
  setvbuf(stderr, 0, 2, 0);
  strcpy(s, "Hi, thanks for reading me! The flag is: ");
  v17 = (unsigned __int8 *)s;
  stream = fopen("flag.txt", "r");
  if ( !stream )
  {
    puts("Flag file not found!");
    exit(1);
  }
  v3 = strlen(s);
  fgets(&s[v3], 32, stream);
  fclose(stream);
  puts("01010000 01110010 01101111 01100111 01110010 01100001 01101101 00100000 01101101 01100101 00100001");
  while ( 1 )
  {
    v15 = r();
    if ( v15 == 2 )
      break;
    v14 = r();
    if ( v14 == 2 )
      break;
    if ( v15 || v14 )
    {
      if ( v15 || v14 != 1 )
      {
        if ( v15 != 1 || v14 )
        {
          if ( v15 == 1 && v14 == 1 )
          {
            v4 = (unsigned __int8)r() << 7;
            v5 = ((unsigned __int8)r() << 6) | v4;
            v6 = (32 * (unsigned __int8)r()) | v5;
            v7 = (16 * (unsigned __int8)r()) | v6;
            v8 = (8 * (unsigned __int8)r()) | v7;
            v9 = (4 * (unsigned __int8)r()) | v8;
            v10 = (2 * (unsigned __int8)r()) | v9;
            v13 = v10 | r();
            *v17 = v13;
          }
        }
        else
        {
          printf("%08b", *v17);
        }
      }
      else
      {
        --v17;
      }
    }
    else
    {
      ++v17;
    }
    fflush(stdout);
  }
  fflush(stdout);
  return 0;
}