迷宫类题目一些伪代码小经验

__int64 __fastcall main(__int64 a1, char **a2, char **a3)
{
  signed __int64 v3; // rbx
  signed int v4; // eax
  bool v5; // bp
  bool v6; // al
  const char *v7; // rdi
  __int64 v9; // [rsp+0h] [rbp-28h]

  v9 = 0LL;
  puts("Input flag:");
  scanf("%s", &s1, 0LL);
  if ( strlen(&s1) != 24 || strncmp(&s1, "nctf{", 5uLL) || *(&byte_6010BF + 24) != 125 )
  {
NO_either:
    puts("Wrong flag!");
    exit(-1);
  }
  v3 = 5LL;
  if ( strlen(&s1) - 1 > 5 )
  {
    while ( 1 )
    {
      v4 = *(&s1 + v3);
      v5 = 0;
      if ( v4 > 78 )
      {
        v4 = (unsigned __int8)v4;
        if ( (unsigned __int8)v4 == 79 )        // O
        {
          v6 = left((_DWORD *)&v9 + 1);         // 左
          goto pre_ifboundary;
        }
        if ( v4 == 111 )                        // o
        {
          v6 = rignt((int *)&v9 + 1);           // 右
          goto pre_ifboundary;
        }
      }
      else
      {
        v4 = (unsigned __int8)v4;
        if ( (unsigned __int8)v4 == 46 )        // .
        {
          v6 = up(&v9);                         // 上
          goto pre_ifboundary;
        }
        if ( v4 == 48 )                         // 0
        {
          v6 = down((int *)&v9);                // 下
pre_ifboundary:
          v5 = v6;
          goto ifboundary;
        }
      }
ifboundary:
      if ( !(unsigned __int8)ifboundary_((__int64)asc_601060, SHIDWORD(v9), v9) )
        goto NO_either;
      if ( ++v3 >= strlen(&s1) - 1 )
      {
        if ( v5 )
          break;
NO:
        v7 = "Wrong flag!";
        goto YES;
      }
    }
  }
  if ( asc_601060[8 * (signed int)v9 + SHIDWORD(v9)] != 35 )
    goto NO;
  v7 = "Congratulations!";
YES:
  puts(v7);
  return 0LL;
}