foo.cc: In function 'int main()':
foo.cc:83:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   83 |   for (int i = 2; i <= 9; i++) scanf("%d", &Matrix[i]);
      |                                ~~~~~^~~~~~~~~~~~~~~~~~
foo.cc: In function 'void bfs()':
foo.cc:27:13: warning: 'nowjz[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   27 |  if (nowjz[1] + nowjz[5] + nowjz[9] != 15) return false;
      |      ~~~~~~~^
foo.cc:27:24: warning: 'nowjz[5]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   27 |  if (nowjz[1] + nowjz[5] + nowjz[9] != 15) return false;
      |                 ~~~~~~~^
foo.cc:27:35: warning: 'nowjz[9]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   27 |  if (nowjz[1] + nowjz[5] + nowjz[9] != 15) return false;
      |                            ~~~~~~~^
foo.cc:28:13: warning: 'nowjz[7]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   28 |  if (nowjz[7] + nowjz[8] + nowjz[9] != 15) return false;
      |      ~~~~~~~^
foo.cc:28:24: warning: 'nowjz[8]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   28 |  if (nowjz[7] + nowjz[8] + nowjz[9] != 15) return false;
      |                 ~~~~~~~^

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