foo.cc: In function 'int main()':
foo.cc:51:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   51 |  scanf("%d", &t);
      |  ~~~~~^~~~~~~~~~
foo.cc:53:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   53 |   scanf("%lld%lld%lld%lld", &a, &b, &c, &g);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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