foo.cc: In function 'int main()':
foo.cc:118:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  118 |  scanf("%[^\n]", s);
      |  ~~~~~^~~~~~~~~~~~~
foo.cc:122:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  122 |  scanf("%[^\n]", t);
      |  ~~~~~^~~~~~~~~~~~~

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