foo.cc: In function 'int main()':
foo.cc:57:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   57 | scanf("%d", &digit);
      | ~~~~~^~~~~~~~~~~~~~
foo.cc:58:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   58 | scanf("%d", &leftNum);
      | ~~~~~^~~~~~~~~~~~~~~~
foo.cc:59:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   59 | scanf("%d", &rightNum);
      | ~~~~~^~~~~~~~~~~~~~~~~
foo.cc:61:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   61 | scanf("%d", &p[i]);
      | ~~~~~^~~~~~~~~~~~~
foo.cc:62:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   62 | scanf("%d", &q[i]);
      | ~~~~~^~~~~~~~~~~~~

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