foo.cc: In function 'int main()':
foo.cc:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   31 |     scanf("%d%d", &p, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~
foo.cc:32:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   32 |     for(int i = 1; i <= q; ++i) scanf("%d", &x[i]);
      |                                 ~~~~~^~~~~~~~~~~~~

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Found 10 testcases.
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