foo.cc: In function 'int main()':
foo.cc:7:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    7 |   scanf("%d",&N);
      |   ~~~~~^~~~~~~~~
foo.cc:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |     scanf("%d",&numbers[i]);
      |     ~~~~~^~~~~~~~~~~~~~~~~~

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