foo.cc:4: warning: ignoring #pragma warning  [-Wunknown-pragmas]
    4 | #pragma warning (disable:4996)
      | 
foo.cc: In function 'int main()':
foo.cc:17:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 | scanf("%d", &nA[i]);
      | ~~~~~^~~~~~~~~~~~~~

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