foo.c:3: warning: ignoring #pragma warning  [-Wunknown-pragmas]
    3 | #pragma warning(disable:4996)
      | 
foo.c: In function 'main':
foo.c:7:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    7 |  scanf("%d", &m);
      |  ^~~~~~~~~~~~~~~

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