foo.c: In function 'FindMax':
foo.c:20:6: warning: statement with no effect [-Wunused-value]
   20 |   max==a[i];
      |   ~~~^~~~~~
foo.c: In function 'main':
foo.c:6:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    6 |   scanf("%d",&n);
      |   ^~~~~~~~~~~~~~
foo.c:8:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    8 |   scanf("%d",&a[i]);
      |   ^~~~~~~~~~~~~~~~~

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