foo.c: In function 'FindMaxNeg':
foo.c:35:1: warning: control reaches end of non-void function [-Wreturn-type]
   35 | }
      | ^
foo.c: In function 'main':
foo.c:40:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   40 |  scanf("%d",&n1);
      |  ^~~~~~~~~~~~~~~
foo.c:41:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   41 |  scanf("%d",&n2);
      |  ^~~~~~~~~~~~~~~
foo.c:45:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   45 |   scanf("%d",&a[i]);
      |   ^~~~~~~~~~~~~~~~~
foo.c:47:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   47 |   scanf("%d",&b[i]);
      |   ^~~~~~~~~~~~~~~~~
foo.c: In function 'FindMaxNeg':
foo.c:27:5: warning: 'fsa' may be used uninitialized in this function [-Wmaybe-uninitialized]
   27 |   if(fsa<a[i]&&fs(a[i]))
      |     ^
foo.c:30:5: warning: 'fsb' may be used uninitialized in this function [-Wmaybe-uninitialized]
   30 |   if(fsb<b[i]&&fs(b[i]))
      |     ^

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