foo.c: In function 'main':
foo.c:22:18: warning: variable 'maxs2' set but not used [-Wunused-but-set-variable]
   22 |  int n1,n2,maxs1,maxs2;
      |                  ^~~~~
foo.c:22:12: warning: variable 'maxs1' set but not used [-Wunused-but-set-variable]
   22 |  int n1,n2,maxs1,maxs2;
      |            ^~~~~
foo.c:23:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   23 |  scanf("%d%d",&n1,&n2);
      |  ^~~~~~~~~~~~~~~~~~~~~
foo.c:26:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   26 |   scanf("%d",&a[i]);
      |   ^~~~~~~~~~~~~~~~~
foo.c:30:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   30 |   scanf("%d",&b[i]);
      |   ^~~~~~~~~~~~~~~~~

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