foo.c: In function 'FindMaxs':
foo.c:4:8: warning: unused variable 'j' [-Wunused-variable]
    4 |  int i,j;
      |        ^
foo.c:12:1: warning: control reaches end of non-void function [-Wreturn-type]
   12 | }
      | ^
foo.c: In function 'main':
foo.c:16:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   16 |  scanf("%d%d",&n1,&n2);
      |  ^~~~~~~~~~~~~~~~~~~~~
foo.c:18:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   18 |   scanf("%d",&a[i]);
      |   ^~~~~~~~~~~~~~~~~
foo.c:20:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   20 |   scanf("%d",&b[j]);
      |   ^~~~~~~~~~~~~~~~~

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