foo.c: In function 'main':
foo.c:14:20: warning: unused variable 'count' [-Wunused-variable]
   14 |  int n1,n2,k,m,i,j,count;
      |                    ^~~~~
foo.c:14:14: warning: variable 'm' set but not used [-Wunused-but-set-variable]
   14 |  int n1,n2,k,m,i,j,count;
      |              ^
foo.c:14:12: warning: variable 'k' set but not used [-Wunused-but-set-variable]
   14 |  int n1,n2,k,m,i,j,count;
      |            ^
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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