foo.c: In function 'main':
foo.c:5:14: warning: unused variable 'tmp' [-Wunused-variable]
    5 |  int n,i,m,j,tmp;
      |              ^~~
foo.c:5:12: warning: unused variable 'j' [-Wunused-variable]
    5 |  int n,i,m,j,tmp;
      |            ^
foo.c:8:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    8 |  scanf("%d %d",&n,&m);
      |  ^~~~~~~~~~~~~~~~~~~~
foo.c:10:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   10 |  scanf("%d",&s[i]);
      |  ^~~~~~~~~~~~~~~~~

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