foo.c: In function 'main':
foo.c:7:26: warning: unused variable 'num' [-Wunused-variable]
    7 |  int i=0,t,q,n,p,v=0,j=0,num;
      |                          ^~~
foo.c:7:18: warning: unused variable 'v' [-Wunused-variable]
    7 |  int i=0,t,q,n,p,v=0,j=0,num;
      |                  ^
foo.c:7:12: warning: unused variable 'q' [-Wunused-variable]
    7 |  int i=0,t,q,n,p,v=0,j=0,num;
      |            ^
foo.c:9:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%d",&n);
      |  ^~~~~~~~~~~~~~
foo.c:13:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   13 |   scanf("%c",&a);
      |   ^~~~~~~~~~~~~~

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