foo.c: In function 'Setlnter':
foo.c:5:17: warning: unused variable 't' [-Wunused-variable]
    5 |  int i=0,j,jj,k,t=0,flag;
      |                 ^
foo.c:5:15: warning: unused variable 'k' [-Wunused-variable]
    5 |  int i=0,j,jj,k,t=0,flag;
      |               ^
foo.c: In function 'main':
foo.c:42:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   42 |  scanf("%d %d %d",&n1,&n2,&n3);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.c:45:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   45 |   scanf("%d",&a1[i]);
      |   ^~~~~~~~~~~~~~~~~~
foo.c:49:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   49 |   scanf("%d",&a2[i]);
      |   ^~~~~~~~~~~~~~~~~~
foo.c:53:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   53 |   scanf("%d",&a3[i]);
      |   ^~~~~~~~~~~~~~~~~~

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