/in/foo.c: In function 'main':
/in/foo.c:13:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(j=0;j<n;j++)
   ^~~
/in/foo.c:23:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
    printf("%d",t1);
    ^~~~~~
/in/foo.c:8:23: warning: unused variable 't' [-Wunused-variable]
  int a[10000],i,j,k,n,t=0,t1=0;
                       ^