foo.cc: In function 'int main()':
foo.cc:53:21: warning: unused variable 'i' [-Wunused-variable]
   53 |         int a,b,c,d,i[10000],l=0,k=0,s;
      |                     ^
foo.cc:53:30: warning: unused variable 'l' [-Wunused-variable]
   53 |         int a,b,c,d,i[10000],l=0,k=0,s;
      |                              ^
foo.cc:53:34: warning: unused variable 'k' [-Wunused-variable]
   53 |         int a,b,c,d,i[10000],l=0,k=0,s;
      |                                  ^
foo.cc:53:38: warning: unused variable 's' [-Wunused-variable]
   53 |         int a,b,c,d,i[10000],l=0,k=0,s;
      |                                      ^
foo.cc:54:13: warning: unused variable 'o' [-Wunused-variable]
   54 |         int o=0,y[10000],f=-1,g=0;
      |             ^
foo.cc:54:17: warning: unused variable 'y' [-Wunused-variable]
   54 |         int o=0,y[10000],f=-1,g=0;
      |                 ^
foo.cc:54:26: warning: unused variable 'f' [-Wunused-variable]
   54 |         int o=0,y[10000],f=-1,g=0;
      |                          ^
foo.cc:54:31: warning: unused variable 'g' [-Wunused-variable]
   54 |         int o=0,y[10000],f=-1,g=0;
      |                               ^

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