foo.cc: In function 'll check(ll)':
foo.cc:54:12: warning: unused variable 'j' [-Wunused-variable]
54 | ll j=0; ll cnt=0; ll ans=0;
| ^
foo.cc:54:20: warning: unused variable 'cnt' [-Wunused-variable]
54 | ll j=0; ll cnt=0; ll ans=0;
| ^~~
foo.cc: In function 'll solve(ll)':
foo.cc:77:12: warning: unused variable 'j' [-Wunused-variable]
77 | ll j=0; ll cnt=0; ll ans=0;
| ^
foo.cc:77:20: warning: unused variable 'cnt' [-Wunused-variable]
77 | ll j=0; ll cnt=0; ll ans=0;
| ^~~
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