Wrong Answer
/in/foo.cc: In function 'int main()':
/in/foo.cc:52:25: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
scanf("%lld%lld",&n,&m);
^
/in/foo.cc:52:25: warning: format '%lld' expects argument of type 'long long int*', but argument 3 has type 'int*' [-Wformat=]
