/in/foo.cc: In function 'int main()':
/in/foo.cc:12:30: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
         scanf("%d%I64d",&n,&m);
                            ~~^
/in/foo.cc:61:43: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=]
         printf("Case #%d: %I64d\n",cse,res);
                                           ^