Compilare: main.cpp: In function 'int main()': main.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for (i=0; i<V.size(); i++){ | ~^~~~~~~~~ main.cpp:42:15: warning: format '%ld' expects argument of type 'long int', but argument 2 has type 'long long int' [-Wformat=] 42 | printf("%ld", sol); | ~~^ ~~~ | | | | | long long int | long int | %lld