Compilare: main.cpp: In function 'int main()': main.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (int i = 0; i < pariuri.size(); ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp:54:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for (int i = 0; i < listaSol.size(); ++i) | ~~^~~~~~~~~~~~~~~~~