Compilare: main.cpp: In function 'int main()': main.cpp:51:43: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for (int j = 0; j < vp.size(); j++) | ~~^~~~~~~~~~~ main.cpp:70:43: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for (int j = 0; j < vp.size(); j++) | ~~^~~~~~~~~~~ main.cpp:90:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for (int i = 0; i < vp.size(); i++) | ~~^~~~~~~~~~~