Compilare: main.cpp: In function 'int main()': main.cpp:90:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for(int i = 0; i < costuri.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:102:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int j = 0; j < drumuri_noi.size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~