Compilare: main.cpp: In function 'int main()': main.cpp:47:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int i = 0; i < costuri.size(); i++) | ~~^~~~~~~~~~~~~~~~ main.cpp:80:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for(int i = 1; i < multime.size(); i++) | ~~^~~~~~~~~~~~~~~~