Compilare: main.cpp: In function 'int main()': main.cpp:87:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for (int j = 0; j < noduri.size(); j++) | ~~^~~~~~~~~~~~~~~ main.cpp:103:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for (int j = 0; j < muchii.size(); j++) | ~~^~~~~~~~~~~~~~~