Compilare: main.cpp: In function 'int main()': main.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for (int i = 0; i < muchii.size(); ++i) { | ~~^~~~~~~~~~~~~~~ main.cpp:62:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (int j = 0; j < apm.size(); ++j) { | ~~^~~~~~~~~~~~