Compilare: main.cpp: In function 'int main()': main.cpp:54:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int j = 0; j < muchii[pos].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:62:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for(int c = 0; c < drumuri_noi.size(); c++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:65:25: warning: unused variable 'vv' [-Wunused-variable] 65 | int vv = drumuri_noi[c].second; | ^~