Compilare: main.cpp: In function 'int rad(int)': main.cpp:12:17: warning: unused variable 'aux2' [-Wunused-variable] 12 | int aux=nod,aux2; | ^~~~ main.cpp: In function 'int main()': main.cpp:41:23: 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] 41 | for (int i = 0; i < muchii.size(); ++i) { | ~~^~~~~~~~~~~~~~~ main.cpp:60:27: 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] 60 | for (int j = 0; j < apm.size(); ++j) { | ~~^~~~~~~~~~~~