Compilare: main.cpp: In function 'int main()': main.cpp:31:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for (int i = rm.size() - 1; i >= rm.size() - m; i--) { | ~~^~~~~~~~~~~~~~~~ main.cpp:53:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for (int i = um.size() - 1; i >= um.size() - m; i--) { | ~~^~~~~~~~~~~~~~~~