Compilare: main.cpp: In member function 'void Heap::coboara(int)': main.cpp:13:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | if(poz*2+1 < vals.size() && vals[poz].second > vals[poz*2+1].second){ | ~~~~~~~~^~~~~~~~~~~~~ main.cpp:18:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | }if(poz*2+2 < vals.size() && vals[poz].second > vals[poz*2+2].second){ | ~~~~~~~~^~~~~~~~~~~~~ main.cpp: In member function 'void Heap::remove(int)': main.cpp:37:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int i = 0;i<vals.size();i++){ | ~^~~~~~~~~~~~