Compilare: main.cpp: In member function 'void MinHeap::heapify(int)': main.cpp:51:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | if (l < h.size() && v[h[l]] < v[h[maxx]]) { | ~~^~~~~~~~~~ main.cpp:54:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | if (r < h.size() && v[h[r]] < v[h[maxx]]) { | ~~^~~~~~~~~~