Compilare: main.cpp: In member function 'void MinHeap::print()': main.cpp:18:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i=0;i<heap.size();++i) | ~^~~~~~~~~~~~ main.cpp: In member function 'void MinHeap::repairHeapDown(int)': main.cpp:22:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | if (2*poz+1 >= heap.size()){ | ~~~~~~~~^~~~~~~~~~~~~~ main.cpp:25:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | if (2*poz+2 == heap.size() || heap[2*poz+1] > heap[2*poz+2]){ | ~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In member function 'void MinHeap::del(int)': main.cpp:63:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int j = 0; j < heap.size(); ++j) | ~~^~~~~~~~~~~~~