Compilare: user.cpp: In function ‘void insertToHeap(int)’: user.cpp:18:37: warning: narrowing conversion of ‘pozitii.std::vector<_Tp, _Alloc>::size<int, std::allocator<int> >()’ from ‘std::vector<int>::size_type {aka unsigned int}’ to ‘int’ inside { } [-Wnarrowing] heap.push_back({nr,pozitii.size()}); ^ user.cpp: In function ‘void removeFromHeap(int)’: user.cpp:31:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(2*poz<heap.size()&&heap[poz].val>min(heap[2*poz].val,heap[2*poz+1].val)) { ^ user.cpp:32:66: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(heap[2*poz].val<heap[2*poz+1].val||2*poz+1>=heap.size()) { ^