Compilare: main.cpp: In member function 'void Heap::coboara(long long int)': main.cpp:21:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | while (poz * 2 + 1 < heap.size()) { | ~~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:22:77: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | if(heap[poz*2+1]<heap[poz] && heap[poz*2+2]<heap[poz] && poz*2+2<heap.size()) | ~~~~~~~^~~~~~~~~~~~ main.cpp:26:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | if (poz * 2 + 2 < heap.size()) { | ~~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:126:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for(auto i = 0;i<sol.size();i++) | ~^~~~~~~~~~~