Compilare: main.cpp: In member function 'void Heap::print()': main.cpp:67:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for (int i = 1; i < data.size(); i++) | ~~^~~~~~~~~~~~~ main.cpp: In member function 'void Heap::downHeap(int)': main.cpp:113:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | if (left < data.size() && data[smallest] > data[left]) | ~~~~~^~~~~~~~~~~~~ main.cpp:117:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 117 | if (right < data.size() && data[smallest] > data[right]) | ~~~~~~^~~~~~~~~~~~~