Compilare: main.cpp: In function 'int main()': main.cpp:23:12: warning: unused variable 'a' [-Wunused-variable] 23 | Heap * a = new Heap(); | ^ main.cpp: In member function 'void Heap::coboara()': main.cpp:75:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | while(i * 2 + 2 < v.size()){ | ~~~~~~~~~~^~~~~~~~~~ main.cpp: In member function 'void Heap::mergeHeaps(Heap*)': main.cpp:109:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 109 | for(int i = 0; i < other->v.size(); i++) | ~~^~~~~~~~~~~~~~~~~