Compilare: main.cpp: In function 'void coboara(long long int)': main.cpp:22:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | if (poz * 2 + 1 >= heap.size()) | ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:25:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | if ((poz * 2 + 2 == heap.size()) || fiu_st < heap[poz * 2 + 2].first) { | ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for (j = 0; j < heap.size() - 1; j++) | ~~^~~~~~~~~~~~~~~~~