Compilare: main.cpp: In function 'int main()': main.cpp:48:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(int i = 1; i < ordine.size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp:55:49: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 55 | while(!heap.empty() && best[nod].size() < k) | ~~~~~~~~~~~~~~~~~^~~ main.cpp:60:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | if(curr.ind + 1 < best[curr.nod].size()) | ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~