Compilare: main.cpp: In member function 'std::vector<int> Solution::getMinDistances(std::vector<std::vector<std::pair<int, int> > >&)': main.cpp:7:7: warning: unused variable 'visNodesNo' [-Wunused-variable] 7 | int visNodesNo = 0; | ^~~~~~~~~~ main.cpp: In member function 'void Solution::printDist(std::vector<int>&, std::ofstream&)': main.cpp:58:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for (int i = 2; i <= dist.size(); ++i) { | ~~^~~~~~~~~~~~~~