Compilare: main.cpp: In function 'void dfs(int, std::vector<std::vector<int> >&, std::vector<bool>&, std::vector<bool>&)': main.cpp:20:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for (int i = 0; i < edges[current].size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:25:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for (int j = 0; j < visitedNodes.size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~~~