Compilare: main.cpp: In function 'void DFS(std::vector<std::vector<int> >&, int, std::vector<int>&, std::vector<int>&, int, int)': main.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(int i = 0; i < adj[node].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:81:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int i = 0; i < megoldas.size(); i++){ | ~~^~~~~~~~~~~~~~~~~ main.cpp:84:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for(int j = 0; j < megoldas[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~~~~~