Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:15:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(int i = 0; i < edge[node].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int j = 0; j < edge[node].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~