Compilare: main.cpp: In function 'void dfs(int, int, g_t<int>&, g_t<bool>&)': main.cpp:10:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for (int i = 0; i < g[n].size(); i++) { | ~~^~~~~~~~~~~~~ main.cpp:13:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for (int i = 0; i < g[n].size(); i++) { | ~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for (int j = 0; j < g[i].size(); j++) { | ~~^~~~~~~~~~~~~ main.cpp:50:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int j = 0; j < g[i].size(); j++) { | ~~^~~~~~~~~~~~~