Compilare: main.cpp: In function 'void dfs(int)': main.cpp:30:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i = 0; i < edge[node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:53:21: warning: unused variable 't' [-Wunused-variable] 53 | int n, m, i, j, t, cer; | ^