Compilare: main.cpp: In function 'int dfs(int)': main.cpp:33:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:32:9: warning: unused variable 'remax' [-Wunused-variable] 32 | int remax=adj[curr].size(); | ^~~~~ main.cpp:43:1: warning: no return statement in function returning non-void [-Wreturn-type] 43 | } | ^ main.cpp: In function 'int main()': main.cpp:72:13: warning: unused variable 'j' [-Wunused-variable] 72 | int n,i,j,a; | ^