Compilare: main.cpp: In function 'int dfs(int, int)': main.cpp:16:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:25:1: warning: no return statement in function returning non-void [-Wreturn-type] 25 | } | ^ main.cpp: In function 'int sume(int, int)': main.cpp:30:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:40:1: warning: no return statement in function returning non-void [-Wreturn-type] 40 | } | ^ main.cpp: In function 'int main()': main.cpp:43:13: warning: unused variable 'j' [-Wunused-variable] 43 | int n,i,j,k,a,w; | ^ main.cpp:43:15: warning: unused variable 'k' [-Wunused-variable] 43 | int n,i,j,k,a,w; | ^