Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:15:16: warning: unused variable 'cnt' [-Wunused-variable] 15 | int i,rest,cnt=0,k,minim=0; | ^~~ main.cpp: In function 'int main()': main.cpp:41:11: warning: unused variable 'j' [-Wunused-variable] 41 | int i,j,k,l,m,maxim=0,val,a,b; | ^ main.cpp:41:13: warning: unused variable 'k' [-Wunused-variable] 41 | int i,j,k,l,m,maxim=0,val,a,b; | ^ main.cpp:41:15: warning: unused variable 'l' [-Wunused-variable] 41 | int i,j,k,l,m,maxim=0,val,a,b; | ^ main.cpp:41:17: warning: unused variable 'm' [-Wunused-variable] 41 | int i,j,k,l,m,maxim=0,val,a,b; | ^ main.cpp:41:27: warning: unused variable 'val' [-Wunused-variable] 41 | int i,j,k,l,m,maxim=0,val,a,b; | ^~~