Compilare: main.cpp: In function 'void dfs(int)': main.cpp:50:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:57:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for(i=0; i<qui[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:49:17: warning: unused variable 'index' [-Wunused-variable] 49 | int i,k,a,b,index; | ^~~~~ main.cpp: In function 'int main()': main.cpp:66:11: warning: unused variable 'j' [-Wunused-variable] 66 | int i,j,k,l,m,q,curr=0,cnt2=0,tip,x,y,z; | ^ main.cpp:66:13: warning: unused variable 'k' [-Wunused-variable] 66 | int i,j,k,l,m,q,curr=0,cnt2=0,tip,x,y,z; | ^ main.cpp:66:15: warning: unused variable 'l' [-Wunused-variable] 66 | int i,j,k,l,m,q,curr=0,cnt2=0,tip,x,y,z; | ^ main.cpp:66:17: warning: unused variable 'm' [-Wunused-variable] 66 | int i,j,k,l,m,q,curr=0,cnt2=0,tip,x,y,z; | ^