Compilare: main.cpp: In function 'void dfs(int)': main.cpp:31:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:114:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<qu>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for(i=0;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:92:13: warning: unused variable 'j' [-Wunused-variable] 92 | int n,i,j,k,l,x,q,timp,a,b,val; | ^ main.cpp:92:15: warning: unused variable 'k' [-Wunused-variable] 92 | int n,i,j,k,l,x,q,timp,a,b,val; | ^ main.cpp:92:17: warning: unused variable 'l' [-Wunused-variable] 92 | int n,i,j,k,l,x,q,timp,a,b,val; | ^