Compilare: main.cpp: In function 'int main()': main.cpp:13:21: warning: unused variable 'nod' [-Wunused-variable] 13 | int n,t,m,i,x,y,nod,vecin; | ^~~ main.cpp:13:25: warning: unused variable 'vecin' [-Wunused-variable] 13 | int n,t,m,i,x,y,nod,vecin; | ^~~~~ main.cpp: In function 'void dfs(int)': main.cpp:50:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i=0;i<G[nod].size();i++){ | ~^~~~~~~~~~~~~~