Compilare: main.cpp: In function 'void citire()': main.cpp:29:9: warning: unused variable 'i' [-Wunused-variable] 29 | int i,x,y; | ^ main.cpp: In function 'void dfs(int)': main.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int i=0;i<G[x].size();i++) | ~^~~~~~~~~~~~