Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < g[node].size(); h++) ~~^~~~~~~~~~~~~~~~ main.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < g[node].size(); h++){ ~~^~~~~~~~~~~~~~~~ main.cpp:43:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h = 0; h < g[node].size(); h++) { ~~^~~~~~~~~~~~~~~~ main.cpp:53:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i <= g[node].size(); i++) { ~~^~~~~~~~~~~~~~~~~