Compilare: main.cpp: In function 'void DFS(int)': main.cpp:73:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[node].size(); i++){ ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void buildCasa()': main.cpp:140:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < help[i].size(); j++){ ~~^~~~~~~~~~~~~~~~