Compilare: main.cpp: In function 'void DFS(int)': main.cpp:16:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[nod].size(); i++) { ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int scor(int)': main.cpp:31:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[nod].size(); i++) { ~~^~~~~~~~~~~~~~~ main.cpp:38:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^