Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<in[nod].size();i++) ^ user.cpp: In function ‘void bfs(int)’: user.cpp:30:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<g[coada[p]].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:64:18: warning: overflow in implicit constant conversion [-Woverflow] startt[i]=2000000000; ^