Compilare: user.cpp: In function ‘int bfs(int)’: user.cpp:24:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<g[v].size();++i) ^ user.cpp:32:12: warning: ‘rs’ may be used uninitialized in this function [-Wmaybe-uninitialized] return rs; ^ user.cpp:31:24: warning: ‘Max’ may be used uninitialized in this function [-Wmaybe-uninitialized] for (i=1;i<=n;i++) if (d[i]>Max) Max=d[i],rs=i; ^