Eroare de compilare: user.cpp: In function ‘void bfs(int)’: user.cpp:21:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<graph[element].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:45:1: error: expected ‘;’ before ‘for’ for(i=0;i<k;i++) ^ user.cpp:45:10: warning: statement has no effect [-Wunused-value] for(i=0;i<k;i++) ^ user.cpp:45:16: error: expected ‘;’ before ‘)’ token for(i=0;i<k;i++) ^