Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:22:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < L[node].size(); i ++) { ^ user.cpp: In function ‘int main()’: user.cpp:73:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < T.size(); i ++) { ^ user.cpp:74:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(mx < T[i].size()) ^ user.cpp:78:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < T[poz].size(); j ++) ^ user.cpp:78:29: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int j = 0; j < T[poz].size(); j ++) ^