Compilare: user.cpp: In function ‘void parcurgere(int, int, int)’: user.cpp:28:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < A[nod].size(); i++) ^ user.cpp: In function ‘void DFS(int)’: user.cpp:46:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < A[x].size(); i++) ^ user.cpp:49:17: warning: unused variable ‘k’ [-Wunused-variable] int k = A[x][i].first; ^