Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23:37: error: ‘memset’ was not declared in this scope memset(vizitat, -1, sizeof(vizitat)); ^ user.cpp:32:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < v[s].size(); ++i) { ^ user.cpp:11:15: warning: unused variable ‘j’ [-Wunused-variable] int n, m, i, j, k, x, y, nr, s, inc , sf; ^ user.cpp:11:18: warning: unused variable ‘k’ [-Wunused-variable] int n, m, i, j, k, x, y, nr, s, inc , sf; ^ user.cpp:11:27: warning: unused variable ‘nr’ [-Wunused-variable] int n, m, i, j, k, x, y, nr, s, inc , sf; ^