Eroare de compilare: user.cpp: In function ‘void DFS(int, int, int, int)’: user.cpp:22:9: error: ‘a’ was not declared in this scope if (a[x][y]) { ^ user.cpp:29:36: error: ‘a’ was not declared in this scope if (istrue(n, m, w) && a[w.fi][w.se] < h && ! viz[w.fi][w.se]) { ^ user.cpp: In function ‘int main()’: user.cpp:41:16: error: ‘a’ was not declared in this scope cin >> a[i][j]; ^ user.cpp:44:25: error: ‘a’ was not declared in this scope if (a[i][j] == 0 ) DFS(n,m,i,j); ^