方法错了，不知道大佬们能不能优化，我先去学bfs咯
by iamecho9 @ 2023-01-04 16:53:19
本题好像只能 bfs 写。。。
by best_brain @ 2023-01-04 16:57:59
@[iamecho9](/user/665213) 加上记忆化试试?
by OldDriverTree @ 2023-01-04 17:09:56
我的深度优先过了
by jucing @ 2023-01-20 14:22:11
如果那个点来过且现在到达的步数更大，就减枝
by jucing @ 2023-01-20 14:24:18
bfs
by Tx1234567 @ 2023-01-24 16:22:30