洛谷云剪切板里的笔记索引
广义 SAM 上如果两个串的前缀对应的节点相同那么它们的长度一定相同
最小割计数 (accoders NOI http://47.92.197.167:5283/contest/388/problem/4)
平衡(accoders NOI http://47.92.197.167:5283/contest/388/problem/4)