进阶1 哈希-字符串哈希 题单介绍 最后两道就当练习题了 题目列表 [USACO14OPEN] Fair Photography S [JSOI2008] Blue Mary的战役地图 [POI 2010] ANT-Antisymmetry [ONTAK2015] Tasowanie Prefix-Suffix Palindrome (Easy version) Prefix-Suffix Palindrome (Hard version) [POI 2010] KOR-Beads [CTSC2014] 企鹅 QQ [COCI 2017/2018 #1] Lozinke [CERC2019] ABB [POI 2012] OKR-A Horrible Poem 八数码难题 [HAOI2008] 移动玩具 [ZJOI2005] 九数码游戏 Compress Words [COCI 2006/2007 #5] DVAPUT