练习
P0624未做[AHOI2006]基因匹配Match编程猫官方普及/提高-P0625未做[CQOI2009]中位数图编程猫官方普及-P0626未做Pku1981 Circle and Points单位圆覆盖编程猫官方普及/提高-P0627未做[Baltic2003]Lamps编程猫官方普及+/提高P0628未做Poi2003 Trinomial编程猫官方普及/提高-P0629未做IPSC2003 Got Root?编程猫官方提高+/省选-P0630未做[NOI2007]货币兑换Cash编程猫官方普及+/提高P0631未做[NOI2006]最大获利编程猫官方普及+/提高P0632未做uva4409 - Ironman Race in Treeland编程猫官方普及+/提高P0633未做[Usaco2007 Jan]Protecting the Flowers 护花编程猫官方普及-P0638未做[JSOI2007]麻将编程猫官方普及/提高-P0640未做[HNOI2006]军机调度编程猫官方普及+/提高P0641未做[Croatia2003]VOKITOKI编程猫官方提高+/省选-P0643未做Zju2429 Destroying The Graph编程猫官方普及/提高-P0644未做[Wc2004]孪生项链编程猫官方普及+/提高P0645未做[Baltic2001]Knights编程猫官方普及+/提高P0646未做[Usaco2008 Oct]牧场行走编程猫官方普及-P0647未做[Usaco2007 Feb]The Cow Lexicon 牛的词典编程猫官方普及/提高-P0648未做[Usaco2006 Jan] Dollar Dayz 奶牛商店编程猫官方普及-P0649未做[Usaco2006 Oct]Building the Moat护城河的挖掘编程猫官方普及-P0650未做[Usaco2005 Mar]Checking an Alibi 不在场的证明编程猫官方普及-P0651未做[Usaco2005 Feb]Rigging the Bovine Election 竞选划区编程猫官方普及-P0652未做[Usaco2005 Open] Muddy roads 泥泞的路编程猫官方普及-P0653未做[Usaco2009 Feb]The Leprechaun 寻宝编程猫官方普及-P0654未做Zju2672 Fibonacci Subsequence编程猫官方普及/提高-P0655未做[2009国家集训队]拯救Protoss的故乡编程猫官方提高+/省选-P0656未做[usaco2007 Nov]relays 奶牛接力跑编程猫官方普及/提高-P0657未做[Usaco2009 Nov]找工作编程猫官方普及/提高-P0658未做[HAOI2010]软件安装编程猫官方普及+/提高P0659未做石头剪刀布编程猫官方提高+/省选-P0660未做Sgu229 Divide and conquer编程猫官方普及+/提高P0661未做[Beijing wc2012]最多的方案编程猫官方普及+/提高P0662未做[HNOI2004]高精度开根编程猫官方普及+/提高P0663未做Super Poker编程猫官方提高+/省选-P0664未做Pku3633 Copying DNA编程猫官方普及+/提高P0665未做[ZJOI2007]报表统计编程猫官方普及/提高-P0666未做[NOI2024] 树的定向编程猫官方提高+/省选-P0667未做[Croatian2009]PLAHTE编程猫官方普及+/提高P0668未做[HNOI2003]历史年份History编程猫官方普及+/提高P0669未做[SDOI2009]虔诚的墓主人编程猫官方普及+/提高P0670未做[Usaco2008Nov]安慰奶牛cheer编程猫官方普及/提高-P0671未做Zju1015 Fishing Net弦图判定编程猫官方普及+/提高P0672未做SGU277 HERO 动态凸包编程猫官方普及+/提高P0673未做[AHOI2006]上学路线route编程猫官方普及+/提高P0674未做[BeijingWc2008]雷涛的小猫编程猫官方普及-P0675未做玩具编程猫官方普及+/提高P0676未做Ural1557Network Attack编程猫官方普及+/提高P0677未做[Spoj744] Longest Permutation编程猫官方普及+/提高P0678未做[Baltic2007]Sound静音问题编程猫官方普及-P0679未做[Baltic2007]序列问题Sequence编程猫官方普及+/提高