练习
P0880未做[Baltic2007]Ranklist sorting名次排序问题编程猫官方提高+/省选-P0881未做[Usaco2005 jan]Naptime 午睡时间编程猫官方普及/提高-P0882未做分裂编程猫官方普及+/提高P0883未做[Usaco2009 Jan]气象牛Baric编程猫官方普及/提高-P0884未做[Usaco2009 Hol]Transmission Delay 传输谍延时编程猫官方普及+/提高P0885未做[Usaco2009 Mar]Moon Mooing 哞哞叫编程猫官方普及/提高-P0886未做[Usaco2007 Dec]穿越泥地编程猫官方普及-P0887未做叶子合并leaves编程猫官方普及/提高-P0888未做[Usaco2007 Oct]Obstacle Course 障碍训练课编程猫官方普及-P0889未做[Usaco2006 Oct]Another Cow Number Game 奶牛的数字游戏编程猫官方入门37.5%P0890未做[Usaco2006 Mar]Lights Out 关灯编程猫官方普及/提高-P0891未做[Usaco2006 Nov]Fence Repair 切割木板编程猫官方普及-P0892未做[Usaco2007 Jan]Problem Solving 解题编程猫官方普及+/提高P0893未做[Usaco2008 Nov]lites 开关灯编程猫官方普及/提高-P0894未做[Usaco2005 Open]Waves 波纹编程猫官方普及/提高-P0895未做[Usaco2006 Mar]Ski Lift 缆车支柱编程猫官方普及/提高-P0896未做Moving the Hay编程猫官方普及+/提高P0897未做Zju2116 Christopher编程猫官方普及+/提高P0898未做Pku3164 Command Network编程猫官方普及+/提高P0899未做[SDOI2009]HH去散步编程猫官方普及+/提高P0900未做JZPSTR编程猫官方普及+/提高P0901未做[Ceoi2010]Pin编程猫官方普及+/提高P0902未做[USACO2008 Nov]toy 玩具编程猫官方普及+/提高P0903未做[Usaco2009 Nov]农场技艺大赛编程猫官方普及-P0904未做[Usaco2010 Jan]Cheese Towers编程猫官方普及/提高-P0905未做[Usaco2006 Nov]Round Numbers 圆环数编程猫官方普及/提高-P0906未做Pku2422 The Wolves and the Sheep编程猫官方普及+/提高P0907未做[POI2004]ZAW编程猫官方普及+/提高P0908未做Mall编程猫官方普及+/提高P0909未做[Usaco2010 Dec]The Trough Game编程猫官方入门P0910未做[Poi2010]Hamsters编程猫官方普及+/提高P0911未做[Usaco2012 Open]tied编程猫官方提高+/省选-P0912未做[Swerc2010]Fakes coreboard编程猫官方提高+/省选-P0913未做[Coci2010]HRPA编程猫官方普及+/提高P0914未做Pku3889 Fractal Streets编程猫官方普及/提高-P0915未做[Usaco2007 Open]Cheappal 廉价回文编程猫官方普及-P0916未做序列划分编程猫官方普及/提高-P0917未做[Sdoi2008]沙拉公主的困惑编程猫官方普及+/提高P0918未做[Sdoi2011]黑白棋编程猫官方普及+/提高P0919未做fraction编程猫官方普及+/提高P0920未做[Zjoi2011]礼物(gift)编程猫官方普及+/提高P0921未做[Balkan 2011]Timeismoney编程猫官方普及+/提高P0922未做数列编程猫官方普及+/提高P0923未做周期点编程猫官方提高+/省选-P0924未做[Zjoi2011]看电影(movie)编程猫官方普及+/提高P0925未做[中山市选2011]完全平方数编程猫官方普及/提高-P0926未做[HAOI2006]均分数据编程猫官方提高+/省选-P0927未做TopCoder MSRM 485 Deposit编程猫官方普及+/提高P0928未做射击游戏编程猫官方普及/提高-P0929未做Yummy Triangular Pizza编程猫官方普及+/提高