练习
P0680未做王者归来编程猫官方普及+/提高P0681未做Sgu325Palindrome编程猫官方普及+/提高P0682未做[Cerc2008]Business Cards编程猫官方提高+/省选-P0683未做[POI2006]Tet-Tetris 3D编程猫官方普及+/提高P0684未做[POI2006]Pal编程猫官方普及+/提高P0685未做[POI2005]sam-Toy Cars编程猫官方普及/提高-P0686未做打电话(tel)编程猫官方普及+/提高P0687未做[Usaco2009 Open]工作安排Job编程猫官方普及-P0688未做[Usaco2009 Jan]地震损坏Damage编程猫官方普及/提高-P0689未做[Usaco2009 Feb]庙会捷运Fair Shuttle编程猫官方普及/提高-P0690未做[Usaco2009 Feb]Revamping Trails 道路升级编程猫官方普及/提高-P0691未做[Usaco2008 Nov]Guarding the Farm 保卫牧场编程猫官方普及-P0692未做[Usaco2007 Mar]Balanced Lineup编程猫官方普及-P0693未做[Zjoi2012]小蓝的好友(mrx)编程猫官方提高+/省选-P0694未做Uva10173 Smallest Bounding Rectangle编程猫官方普及+/提高P0695未做[Poi2012]Leveling Ground编程猫官方普及+/提高P0696未做[Poi2012]Prefixuffix编程猫官方普及+/提高P0697未做[SDOI2011]染色编程猫官方普及+/提高P0698未做[Apio2012]dispatching编程猫官方普及/提高-P0699未做Wormly编程猫官方普及+/提高P0700未做【POJ Challenge 】永远挑战编程猫官方普及/提高-P0701未做[HAOI2011]problem a编程猫官方普及/提高-P0702未做作诗(Poetize)编程猫官方普及+/提高P0703未做[HAOI2011]防线修建编程猫官方普及+/提高P0704未做[Apio2011]方格染色编程猫官方普及+/提高P0705未做双向边定向为单向边编程猫官方普及+/提高P0706未做XY的赛车场编程猫官方普及/提高-P0707未做[中山市选2011]杀人游戏编程猫官方普及+/提高P0708未做[中山市选2011]小W的问题编程猫官方提高+/省选-P0709未做[BeiJing2011]矩阵模板编程猫官方普及/提高-P0710未做[Spoj1557] Can you answer these queries II编程猫官方普及+/提高P0711未做Revenge of Fibonacci编程猫官方普及+/提高P0712未做Xavier is Learning to Count编程猫官方提高+/省选-P0713未做相框编程猫官方普及+/提高P0714未做[Usaco2012Jan]Bovine Alliance编程猫官方普及-P0715未做Spoj 10707 Count on a tree II编程猫官方普及+/提高P0716未做[Usaco 2012 Feb]Nearby Cows编程猫官方普及/提高-P0717未做[Poi2003]Smugglers编程猫官方普及/提高-P0718未做[Poi2003]Monkeys编程猫官方普及/提高-P0719未做梦的困境编程猫官方普及+/提高P0720未做可见区域编程猫官方提高+/省选-P0721未做积木编程猫官方提高+/省选-P0722未做middle编程猫官方普及+/提高P0723未做[NOI2008]奥运物流编程猫官方提高+/省选-P0724未做[SCOI2007]蜥蜴编程猫官方普及+/提高P0725未做[SCOI2006]整数划分编程猫官方普及-P0726未做[AHOI2007]密码箱编程猫官方普及/提高-P0727未做Appear编程猫官方普及+/提高P0728未做[POI2005]Kos-Dicing编程猫官方普及+/提高P0729未做[Usaco2007 Feb]Cow Party编程猫官方普及-