练习
P0473未做[JSOI2008]Blue Mary的旅行编程猫官方普及+/提高P0474未做[Usaco2009 Open]滑雪课Ski编程猫官方普及/提高-P0475未做[Usaco2009 Feb]Stock Market 股票市场编程猫官方普及-P0476未做[Usaco2009 Mar]Cleaning Up 打扫卫生编程猫官方普及+/提高P0477未做[Usaco2007 Oct]Bessie's Secret Pasture 贝茜的秘密草坪编程猫官方入门20.0%P0478未做[Usaco2006 Mar]Water Slides 滑水编程猫官方普及/提高-P0479未做[Usaco2006 Dec]The Fewest Coins 找零钱编程猫官方普及/提高-P0480未做[Usaco2006 Jan] Redundant Paths 分离的路径编程猫官方普及/提高-P0481未做[Usaco2005 qua]Bull Math编程猫官方入门P0482未做[Baltic2009]beetle编程猫官方普及+/提高P0483未做[Ahoi2009]chess 中国象棋编程猫官方普及/提高-P0484未做[Ahoi2009]checker编程猫官方普及+/提高P0485未做[Ioi2007]Miners 矿工配餐编程猫官方普及/提高-P0486未做[Ioi2005]gar编程猫官方普及+/提高P0487未做[Ioi2005]riv编程猫官方普及+/提高P0488未做Ural 1519 Formula 1编程猫官方提高+/省选-P0489未做[JSOI2010]Frozen Nova 冷冻波编程猫官方普及+/提高P0490未做[JSOI2010]满汉全席编程猫官方普及/提高-P0491未做[AHOI2008]Y型项链编程猫官方普及-P0492未做[AHOI2008]逆序对编程猫官方普及+/提高P0493未做[ZJOI2010]count 数字计数编程猫官方普及-P0494未做[ZJOI2010]network 网络扩容编程猫官方普及+/提高P0495未做[HDOJ3204]Expression Counting编程猫官方提高+/省选-P0496未做[Scoi2010]字符串编程猫官方普及/提高-P0497未做Srm444 avoidfour编程猫官方普及+/提高P0498未做[Zjoi2004]Lunch 午餐编程猫官方普及/提高-P0499未做Uva10601 Cubes编程猫官方普及+/提高P0500未做Zju2112 Dynamic Rankings编程猫官方普及+/提高P0501未做[Sdoi2010]星际竞速编程猫官方普及+/提高P0502未做[USACO2004 Dec] Dividing the Path 划区灌溉编程猫官方普及/提高-P0503未做Pku2238编程猫官方普及/提高-P0504未做[Hnoi2010]Fsk物品调度编程猫官方普及+/提高P0505未做[Usaco2009 Nov]硬币游戏编程猫官方普及/提高-P0506未做[Usaco2010 Nov]Buying Feed 购买饲料编程猫官方普及+/提高P0507未做我爸是李刚编程猫官方普及+/提高P0508未做[Usaco2010 Dec]Letter 恐吓信编程猫官方普及+/提高P0509未做[Usaco2010 Dec]Treasure Chest 藏宝箱编程猫官方普及/提高-P0510未做Spoj2832 Find The Determinant III编程猫官方普及+/提高P0511未做[Usaco2011 Jan]奶牛议会编程猫官方普及/提高-P0512未做数论之神编程猫官方普及+/提高P0513未做CCC2009 Dinner之Zuma2编程猫官方普及+/提高P0514未做过敏症测试编程猫官方普及+/提高P0515未做[Ncpc2009]Beacons编程猫官方普及+/提高P0516未做[2010Beijing Wc]外星联络编程猫官方普及-P0517未做Fibonacci System编程猫官方普及+/提高P0518未做[Jsoi2009]瓶子和燃料编程猫官方普及-P0519未做商店购物编程猫官方提高+/省选-P0520未做3-sided dice编程猫官方普及/提高-P0521未做[Usaco2011 Feb]Cowlphabet 奶牛文字编程猫官方普及-P0522未做【POJ Challenge】我爱你啊编程猫官方入门