Practice
P0784To do[Spoj 5971] LCMSumOfficial CodemaoIntermediateP0785To do[Spoj 2371]Another Longest IncreasingOfficial CodemaoUpper intermediateP0786To do激光强度调节装置Official CodemaoUpper intermediateP0787To doFree GoodiesOfficial CodemaoUpper intermediateP0788To do[Usaco2011 Feb]Generic Cow ProtestsOfficial CodemaoIntermediateP0789To do[Poi2011]StrongboxOfficial CodemaoUpper intermediateP0790To do[Poi2011]TemperatureOfficial CodemaoUpper intermediateP0791To dotreeOfficial CodemaoUpper intermediateP0792To do[Usaco2008 Nov]mixup2 混乱的奶牛Official CodemaoIntermediateP0793To do[Cerc2005] Knights of the Round TableOfficial CodemaoUpper intermediateP0794To do[Usaco2008 Nov]Buying Hay 购买干草Official CodemaoElementary33.3%P0795To do聪明的阿卑多Official CodemaoIntermediateP0796To doAttackOfficial CodemaoUpper intermediateP0797To doAlmostOfficial CodemaoAdvancedP0798To do三角板Official CodemaoUpper intermediateP0799To doPku3967 Ideal PathOfficial CodemaoIntermediateP0800To do[SHOI2008]堵塞的交通trafficOfficial CodemaoUpper intermediateP0801To do计划安排Official CodemaoUpper intermediateP0802To doPku3156 InterconnectOfficial CodemaoUpper intermediateP0803To doplane平面Official CodemaoUpper intermediateP0804To do[JSOI2008]火星人prefixOfficial CodemaoUpper intermediateP0805To do[cqoi2012]模拟工厂Official CodemaoAdvancedP0806To do[Ctsc2005]玩具的重量weightOfficial CodemaoAdvancedP0807To doCards交换卡片Official CodemaoUpper intermediateP0808To doKth Number IOfficial CodemaoUpper intermediateP0809To do[SCOI2009]生日礼物Official CodemaoElementaryP0810To do[ZJOI2009]狼和羊的故事Official CodemaoIntermediateP0811To doPasswordOfficial CodemaoUpper intermediateP0812To do[JSOI2008]球形空间产生器sphereOfficial CodemaoIntermediateP0813To do[ZJOI2009]对称的正方形Official CodemaoUpper intermediateP0814To do[HAOI2007]分割矩阵Official CodemaoIntermediateP0815To do[JSOI2007]合金Official CodemaoUpper intermediateP0816To do[SCOI2005]骑士精神Official CodemaoIntermediateP0817To do[ZJOI2009]取石子游戏Official CodemaoAdvancedP0818To do[ZJOI2009]多米诺骨牌Official CodemaoAdvancedP0819To do士兵占领Official CodemaoIntermediateP0820To do棋盘游戏Official CodemaoUpper intermediateP0821To do糖果传递Official CodemaoIntermediateP0822To do[HNOI2009]有趣的数列Official CodemaoUpper intermediateP0823To do[POI2008]TroOfficial CodemaoUpper intermediateP0824To do[HNOI2001]产品加工Official CodemaoIntermediateP0825To do[NOI2009]植物大战僵尸Official CodemaoUpper intermediateP0826To do[HNOI2006]花仙子的魔法Official CodemaoUpper intermediateP0827To do[Usaco2009 Mar]Earthquake Damage 2 地震伤害Official CodemaoIntermediateP0828To do[Usaco2008 Mar]牛跑步Official CodemaoIntermediateP0829To do[Usaco2008 Oct]灌水Official CodemaoElementaryP0830To do[Usaco2008 Jan]人工湖Official CodemaoUpper intermediateP0831To do[Usaco2008 Jan]Cow Contest奶牛的比赛Official CodemaoElementaryP0832To do[Usaco2007 Jan]Telephone Lines架设电话线Official CodemaoIntermediateP0833To do三维导弹拦截Official CodemaoIntermediate