2019
December
September
2018
December
January
2017
October
September
August
July
April
March
2016
November
August
July
May
March
February
- February 16, 2016 » TopCoder SRM678(Div.1) Normal TheEmpireStrikesBack
- February 16, 2016 » TopCoder SRM676(Div.1) Easy ANewHope
- February 14, 2016 » CodeForces 626E Simple Skewness
- February 14, 2016 » CodeForces 626D Jerry's Protest
- February 14, 2016 » CodeForces 626C Block Towers
- February 13, 2016 » TopCoder SRM677(Div.1) Normal DiameterOfRandomTree
- February 13, 2016 » TopCoder SRM677(Div.1) Easy DoubleOrOneEasy
- February 13, 2016 » CodeForces 625D Finals in arithmetic
- February 13, 2016 » CodeForces 625C K-special Tables
- February 10, 2016 » TopCoder SRM681(Div.1) Normal LimitedMemorySeries2
- February 9, 2016 » TopCoder SRM681(Div.1) Easy FleetFunding
- February 8, 2016 » 快速加 VS. 乘法取模
- February 5, 2016 » CodeForces 623B Array GCD
- February 5, 2016 » CodeForces 623A Graph and String
- February 4, 2016 » TopCoder SRM679(Div.1) Normal RedAndBluePoints
- February 4, 2016 » TopCoder SRM679(Div.1) Easy FiringEmployees
- February 3, 2016 » CodeForces 618F Double Knapsack
- February 3, 2016 » CodeForces 618E Robot Arm
- February 3, 2016 » CodeForces 618D Hamiltonian Spanning Tree
- February 3, 2016 » CodeForces 618C Constellation
- February 2, 2016 » TopCoder SRM680(Div.1) Normal BearSpans
- February 2, 2016 » TopCoder SRM680(Div.1) Easy BearFair
2015
December
November
October
September
August
- August 30, 2015 » CF::Gym 100338/ 2007-2008 Winter Petrozavodsk Camp (ASC 30)
- August 29, 2015 » CF::Gym 100338/ 2006-2007 Winter Petrozavodsk Camp (ASC 22)
- August 24, 2015 » HDU 5418 / Victor and World
- August 24, 2015 » HDU 4408 / Minimum Spanning Tree
- August 23, 2015 » HDU 4405 / Aeroplane chess
- August 23, 2015 » HDU 4404 / Worms
- August 23, 2015 » HDU 4390 / Number Sequence
- August 22, 2015 » AIZU 2559 / Minimum Spanning Tree
- August 22, 2015 » AIZU 2556 / Integer in Integer
- August 19, 2015 » CF::GYM 100418K / Cards
- August 15, 2015 » CF::GYM 100203I / I WIN
- August 15, 2015 » CF::GYM 100203D / Different vectors
- August 14, 2015 » CF::GYM 100379I / Move the queen to the corner!
- August 7, 2015 » HDU4380 / Farmer Greedy
July
June
2014
July
June
May
April
- April 28, 2014 » CTSC2014/Day1/企鹅QQ
- April 24, 2014 » BZOJ3531/遥远的国度
- April 23, 2014 » BZOJ3531/SDOI2014/旅行
- April 22, 2014 » BZOJ2243/SDOI2011/染色
- April 22, 2014 » BZOJ1488/HNOI2009/树的同构
- April 17, 2014 » BZOJ3530/SDOI2014/数数
- April 17, 2014 » BZOJ1187/HNOI2007/神奇游乐园
- April 16, 2014 » BZOJ1193/HNOI2006/马步距离
- April 15, 2014 » BZOJ2330/SCOI2011/糖果
- April 15, 2014 » BZOJ2330/SDOI2011/计算器
- April 14, 2014 » BZOJ2303/APIO2011/方格染色
- April 14, 2014 » BZOJ2300/HAOI2011/防线修建
- April 14, 2014 » BZOJ2178/圆的面积并
- April 11, 2014 » BZOJ3106/CQOI2013/新数独
- April 11, 2014 » BZOJ3106/CQOI2013/图的逆变换
- April 11, 2014 » BZOJ3106/CQOI2013/二进制a+b
- April 11, 2014 » BZOJ3106/CQOI2013/棋盘游戏
- April 11, 2014 » BZOJ2337/HNOI2011/XOR和路径
- April 10, 2014 » BZOJ3304/SHOI2005/带限制的最长公共子序列
- April 10, 2014 » BZOJ2338/HNOI2011/数矩形
- April 10, 2014 » BZOJ2338/HNOI2010/Planar
- April 9, 2014 » BZOJ2732/HNOI2011/任务调度
- April 9, 2014 » BZOJ2732/HNOI2011/括号修复
- April 9, 2014 » BZOJ2732/HNOI2011/赛车游戏
- April 8, 2014 » BZOJ2732/HNOI2012/排队
- April 7, 2014 » BZOJ2732/HNOI2012/矿场搭建
- April 4, 2014 » BZOJ2732/HNOI2012/射箭
March
February
- February 28, 2014 » BZOJ1096/ZJOI2007/仓库建设
- February 28, 2014 » BZOJ1095/ZJOI2007/捉迷藏
- February 27, 2014 » BZOJ3143/HNOI2013/游走
- February 27, 2014 » BZOJ1085/SCOI2005/骑士精神
- February 27, 2014 » BZOJ1074/SCOI2007/折纸
- February 25, 2014 » 计算几何-旋转卡壳(2)
- February 21, 2014 » 计算几何-旋转卡壳(1)
- February 21, 2014 » 计算几何-模版
- February 19, 2014 » 区间k小数（5）
- February 19, 2014 » 区间k小数（4）
- February 19, 2014 » 区间k小数（3）
- February 19, 2014 » 区间k小数（2）
- February 18, 2014 » 区间k小数（1）
- February 18, 2014 » 区间k小数（1.5）
- February 4, 2014 » POJ3469/Dual Core CPU
- February 3, 2014 » NOI2006最大获益
- February 3, 2014 » BZOJ2818/GCD
- February 2, 2014 » BZOJ1266/AHOI2006/上学路线
- February 1, 2014 » POJ2079/Triangle
January
- January 31, 2014 » BZOJ2819/Nim
- January 30, 2014 » BZOJ1433/ZJOI2009/假期的宿舍
- January 29, 2014 » BZOJ1043/HAOI2008/下落的圆盘
- January 29, 2014 » BZOJ1040/ZJOI2008/骑士
- January 21, 2014 » BZOJ3038/上帝造题的七分钟2
- January 20, 2014 » BZOJ2326/HNOI2011/数学作业
- January 20, 2014 » BZOJ1226/SDOI2009/学校食堂
- January 20, 2014 » BZOJ1036/树的统计
- January 18, 2014 » Rounder
- January 18, 2014 » BZOJ3132/上帝造题的七分钟
- January 17, 2014 » BZOJ3280/HNOI2013集训小R的烦恼
- January 17, 2014 » BZOJ1587/叶子合并
- January 16, 2014 » BZOJ1221/HNOI2001软件开发
- January 16, 2014 » BZOJ1073/ksort
- January 15, 2014 » BZOJ3339/Rmq Problem
- January 15, 2014 » BZOJ1072/SCOI2007/排列
- January 14, 2014 » BZOJ1070/SCOI2007/修车
- January 14, 2014 » BZOJ1067/SCOI2007/降雨量
- January 14, 2014 » BZOJ1066/SCOI2007/蜥蜴
- January 13, 2014 » BZOJ1090/SCOI2003/字符串折叠
- January 13, 2014 » BZOJ1089/SCOI2003/严格n元树
- January 13, 2014 » BZOJ1068/SCOI2007/压缩
- January 13, 2014 » BZOJ1045/HAOI2008/糖果传递
- January 11, 2014 » NOI2008奥运物流
- January 11, 2014 » NOI2008假面舞会
- January 11, 2014 » NOI2008志愿者招募
- January 11, 2014 » NOI2008道路设计
- January 10, 2014 » 你好，世界