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- 08:15, 7 March 2020 diff hist +160 NULL (2019) →Complete Status (Team Sessions Only)
- 07:57, 6 March 2020 diff hist +156 NULL (2019) →WF Preparation
- 07:54, 6 March 2020 diff hist +328 NULL (2019) →WF Preparation
- 00:44, 2 March 2020 diff hist +2,162 N XIX Open Cup named after E.V. Pankratiev. Grand Prix of Peterhof, Division 1. Created page with "== Problem A == Solved by Xiejiadong. 0:13 (+) 题意：给出在三角形的网格中走过的路径，要求回去。 题解：倒着还原回去。 考虑如果之前..." current
- 00:44, 2 March 2020 diff hist +159 NULL (2019) →Complete Status (Team Sessions Only)
- 04:52, 1 March 2020 diff hist +1 NULL (2019) →WF Preparation
- 04:52, 1 March 2020 diff hist +92 NULL (2019) →WF Preparation
- 13:25, 28 February 2020 diff hist +2 XIX Open Cup named after E.V. Pankratiev. Grand Prix of SPb, Division 1. →Problem A current
- 13:25, 28 February 2020 diff hist +2 XIX Open Cup named after E.V. Pankratiev. Grand Prix of SPb, Division 1. →Problem A
- 13:24, 28 February 2020 diff hist +2,700 N XIX Open Cup named after E.V. Pankratiev. Grand Prix of SPb, Division 1. Created page with "== Problem A == Solved by Xiejiadong. 2:48 (+1) 题意：给出了宠物属性的生成方式，选定一个时间，使得获得的宠物属性最强。 题解：宠物的..."
- 13:24, 28 February 2020 diff hist +6 NULL (2019) →Complete Status (Team Sessions Only)
- 09:47, 28 February 2020 diff hist +159 NULL (2019) →WF Preparation
- 09:46, 28 February 2020 diff hist +154 NULL (2019) →Complete Status (Team Sessions Only)
- 01:36, 27 February 2020 diff hist +3,108 N XIX Open Cup named after E.V. Pankratiev. Grand Prix of Siberia, Division 1. Created page with "== Problem A == Solved by Xiejiadong. 0:14 (+1) 题意：判断一个数是否是其他数的乘积。 题解：判断一个数是否是其他数的乘积可以通过一个..." current
- 01:35, 27 February 2020 diff hist +165 NULL (2019) →Complete Status (Team Sessions Only)
- 04:29, 26 February 2020 diff hist +1 NULL (2019) →WF Preparation
- 04:24, 26 February 2020 diff hist -17 NULL (2019) →WF Preparation
- 06:31, 25 February 2020 diff hist +13 XX Open Cup named after E.V. Pankratiev. Grand Prix of SPb, Division 1. →Problem F current
- 15:10, 24 February 2020 diff hist +2,313 N XX Open Cup named after E.V. Pankratiev. Grand Prix of SPb, Division 1. Created page with "== Problem A == Solved by Xiejiadong. 1:06 (+) 题意：给出一个 $d$ 的多项式，但你不知道多项式也不知道次数，要求通过不超过 $d+3$ 次询问，..."
- 10:01, 24 February 2020 diff hist +150 NULL (2019) →Complete Status (Team Sessions Only)
- 01:17, 23 February 2020 diff hist +1 NULL (2019) →Members
- 01:15, 23 February 2020 diff hist -1 NULL (2019) →Complete Status (Team Sessions Only)
- 12:49, 22 February 2020 diff hist +14 NULL (2019) →WF Preparation
- 12:11, 22 February 2020 diff hist +122 NULL (2019) →WF Preparation
- 08:28, 22 February 2020 diff hist +410 CTU Open Contest 2019 →Problem G
- 08:25, 22 February 2020 diff hist +570 CTU Open Contest 2019 →Problem D
- 08:22, 22 February 2020 diff hist +97 CTU Open Contest 2019 →Problem B
- 08:21, 22 February 2020 diff hist +95 CTU Open Contest 2019 →Problem H
- 08:21, 22 February 2020 diff hist +499 N CTU Open Contest 2019 Created page with "== Problem A == Solved by Kilo_5723. 00:36 (+5) == Problem B == Solved by Xiejiadong. 02:34(+) == Problem C == Solved by Kilo_5723. 03:04 (+3) == Problem D == Solved by..."
- 08:13, 22 February 2020 diff hist +100 NULL (2019) →Complete Status (Team Sessions Only)
- 06:49, 21 February 2020 diff hist +85 NULL (2019) →WF Preparation
- 11:52, 20 February 2020 diff hist +93 NULL (2019) →WF Preparation
- 11:51, 20 February 2020 diff hist +1 NULL (2019) →Complete Status (Team Sessions Only)
- 11:51, 20 February 2020 diff hist +13 XIX Open Cup named after E.V. Pankratiev. Grand Prix of Eurasia, Division 1. →Problem F
- 10:00, 20 February 2020 diff hist +6 NULL (2019) →Complete Status (Team Sessions Only)
- 09:59, 20 February 2020 diff hist +2,172 N XIX Open Cup named after E.V. Pankratiev. Grand Prix of Eurasia, Division 1. Created page with "== Problem A == Solved by Xiejiadong. 0:07 (+) 温暖的签到。 == Problem B == Unsolved. == Problem C == Solved by Xiejiadong. 2:23 (+2) 题意：每个软件有不..."
- 09:59, 20 February 2020 diff hist +153 NULL (2019) →Complete Status (Team Sessions Only)
- 08:15, 19 February 2020 diff hist +93 NULL (2019) →WF Preparation
- 02:14, 19 February 2020 diff hist +13 XX Open Cup named after E.V. Pankratiev. Grand Prix of Siberia, Division 1. →Problem J
- 13:00, 18 February 2020 diff hist +10 NULL (2019) →Complete Status (Team Sessions Only)
- 09:26, 18 February 2020 diff hist +1,842 N XX Open Cup named after E.V. Pankratiev. Grand Prix of Siberia, Division 1. Created page with "== Problem A == Solved by Kilo_5723. 0:09 (+) == Problem B == Unsolved. == Problem C == Unsolved. == Problem D == Solved by Weaver_zhu. 4:32 (+7) == Problem E == Solv..."
- 09:25, 18 February 2020 diff hist +150 NULL (2019) →Complete Status (Team Sessions Only)
- 08:13, 17 February 2020 diff hist +61 NULL (2019) →WF Preparation
- 08:12, 17 February 2020 diff hist 0 N File:Gp6div1sol.pdf current
- 07:57, 17 February 2020 diff hist -156 NULL (2019) →WF Preparation
- 02:55, 17 February 2020 diff hist +947 NULL (2019) →WF Preparation
- 02:37, 17 February 2020 diff hist +98 NULL (2019) →WF Preparation
- 01:46, 17 February 2020 diff hist -2 NULL (2019) →Complete Status (Team Sessions Only)
- 10:50, 16 February 2020 diff hist 0 NULL (2019) →Complete Status (Team Sessions Only)
- 09:57, 16 February 2020 diff hist +996 XX Open Cup named after E.V. Pankratiev. Grand Prix of Korea, Division 1. →Problem F