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- 08:30, 19 February 2020 diff hist +360 XX Open Cup named after E.V. Pankratiev. Grand Prix of Siberia, Division 1. →Problem A
- 02:42, 17 February 2020 diff hist -15 XX Open Cup named after E.V. Pankratiev. Grand Prix of Korea, Division 1. →Problem J
- 02:41, 17 February 2020 diff hist +835 XX Open Cup named after E.V. Pankratiev. Grand Prix of Korea, Division 1. →Problem J
- 02:28, 17 February 2020 diff hist +295 XX Open Cup named after E.V. Pankratiev. Grand Prix of Korea, Division 1. →Problem G
- 02:26, 17 February 2020 diff hist +287 XX Open Cup named after E.V. Pankratiev. Grand Prix of Korea, Division 1. →Problem A
- 02:22, 17 February 2020 diff hist +13 XX Open Cup named after E.V. Pankratiev. Grand Prix of Korea, Division 1. →Problem J
- 14:56, 16 February 2020 diff hist 0 XX Open Cup named after E.V. Pankratiev. Grand Prix of Korea, Division 1. →Problem F
- 08:06, 17 December 2019 diff hist -7 2019 ICPC EC Final →Problem C current
- 08:06, 17 December 2019 diff hist +9 2019 ICPC EC Final →Problem A
- 08:06, 17 December 2019 diff hist +2 2019 ICPC EC Final →Problem A
- 08:05, 17 December 2019 diff hist -2 2019 ICPC EC Final →Problem A
- 08:04, 17 December 2019 diff hist +56 2019 ICPC EC Final →Problem A
- 07:53, 17 December 2019 diff hist -8 2019 ICPC EC Final →Problem C
- 07:50, 17 December 2019 diff hist +6 2019 ICPC EC Final →Problem C
- 07:49, 17 December 2019 diff hist +6 2019 ICPC EC Final →Problem C
- 07:48, 17 December 2019 diff hist +4 2019 ICPC EC Final →Problem C
- 07:47, 17 December 2019 diff hist +3 2019 ICPC EC Final →Problem C
- 07:46, 17 December 2019 diff hist +4 2019 ICPC EC Final →Problem C
- 07:46, 17 December 2019 diff hist +3 2019 ICPC EC Final →Problem C
- 07:45, 17 December 2019 diff hist +156 2019 ICPC EC Final →Problem C
- 07:26, 17 December 2019 diff hist -9 2019 ICPC EC Final →Problem C
- 07:26, 17 December 2019 diff hist +1 2019 ICPC EC Final →Problem C
- 07:26, 17 December 2019 diff hist +12 2019 ICPC EC Final →Problem C
- 07:26, 17 December 2019 diff hist +31 2019 ICPC EC Final →Problem C
- 07:24, 17 December 2019 diff hist +40 2019 ICPC EC Final →Problem C
- 07:23, 17 December 2019 diff hist +167 2019 ICPC EC Final →Problem C
- 07:20, 17 December 2019 diff hist +14 2019 ICPC EC Final →Problem C
- 07:20, 17 December 2019 diff hist +174 2019 ICPC EC Final →Problem C
- 07:15, 17 December 2019 diff hist +50 2019 ICPC EC Final →Problem C
- 07:14, 17 December 2019 diff hist -6 2019 ICPC EC Final →Problem C
- 07:14, 17 December 2019 diff hist +81 2019 ICPC EC Final →Problem C
- 07:05, 17 December 2019 diff hist +11 2019 ICPC EC Final →Problem C
- 07:04, 17 December 2019 diff hist +2 2019 ICPC EC Final →Problem C
- 07:04, 17 December 2019 diff hist +13 2019 ICPC EC Final →Problem C
- 07:04, 17 December 2019 diff hist +128 2019 ICPC EC Final →Problem C
- 07:00, 17 December 2019 diff hist +4 2019 ICPC EC Final →Problem A
- 07:00, 17 December 2019 diff hist +238 2019 ICPC EC Final →Problem A
- 06:24, 17 December 2019 diff hist +6 2019 ICPC EC Final →Replay
- 05:52, 17 December 2019 diff hist +3 2019 ICPC EC Final →Replay
- 05:52, 17 December 2019 diff hist +202 2019 ICPC EC Final →Replay
- 14:13, 11 December 2019 diff hist +14 2019 ICPC HongKong Onsite →Problem G
- 10:40, 7 December 2019 diff hist 0 2019 ICPC Nanjing Onsite →Problem B current
- 10:39, 7 December 2019 diff hist +1 2019 ICPC Nanjing Onsite →Problem B
- 10:36, 7 December 2019 diff hist +401 2019 ICPC Nanjing Onsite →Problem B
- 08:48, 7 December 2019 diff hist +249 2019 ICPC Nanjing Onsite →Problem A
- 11:23, 3 December 2019 diff hist +100 2019 ICPC Shanghai Onsite →Replay current
- 11:22, 3 December 2019 diff hist +358 2019 ICPC Shanghai Onsite →Problem E
- 11:19, 3 December 2019 diff hist +499 2019 ICPC Shanghai Onsite →Problem D
- 11:08, 3 December 2019 diff hist +49 2019 ICPC Xuzhou Onsite →Replay
- 10:40, 3 December 2019 diff hist 0 2019 ICPC Xuzhou Onsite →Problem H
- 10:40, 3 December 2019 diff hist +37 2019 ICPC Xuzhou Onsite →Problem H
- 10:40, 3 December 2019 diff hist +1,091 2019 ICPC Xuzhou Onsite →Problem H
- 08:00, 3 December 2019 diff hist +189 2019 ICPC Xuzhou Onsite →Problem H
- 07:53, 3 December 2019 diff hist +471 2019 ICPC Xuzhou Onsite →Problem A
- 07:47, 3 December 2019 diff hist 0 2019 ICPC Xuzhou Onsite →Problem M
- 05:56, 30 November 2019 diff hist -6 2019 ICPC Yinchuan Onsite →Problem L
- 05:56, 30 November 2019 diff hist +193 2019 ICPC Yinchuan Onsite →Problem L
- 05:53, 30 November 2019 diff hist +1 2019 ICPC Yinchuan Onsite →Problem L
- 05:49, 30 November 2019 diff hist +54 2019 ICPC Yinchuan Onsite →Replay
- 09:07, 21 November 2019 diff hist +9 2019 CCPC Final →Problem I current
- 09:06, 21 November 2019 diff hist +424 2019 CCPC Final →Problem L
- 09:03, 21 November 2019 diff hist +9 2019 CCPC Final →Replay
- 09:03, 21 November 2019 diff hist +99 2019 CCPC Final →Replay
- 09:02, 21 November 2019 diff hist +10 2019 CCPC Final →Problem I
- 09:01, 21 November 2019 diff hist +2 2019 CCPC Final →Problem I
- 09:01, 21 November 2019 diff hist +572 2019 CCPC Final →Problem I
- 08:57, 21 November 2019 diff hist +19 2019 CCPC Final →Replay
- 06:01, 22 October 2019 diff hist 0 2019 ICPC Yinchuan Onsite →Problem G
- 05:56, 22 October 2019 diff hist +350 2019 ICPC Yinchuan Onsite →Problem G
- 05:38, 22 October 2019 diff hist +1 2019 ICPC Yinchuan Onsite →Problem D
- 05:38, 22 October 2019 diff hist +1 2019 ICPC Yinchuan Onsite →Problem D
- 05:38, 22 October 2019 diff hist +7 2019 ICPC Yinchuan Onsite →Problem D
- 05:34, 22 October 2019 diff hist +3 2019 ICPC Yinchuan Onsite →Problem F
- 05:33, 22 October 2019 diff hist -2 2019 ICPC Yinchuan Onsite →Problem F
- 05:32, 22 October 2019 diff hist +7 2019 ICPC Yinchuan Onsite →Problem A
- 05:32, 22 October 2019 diff hist +698 2019 ICPC Yinchuan Onsite →Problem A
- 05:20, 22 October 2019 diff hist +264 2019 ICPC Yinchuan Onsite →Replay
- 17:00, 14 October 2019 diff hist +138 2019 CCPC Harbin Onsite →Problem I
- 15:05, 14 October 2019 diff hist -4 2019 CCPC Harbin Onsite →Replay
- 15:04, 14 October 2019 diff hist +180 2019 CCPC Harbin Onsite →Replay
- 15:02, 14 October 2019 diff hist +87 2019 CCPC Harbin Onsite →Replay
- 14:56, 14 October 2019 diff hist +232 2019 CCPC Harbin Onsite →Replay
- 06:46, 7 October 2019 diff hist +6 2018 ICPC Mid-Central Regional →Problem I current
- 06:45, 7 October 2019 diff hist +10 2018 ICPC Mid-Central Regional →Problem I
- 06:45, 7 October 2019 diff hist +1,035 2018 ICPC Mid-Central Regional →Problem I
- 06:36, 7 October 2019 diff hist +461 2018 ICPC Mid-Central Regional →Problem J
- 06:32, 7 October 2019 diff hist +293 2018 ICPC Mid-Central Regional →Problem A
- 07:29, 5 October 2019 diff hist +145 ACM ICPC Asia Nha Trang 2016 Programming Contest →Problem C current
- 07:10, 5 October 2019 diff hist +4 2018 CCPC Jilin Onsite Contest →Problem G
- 07:10, 5 October 2019 diff hist 0 2018 CCPC Jilin Onsite Contest →Problem G
- 07:09, 5 October 2019 diff hist +1 2018 CCPC Jilin Onsite Contest →Problem G
- 07:09, 5 October 2019 diff hist +2 2018 CCPC Jilin Onsite Contest →Problem G
- 07:09, 5 October 2019 diff hist +796 2018 CCPC Jilin Onsite Contest →Problem G
- 06:54, 5 October 2019 diff hist +4 2018 CCPC Jilin Onsite Contest →Problem E
- 06:54, 5 October 2019 diff hist +374 2018 CCPC Jilin Onsite Contest →Problem E
- 06:51, 5 October 2019 diff hist +421 2018 CCPC Jilin Onsite Contest →Problem D
- 09:23, 26 September 2019 diff hist -2 2018 CCPC Jilin Onsite Contest →Problem E
- 11:46, 23 September 2019 diff hist +351 HCW 19 Team Round →Problem L
- 11:43, 23 September 2019 diff hist +355 HCW 19 Team Round →Problem K
- 11:40, 23 September 2019 diff hist +1 HCW 19 Team Round →Problem K
- 11:40, 23 September 2019 diff hist +190 HCW 19 Team Round →Problem K
- 10:44, 23 September 2019 diff hist +158 HCW 19 Team Round →Problem I
- 08:26, 23 September 2019 diff hist +463 HCW 19 Team Round →Problem I
- 08:24, 23 September 2019 diff hist +240 HCW 19 Team Round →Problem F
- 08:22, 23 September 2019 diff hist +188 HCW 19 Team Round →Problem D
- 08:20, 23 September 2019 diff hist -12 HCW 19 Team Round →Problem C
- 08:20, 23 September 2019 diff hist +539 HCW 19 Team Round →Problem C
- 08:16, 23 September 2019 diff hist +349 HCW 19 Team Round →Problem B
- 08:14, 23 September 2019 diff hist +286 HCW 19 Team Round →Problem A
- 10:09, 22 September 2019 diff hist +19 ITMO Chinese Winter Camp Day4 →Problem H current
- 10:08, 22 September 2019 diff hist +17 36th Petrozavodsk Programming Camp, Winter 2019 Day 1 →Problem B
- 12:06, 21 September 2019 diff hist 0 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:56, 21 September 2019 diff hist +33 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:55, 21 September 2019 diff hist +87 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:53, 21 September 2019 diff hist +22 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:53, 21 September 2019 diff hist +1 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:52, 21 September 2019 diff hist -2 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:52, 21 September 2019 diff hist +1 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:52, 21 September 2019 diff hist +2 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:52, 21 September 2019 diff hist +1 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:51, 21 September 2019 diff hist -2 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:51, 21 September 2019 diff hist +51 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem J
- 11:50, 21 September 2019 diff hist +106 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem H
- 11:49, 21 September 2019 diff hist +3 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem G
- 11:49, 21 September 2019 diff hist +80 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem G
- 11:41, 21 September 2019 diff hist +155 2018-2019 ACM-ICPC, Asia Nakhon Pathom Regional Contest →Problem F
- 13:57, 18 September 2019 diff hist +250 XIX Open Cup named after E.V. Pankratiev. Grand Prix of China →Problem C current
- 08:24, 17 September 2019 diff hist +236 ICPC 2019 Shanghai Online Contest →Problem E current
- 08:17, 17 September 2019 diff hist 0 ICPC 2019 Shanghai Online Contest →Problem E
- 08:17, 17 September 2019 diff hist +118 ICPC 2019 Shanghai Online Contest →Problem E
- 08:16, 17 September 2019 diff hist +59 ICPC 2019 Shanghai Online Contest →Problem E
- 08:15, 17 September 2019 diff hist +334 ICPC 2019 Shanghai Online Contest →Problem E
- 07:48, 17 September 2019 diff hist -27 ICPC 2019 Shanghai Online Contest →Problem F
- 07:48, 17 September 2019 diff hist +282 ICPC 2019 Shanghai Online Contest →Problem F
- 07:14, 17 September 2019 diff hist +308 ICPC 2019 Shanghai Online Contest →Problem F
- 07:10, 17 September 2019 diff hist +302 ICPC 2019 Shanghai Online Contest →Problem J
- 06:04, 17 September 2019 diff hist +36 ICPC 2019 Shanghai Online Contest →Problem I
- 06:04, 17 September 2019 diff hist +443 ICPC 2019 Shanghai Online Contest →Problem I
- 06:00, 17 September 2019 diff hist +132 ICPC 2019 Shanghai Online Contest →Problem I
- 05:51, 17 September 2019 diff hist +224 ICPC 2019 Shanghai Online Contest →Problem I
- 05:36, 17 September 2019 diff hist +12 ICPC 2019 Shenyang Online Contest →Problem J current
- 05:36, 17 September 2019 diff hist +561 ICPC 2019 Shenyang Online Contest →Problem J
- 05:27, 17 September 2019 diff hist +211 ICPC 2019 Shenyang Online Contest →Problem K
- 05:23, 17 September 2019 diff hist +2 ICPC 2019 Shenyang Online Contest →Problem K
- 05:22, 17 September 2019 diff hist +2 ICPC 2019 Shenyang Online Contest →Problem K
- 05:22, 17 September 2019 diff hist -1 ICPC 2019 Shenyang Online Contest →Problem K
- 05:21, 17 September 2019 diff hist +194 ICPC 2019 Shenyang Online Contest →Problem K
- 05:18, 17 September 2019 diff hist +241 ICPC 2019 Shenyang Online Contest →Problem G
- 05:16, 17 September 2019 diff hist +12 ICPC 2019 Shenyang Online Contest →Problem F
- 05:16, 17 September 2019 diff hist +284 ICPC 2019 Shenyang Online Contest →Problem F
- 14:04, 12 September 2019 diff hist 0 NULL (2019) →Algorithm Trainings
- 13:55, 12 September 2019 diff hist -1 NULL (2019) →Problems Trainings
- 10:33, 12 September 2019 diff hist -7 Training 5: Dynamic Programming →Problem D
- 05:32, 12 September 2019 diff hist +249 Training 5: Dynamic Programming →Problem D
- 04:44, 12 September 2019 diff hist -17 Training 5: Dynamic Programming →Problem D
- 03:27, 12 September 2019 diff hist +1 Training 5: Dynamic Programming →Problem D
- 03:27, 12 September 2019 diff hist +237 Training 5: Dynamic Programming →Problem D
- 03:17, 12 September 2019 diff hist -1,407 Training 5: Dynamic Programming
- 03:16, 12 September 2019 diff hist -791 Training 5: Dynamic Programming
- 03:16, 12 September 2019 diff hist +2,364 N Training 5: Dynamic Programming Created page with "=== Problem A === 题意: $\sum\limits_{i=1}^{n}\sum\limits_{j=1}^{m}lcm(i,j)$ 题解: 原式=$\sum\limits_{i=1}^{n}\sum\limits_{j=1}^{m}\frac{i \times j}{gcd(i,j)} = \sum\l..."
- 00:45, 12 September 2019 diff hist +21 2019 Multi-University,HDU Day 10 →Problem I current
- 00:45, 12 September 2019 diff hist +23 2019 Multi-University,HDU Day 10 →Problem I
- 00:43, 12 September 2019 diff hist 0 2019 Multi-University,HDU Day 10 →Problem C
- 00:43, 12 September 2019 diff hist +343 2019 Multi-University,HDU Day 10 →Problem C
- 00:39, 12 September 2019 diff hist +251 2019 Multi-University,HDU Day 9 →Problem F current
- 00:37, 12 September 2019 diff hist 0 2019 Multi-University,HDU Day 9
- 00:24, 12 September 2019 diff hist +439 2019 Multi-University,HDU Day 9 →Problem C
- 00:17, 12 September 2019 diff hist 0 ICPC 2019 Xuzhou Online Contest →Problem F
- 00:17, 12 September 2019 diff hist +1 ICPC 2019 Xuzhou Online Contest →Problem F
- 00:17, 12 September 2019 diff hist +1,131 ICPC 2019 Xuzhou Online Contest →Problem F
- 13:54, 11 September 2019 diff hist +1 2019 Multi-University,Nowcoder Day 3 →Problem G current
- 13:52, 11 September 2019 diff hist 0 XVIII Open Cup named after E.V. Pankratiev. Grand Prix of Peterhof →Problem I current
- 13:52, 11 September 2019 diff hist +2 XVIII Open Cup named after E.V. Pankratiev. Grand Prix of Peterhof →Problem J
- 13:36, 11 September 2019 diff hist 0 2019 ByteDance Day2 (Div B) - Moscow Workshops ICPC Programming Camp 2019 →Problem A current
- 13:35, 11 September 2019 diff hist +25 2019 ByteDance Day1 - Moscow Workshops ICPC Programming Camp 2019 →Problem D current
- 13:34, 11 September 2019 diff hist +11 2019 ByteDance Day1 - Moscow Workshops ICPC Programming Camp 2019 →Problem G
- 13:34, 11 September 2019 diff hist +12 2019 ByteDance Day1 - Moscow Workshops ICPC Programming Camp 2019 →Problem E
- 13:20, 11 September 2019 diff hist +35 2016-2017 Codeforces Trainings Season 3 Episode 7(CT S03E07) →Problem D current
- 13:18, 11 September 2019 diff hist 0 ICPC 2019 Nanchang Online Contest →Problem D
- 13:18, 11 September 2019 diff hist +2 ICPC 2019 Nanchang Online Contest →Problem D
- 13:18, 11 September 2019 diff hist +408 ICPC 2019 Nanchang Online Contest →Problem D
- 12:09, 11 September 2019 diff hist +162 ICPC 2019 Nanchang Online Contest →Problem A
- 12:07, 11 September 2019 diff hist +52 ICPC 2019 Nanchang Online Contest →Problem A
- 12:06, 11 September 2019 diff hist +1 ICPC 2019 Nanchang Online Contest →Problem A
- 12:05, 11 September 2019 diff hist +2 ICPC 2019 Nanchang Online Contest →Problem A
- 12:04, 11 September 2019 diff hist +670 ICPC 2019 Nanchang Online Contest →Problem A
- 07:44, 10 September 2019 diff hist -17 ICPC 2019 Xuzhou Online Contest →Problem L
- 07:42, 10 September 2019 diff hist +35 ICPC 2019 Xuzhou Online Contest →Problem L
- 07:41, 10 September 2019 diff hist +1,571 ICPC 2019 Xuzhou Online Contest →Problem L
- 07:23, 10 September 2019 diff hist +397 ICPC 2019 Xuzhou Online Contest →Problem K
- 07:14, 10 September 2019 diff hist -7 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:13, 10 September 2019 diff hist +2 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:13, 10 September 2019 diff hist +8 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:12, 10 September 2019 diff hist +2 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:12, 10 September 2019 diff hist +3 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:12, 10 September 2019 diff hist +26 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:09, 10 September 2019 diff hist +15 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:08, 10 September 2019 diff hist +22 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:08, 10 September 2019 diff hist -10 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:07, 10 September 2019 diff hist +2 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:07, 10 September 2019 diff hist +4 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:07, 10 September 2019 diff hist +1 ICPC 2019 Xuzhou Online Contest →Problem J
- 07:06, 10 September 2019 diff hist +236 ICPC 2019 Xuzhou Online Contest →Problem J
- 06:59, 10 September 2019 diff hist +25 ICPC 2019 Xuzhou Online Contest →Problem J
- 06:53, 10 September 2019 diff hist +11 ICPC 2019 Xuzhou Online Contest →Problem J
- 06:51, 10 September 2019 diff hist -32 ICPC 2019 Xuzhou Online Contest →Problem J
- 06:50, 10 September 2019 diff hist +56 ICPC 2019 Xuzhou Online Contest →Problem J
- 06:49, 10 September 2019 diff hist +332 ICPC 2019 Xuzhou Online Contest →Problem J
- 06:38, 10 September 2019 diff hist +76 ICPC 2019 Xuzhou Online Contest →Problem D
- 06:37, 10 September 2019 diff hist 0 ICPC 2019 Xuzhou Online Contest →Problem D
- 06:37, 10 September 2019 diff hist +163 ICPC 2019 Xuzhou Online Contest →Problem D
- 06:35, 10 September 2019 diff hist 0 ICPC 2019 Xuzhou Online Contest →Problem A
- 06:34, 10 September 2019 diff hist +387 ICPC 2019 Xuzhou Online Contest →Problem A
- 06:30, 10 September 2019 diff hist +271 ICPC 2019 Nanjing Online Contest →Problem H current
- 06:28, 10 September 2019 diff hist +306 ICPC 2019 Nanjing Online Contest →Problem D
- 06:23, 10 September 2019 diff hist +1 ICPC 2019 Nanjing Online Contest →Problem D
- 06:23, 10 September 2019 diff hist +382 ICPC 2019 Nanjing Online Contest →Problem D
- 08:24, 9 September 2019 diff hist +932 2019 Multi-University,Nowcoder Day 10 →Problem F current
- 08:17, 9 September 2019 diff hist 0 2019 Multi-University,Nowcoder Day 10 →Problem E
- 08:17, 9 September 2019 diff hist +262 2019 Multi-University,Nowcoder Day 10 →Problem E
- 08:13, 9 September 2019 diff hist +1,039 2019 Multi-University,Nowcoder Day 10 →Problem A
- 07:59, 9 September 2019 diff hist +8 2019 Multi-University,Nowcoder Day 10 →Problem D
- 07:52, 9 September 2019 diff hist +20 2019 Multi-University,Nowcoder Day 10 →Problem A
- 07:51, 9 September 2019 diff hist +577 2019 Multi-University,Nowcoder Day 9 →Problem J current
- 07:38, 9 September 2019 diff hist +5 2019 Multi-University,Nowcoder Day 3 →Problem C
- 07:37, 9 September 2019 diff hist +401 2019 Multi-University,Nowcoder Day 3 →Problem C
- 07:33, 9 September 2019 diff hist +590 2019 Multi-University,Nowcoder Day 3 →Problem C
- 07:16, 9 September 2019 diff hist -21 2015-2016 ACM-ICPC East Central North America Regional Contest →Problem H current
- 07:16, 9 September 2019 diff hist +11 2015-2016 ACM-ICPC East Central North America Regional Contest →Problem H
- 07:15, 9 September 2019 diff hist -36 XVIII Open Cup named after E.V. Pankratiev. Grand Prix of Korea →Problem C current
- 07:14, 9 September 2019 diff hist -6 2019 Sun Yat-sen University Programming Contest →Problem J current
- 07:09, 9 September 2019 diff hist +2 2019 ByteDance Day1 - Moscow Workshops ICPC Programming Camp 2019 →Problem A
- 13:17, 5 September 2019 diff hist +4 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem M
- 13:51, 4 September 2019 diff hist +56 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:50, 4 September 2019 diff hist 0 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:50, 4 September 2019 diff hist +89 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:48, 4 September 2019 diff hist -7 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:48, 4 September 2019 diff hist -7 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:48, 4 September 2019 diff hist +2 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:47, 4 September 2019 diff hist +60 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:45, 4 September 2019 diff hist +4 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:44, 4 September 2019 diff hist 0 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:43, 4 September 2019 diff hist +7 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:43, 4 September 2019 diff hist +55 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:41, 4 September 2019 diff hist +72 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:38, 4 September 2019 diff hist +508 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem F
- 13:04, 4 September 2019 diff hist +5 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem M
- 13:04, 4 September 2019 diff hist +457 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem M
- 12:56, 4 September 2019 diff hist 0 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem M
- 12:56, 4 September 2019 diff hist +84 XIX Open Cup named after E.V. Pankratiev. Grand Prix of America →Problem M