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- 07:14, 25 October 2018 diff hist -10 2018 Multi-University Training Contest 10 →Problem G
- 07:13, 25 October 2018 diff hist -20 2018 Multi-University Training Contest 10 →Problem J
- 07:13, 25 October 2018 diff hist -378 2018 Multi-University Training Contest 10 →Problem I
- 07:13, 25 October 2018 diff hist -112 2018 Multi-University Training Contest 10 →Problem H
- 07:13, 25 October 2018 diff hist -20 2018 Multi-University Training Contest 10 →Problem L
- 07:11, 25 October 2018 diff hist -1,568 2018 Multi-University Training Contest 10 →Problem A
- 07:11, 25 October 2018 diff hist +4,903 N 2018 Multi-University Training Contest 10 Created page with "== Problem A == Upsolved by ultmaster. 题意：求烷烃、烷基的同分异构体数量。 题解：仔细论证 / OEIS 可以得到烷基个数有生成函数 $A(x) = 1..."
- 02:12, 21 October 2018 diff hist -7 2015 ACM-ICPC Asia Beijing Regional Contest →Problem K current
- 13:19, 15 October 2018 diff hist +137 2018 ACM-ICPC Asia Nanjing Regional Contest →Replay
- 13:14, 15 October 2018 diff hist +289 2018 ACM-ICPC Asia Nanjing Regional Contest →Problem G
- 13:09, 15 October 2018 diff hist +154 2018 ACM-ICPC Asia Nanjing Regional Contest →Problem A
- 03:14, 15 October 2018 diff hist +322 2018 ACM-ICPC Asia Nanjing Regional Contest →Problem I
- 03:07, 15 October 2018 diff hist +146 2018 ACM-ICPC Asia Nanjing Regional Contest →Problem J
- 03:06, 15 October 2018 diff hist +34 2018 ACM-ICPC Asia Nanjing Regional Contest →Problem I
- 14:10, 10 October 2018 diff hist +1 One,Two,Three,AK (2018) →Trainings
- 14:10, 10 October 2018 diff hist 0 One,Two,Three,AK (2018) →Trainings
- 02:34, 10 October 2018 diff hist +416 2017-2018 ACM-ICPC, Asia Daejeon Regional Contest →Problem L current
- 02:31, 10 October 2018 diff hist 0 One,Two,Three,AK (2018) →Trainings
- 13:19, 9 October 2018 diff hist +1 One,Two,Three,AK (2018) →Trainings
- 13:18, 9 October 2018 diff hist +602 2017-2018 ACM-ICPC, Asia Daejeon Regional Contest →Problem A
- 04:53, 8 October 2018 diff hist +586 ACM-ICPC 2015 Asia Tsukuba Regional →Problem F current
- 04:46, 8 October 2018 diff hist +1 ACM-ICPC 2015 Asia Tsukuba Regional →Problem E
- 04:46, 8 October 2018 diff hist -26 ACM-ICPC 2015 Asia Tsukuba Regional →Problem E
- 04:46, 8 October 2018 diff hist -21 ACM-ICPC 2015 Asia Tsukuba Regional →Problem E
- 04:45, 8 October 2018 diff hist +578 ACM-ICPC 2015 Asia Tsukuba Regional →Problem E
- 04:34, 8 October 2018 diff hist 0 One,Two,Three,AK (2018) →Trainings
- 04:31, 8 October 2018 diff hist 0 Mashup Trainings Day 3: F0RE1GNERS' Contest →Problem B
- 04:30, 8 October 2018 diff hist +164 Mashup Trainings Day 3: F0RE1GNERS' Contest →Problem B
- 04:27, 8 October 2018 diff hist +477 Mashup Trainings Day 3: F0RE1GNERS' Contest →Problem B
- 04:21, 8 October 2018 diff hist +355 Mashup Trainings Day 3: F0RE1GNERS' Contest →Problem A
- 14:03, 7 October 2018 diff hist +202 ACM-ICPC 2015 Asia Tsukuba Regional →Problem D
- 14:02, 7 October 2018 diff hist +260 ACM-ICPC 2015 Asia Tsukuba Regional →Problem C
- 14:00, 7 October 2018 diff hist +189 ACM-ICPC 2015 Asia Tsukuba Regional →Problem B
- 13:58, 7 October 2018 diff hist 0 ACM-ICPC 2015 Asia Tsukuba Regional →Problem C
- 03:37, 6 October 2018 diff hist +161 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem J
- 03:29, 6 October 2018 diff hist +397 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem B
- 03:24, 6 October 2018 diff hist +178 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem D
- 03:23, 6 October 2018 diff hist +21 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem L
- 03:22, 6 October 2018 diff hist +311 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem F
- 14:36, 5 October 2018 diff hist +225 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem H
- 14:29, 5 October 2018 diff hist +139 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem H
- 14:27, 5 October 2018 diff hist +571 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem I
- 14:12, 5 October 2018 diff hist -896 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem A
- 14:11, 5 October 2018 diff hist +896 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem A
- 13:53, 5 October 2018 diff hist +436 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem A
- 13:48, 5 October 2018 diff hist +15 2018 ECNU AK ICPC/CCPC Typing Speed Contest →Problem H
- 13:48, 5 October 2018 diff hist 0 One,Two,Three,AK (2018) →Trainings
- 09:12, 4 October 2018 diff hist -4 2018 ECNU One,Two,Three,AK's ICPC/CCPC Training Contest →补题建议
- 08:01, 4 October 2018 diff hist +228 2018 ECNU One,Two,Three,AK's ICPC/CCPC Training Contest →Problem I
- 06:21, 4 October 2018 diff hist +1 One,Two,Three,AK (2018) →Trainings