QOJ.ac

QOJ

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hos.lyric🐇

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3500

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格言

$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$

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AC 过的题目：共 1607 道题

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Tried problems：共 84 道题

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Authored Problems：共 0 道题

无

Virtual Participations：共 109 场比赛

Name	Start time
2024 清华大学学生程序设计竞赛暨高校邀请赛（THUPC 2024）决赛	2025-04-08 00:00:07
2024-2025 集训队互测 Round 17 (Nov 22, 2024)	2025-03-10 05:30:10
2024-2025 集训队互测 Round 16 (Nov 19, 2024)	2025-02-12 11:00:00
2024-2025 集训队互测 Round 15 (Nov 17, 2024)	2025-02-11 09:00:58
2024-2025 集训队互测 Round 14 (Nov 15, 2024)	2025-02-05 12:01:20
2024-2025 集训队互测 Round 13 (Nov 12, 2024)	2025-01-17 07:00:00
2024-2025 集训队互测 Round 12 (Nov 10, 2024)	2025-01-10 13:00:06
2024-2025 集训队互测 Round 11 (Nov 8, 2024)	2025-01-09 11:00:02
3 October, 2021 — Waterloo local contest	2024-12-05 18:00:00
The 2024 ICPC Asia East Continent Online Contest (I)	2024-11-22 22:15:00
2016 浙江省队选拔赛 Day 2 (ZJOI 2016 Day 2)	2024-11-18 20:00:03
2016 浙江省队选拔赛 Day 1 (ZJOI 2016 Day 1)	2024-11-14 02:00:11
2024-2025 集训队互测 Round 10 (Nov 5, 2024)	2024-11-12 10:00:01
2024-2025 集训队互测 Round 9 (Nov 3, 2024)	2024-11-11 13:00:02
2024-2025 集训队互测 Round 8 (Nov 1, 2024)	2024-11-07 21:00:06
2024-2025 集训队互测 Round 7 (Oct 29, 2024)	2024-11-07 05:00:02
2024 陕西省队选拔赛 Day 2 (SNOI 2024 Day 2)	2024-11-06 03:00:15
2024-2025 集训队互测 Round 6 (Oct 27, 2024)	2024-11-05 15:00:07
2024 陕西省队选拔赛 Day 1 (SNOI 2024 Day 1)	2024-11-01 22:30:00
2024-2025 集训队互测 Round 5 (Oct 25, 2024)	2024-11-01 05:00:03
2024-2025 集训队互测 Round 4 (Oct 22, 2024)	2024-10-31 06:00:04
2024-2025 集训队互测 Round 3 (Oct 20, 2024)	2024-10-29 10:00:05
2024-2025 集训队互测 Round 2 (Oct 19, 2024)	2024-10-22 22:00:01
2024-2025 集训队互测 Round 1 (Oct 15, 2024)	2024-10-17 14:59:59
2024 清华大学学生程序设计竞赛暨高校邀请赛（THUPC 2024）初赛	2024-10-15 23:00:01
2022 安徽省队选拔赛 (AHOI 2022)	2024-10-14 20:30:00
(China) National Olympiad in Informatics 2024 Day 2	2024-07-29 15:59:59
(China) National Olympiad in Informatics 2024 Day 1	2024-07-24 04:59:57
2024 小青鱼训练中心 NOI Training Contest #3: Tedious Contest	2024-07-11 07:00:03
2024 小青鱼训练中心 NOI Training Contest #2: :qingyu5: Contest	2024-07-08 08:59:58
2024 小青鱼训练中心 NOI Training Contest #1: jqdai Contest	2024-06-28 04:30:09
2024 小青鱼训练中心 Contest #9: qazswedx Contest	2024-05-20 23:30:09
2024 小青鱼训练中心 Contest #8: Shandong PTT Contest 2 by Walker Shi	2024-05-20 03:00:10
2024 小青鱼训练中心 Contest #7: CDQZ Contest	2024-05-13 19:29:56
2024 小青鱼训练中心 Contest #6: Haoba Contest 2	2024-05-09 22:59:59
2024 小青鱼训练中心 Contest #5: HZEZ Contest	2024-05-03 01:00:01
2024 小青鱼训练中心 Contest #4: fateice Contest	2024-05-01 11:45:04
2024 小青鱼训练中心 Contest #3: Haoba Contest 1	2024-05-01 03:45:00
2024 小青鱼训练中心 Contest #2: Shandong PTT Contest	2024-04-30 09:14:59
2024 小青鱼训练中心 Contest #1: jiangly Contest	2024-04-25 09:00:00
2022 山东·山西省队选拔赛二试 (SDOI 2022 Round 2)	2024-02-05 18:59:59
2022 山东·山西省队选拔赛一试 (SDOI 2022 Round 1)	2024-02-02 22:00:01
集训队互测 2015 Round 1	2024-01-22 21:30:00
集训队互测 2018 Round 1	2024-01-21 16:59:58
2023-2024 集训队互测 Round 17 (Nov 30, 2023)	2024-01-16 16:00:08
2023-2024 集训队互测 Round 16 (Nov 28, 2023)	2024-01-11 11:00:01
2023-2024 集训队互测 Round 15 (Nov 26, 2023)	2024-01-10 17:45:04
2023-2024 集训队互测 Round 14 (Nov 25, 2023)	2023-12-11 12:16:14
2023-2024 集训队互测 Round 13 (Nov 23, 2023)	2023-11-27 10:26:33
2023-2024 集训队互测 Round 12 (Nov 21, 2023)	2023-11-23 10:52:30
2023-2024 集训队互测 Round 11 (Nov 19, 2023)	2023-11-22 03:27:49
2023-2024 集训队互测 Round 10 (Nov 16, 2023)	2023-11-21 11:34:04
2023-2024 集训队互测 Round 9 (Nov 14, 2023)	2023-11-17 08:00:02
2023-2024 集训队互测 Round 8 (Nov 12, 2023)	2023-11-15 08:04:59
2023-2024 集训队互测 Round 7 (Nov 11, 2023)	2023-11-13 07:30:08
2023-2024 集训队互测 Round 6 (Nov 9, 2023)	2023-11-10 17:30:14
2023-2024 集训队互测 Round 5 (Nov 7, 2023)	2023-11-09 22:59:14
2023-2024 集训队互测 Round 4 (Nov 5, 2023)	2023-11-08 18:30:33
2023-2024 集训队互测 Round 3 (Nov 4, 2023)	2023-11-08 02:32:28
2023-2024 集训队互测 Round 2 (Oct 29, 2023)	2023-11-06 13:00:23
2023-2024 集训队互测 Round 1 (Oct 28, 2023)	2023-11-02 16:03:19
2022-2023 集训队互测 Round 15 (Dec 2, 2022)	2023-10-24 18:59:39
2022-2023 集训队互测 Round 14 (Nov 30, 2022)	2023-10-24 00:00:16
2022-2023 集训队互测 Round 13 (Dec 3, 2022)	2023-10-23 05:30:26
2022-2023 集训队互测 Round 12 (Nov 29, 2022)	2023-10-20 07:01:31
2022-2023 集训队互测 Round 11 (Nov 22, 2022)	2023-10-19 09:30:49
2022-2023 集训队互测 Round 10 (Nov 20, 2022)	2023-10-13 10:16:21
2022-2023 集训队互测 Round 9 (Nov 19, 2022)	2023-10-12 09:50:40
2022-2023 集训队互测 Round 8 (Nov 17, 2022)	2023-10-11 10:00:10
2022-2023 集训队互测 Round 7 (Nov 13, 2022)	2023-10-11 01:45:45
2022-2023 集训队互测 Round 6 (Nov 12, 2022)	2023-10-09 23:10:18
2022-2023 集训队互测 Round 5 (Nov 9, 2022)	2023-10-09 08:00:02
2022-2023 集训队互测 Round 4 (Nov 6, 2022)	2023-10-06 04:07:13
2022-2023 集训队互测 Round 3 (Nov 4, 2022)	2023-10-05 04:45:14
2022-2023 集训队互测 Round 2 (Nov 1, 2022)	2023-10-03 10:03:59
2022-2023 集训队互测 Round 1 (Oct 30, 2022)	2023-09-30 07:06:01
2021 集训队互测 Round 12	2023-09-28 02:30:08
2021 集训队互测 Round 11	2023-09-27 08:08:33
2021 集训队互测 Round 10	2023-09-26 04:03:30
2021 集训队互测 Round 9	2023-09-25 16:00:41
2021 集训队互测 Round 8	2023-09-24 07:30:02
2021 集训队互测 Round 7	2023-09-22 07:30:12
2021 集训队互测 Round 6	2023-09-21 13:00:26
2021 集训队互测 Round 5	2023-09-20 04:00:33
2021 集训队互测 Round 4	2023-09-19 05:00:07
2021 集训队互测 Round 3	2023-09-18 04:30:11
2021 集训队互测 Round 2	2023-09-17 05:30:13
2021 集训队互测 Round 1	2023-09-16 04:00:07
(China) National Olympiad in Informatics 2017 Day 2	2023-09-15 11:15:13
(China) National Olympiad in Informatics 2017 Day 1	2023-09-15 09:00:03
(China) National Olympiad in Informatics 2018 Day 2	2023-09-15 00:00:11
(China) National Olympiad in Informatics 2018 Day 1	2023-09-14 06:00:41
(China) National Olympiad in Informatics 2019 Day 2	2023-09-13 22:02:07
(China) National Olympiad in Informatics 2019 Day 1	2023-09-13 04:00:20
(China) National Olympiad in Informatics 2020 Day 2	2023-09-07 14:00:19
International Olympiad in Informatics 2023 Day 2	2023-09-04 15:30:35
International Olympiad in Informatics 2023 Day 1	2023-09-01 14:00:37
(China) National Olympiad in Informatics 2020 Day 1	2023-08-27 14:03:26
(China) National Olympiad in Informatics 2021 Day 2	2023-08-25 12:00:03
(China) National Olympiad in Informatics 2021 Day 1	2023-08-24 14:00:12
(China) National Olympiad in Informatics 2022 Day 2	2023-08-22 02:00:05
(China) National Olympiad in Informatics 2022 Day 1	2023-08-20 01:30:38
(China) National Olympiad in Informatics 2023 Day 2	2023-08-09 21:10:43
(China) National Olympiad in Informatics 2023 Day 1	2023-08-03 08:30:51
Public NOIP Round #5 (Div. 1, 提高)	2023-07-26 03:00:03
2018 浙江省队选拔赛 Day 2 (ZJOI 2018 Day 2)	2023-06-16 05:25:19
IOI 2023 中国国家队选拔第一试 (CTS 2023 Day 1)	2023-05-01 10:31:00
Public NOIP Round #2 (Div. 1, 提高)	2022-10-13 07:40:31
Public NOIP Round #1 (Div. 1, 提高)	2022-10-11 19:03:09