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→ Contest materials
Problem I - Koishi Is Number One
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 376983343 | Jun/02/2026 10:50 |
 吉林大学 - 雪泥鸿爪 - 邱天, 席乐媛, 栗铭远 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983398 | Jun/02/2026 10:50 |
吉林大学 - 故障吉奇人 - 于之航, 陈鹏旭, 徐梓博 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983424 | Jun/02/2026 10:50 |
东北师范大学附属中学 - SET.部乐俱技竞子电搏滔 - 刘瀚博, 许朝博, 王诏平 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983445 | Jun/02/2026 10:50 |
东北师范大学 - 咔咔！！！ - 周文琦, 张步豪, 郭宇政 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983574 | Jun/02/2026 10:50 |
吉林大学 - 迷途之子 - 唐德睿, 毛胜超, 石津豪 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983580 | Jun/02/2026 10:50 |
长春理工大学 - 海陆空红黄蓝与或非 - 黄炳睿, 唐海原, 周易非 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983589 | Jun/02/2026 10:50 |
吉林大学 - 请输入代码 - 张力文, 刘子涵, 李书航 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983614 | Jun/02/2026 10:50 |
吉林大学 - 九尾黑白猫 - 赵星宇, 黄茁恒, 李九思 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983655 | Jun/02/2026 10:50 |
长春理工大学 - 是长理不是厂里 - 罗卫泽, 徐瑞奇, 骆柏荣 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983716 | Jun/02/2026 10:50 |
吉林大学 - 超级省电模式 - 蒋硕阳, 佘嘉雄, 陈思潮 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983758 | Jun/02/2026 10:50 |
吉林大学 - 未央星 - 拱垲, 张健哲, 袁英麒 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983777 | Jun/02/2026 10:50 |
吉林大学 - 哈基米南北绿队 - 于翔, 孔泉智, 范俊廷 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983833 | Jun/02/2026 10:50 |
吉林毓文中学 - HAL9000 - 韩沐轩, 董谨榕, 李昊翀 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983840 | Jun/02/2026 10:50 |
吉林大学 - 幻日 - 刘鑫宇, 龙麒旭, 杨翔宇 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983843 | Jun/02/2026 10:50 |
北华大学 - 关注永雏塔菲、灰泽满谢谢喵 - 朱道阳, 张珈铭, 赵文浩 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983847 | Jun/02/2026 10:50 |
东北师范大学 - 暴力能解绝不优化 - 李克强, 杨鑫山, 戴云磊 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983853 | Jun/02/2026 10:50 |
长春工业大学 - 岁月静好 - 饶晟烨, 陈柯嵩, 刘明昊 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983909 | Jun/02/2026 10:50 |
吉林大学 - 火箭毛毛虫 - 康德润, 刘雅奇, 朱明昊 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983992 | Jun/02/2026 10:50 |
东北师范大学 - 克劳德4.7 - 张稷穗, 赵新睿, 缪弘毅 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376983995 | Jun/02/2026 10:50 |
长春理工大学 - 竹林三闲 - 杨蕊竹, 李权澎, 徐新雨 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984009 | Jun/02/2026 10:50 |
长春理工大学 - 永远是AC有多好 - 尧峻毅, 刘国涵, 聂子运 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984053 | Jun/02/2026 10:50 |
吉林大学 - 从零开始 - 申名扬, 戴嘉浩, 张海鹏 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984068 | Jun/02/2026 10:50 |
吉林大学 - 交流障碍星人 - 刘昱, 王宗凡, 欧阳承风 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984085 | Jun/02/2026 10:50 |
吉林大学 - 醉星河 - 何旭, 林辰旭, 林钰博 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984107 | Jun/02/2026 10:50 |
长春理工大学 - 青春custer不会遇见acm学姐 - 满统勋, 何宇航, 刘晋源 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984266 | Jun/02/2026 10:50 |
吉林大学 - 擅长AK的高木同学 - 钟姝伶, 庄锦浩, 韩洋 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984283 | Jun/02/2026 10:50 |
长春理工大学 - 芭比工组 - 杨锴, 郭语琪, 赵金妍 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984367 | Jun/02/2026 10:50 |
长春工业大学 - 未掘宝石 - 叶俊捷, 吴贻炫, 王昱显 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984436 | Jun/02/2026 10:50 |
延边大学 - 我根本不会算法,我只会乱按键盘 - 陈子谦, 成子鸣, 邹田惠雨 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984528 | Jun/02/2026 10:50 |
吉林大学 - 告白氧球 - 席佳阳, 高赫, 白瑞秋 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984608 | Jun/02/2026 10:50 |
长春工程学院 - 昱石博击 - 孙梓博, 宋昱, 石其赛 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984618 | Jun/02/2026 10:50 |
吉林大学 - AC再快也还是86 - 余赫, 常易铭, 肖子豪 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984628 | Jun/02/2026 10:50 |
长春大学 - 打完回家玩超级好玩的我的世界有没有懂的 - 韩一鸣, 沈宇泽, 章晨波 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984657 | Jun/02/2026 10:50 |
吉林大学 - 未央星 - 拱垲, 张健哲, 袁英麒 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 376984716 | Jun/02/2026 10:50 |
长春工业大学 - 岁月静好 - 饶晟烨, 陈柯嵩, 刘明昊 |
I - Koishi Is Number One | Unknown | Accepted | 0 ms | 0 KB |
| 388536662 | Aug/27/2026 09:33 | 无球六不改名: MX_muxi, yangziwen, MEAXQ# | I - Koishi Is Number One | C++23 (GCC 14-64, msys2) | Accepted | 484 ms | 4700 KB |
| 387212496 | Aug/16/2026 03:44 | zhanghongming | I - Koishi Is Number One | C++23 (GCC 14-64, msys2) | Accepted | 234 ms | 7000 KB |
| 384475724 | Jul/27/2026 10:15 | CaiXY06 | I - Koishi Is Number One | C++20 (GCC 13-64) | Accepted | 281 ms | 15100 KB |
| 377083466 | Jun/03/2026 08:35 | lfx-9877 | I - Koishi Is Number One | C++23 (GCC 14-64, msys2) | Accepted | 218 ms | 27300 KB |
| 384597211 | Jul/28/2026 10:12 | MLE==RE?: fayz_lhy, IQoQI, hvs_1234# | I - Koishi Is Number One | C++17 (GCC 7-32) | Accepted | 687 ms | 4800 KB |
| 377166928 | Jun/03/2026 17:54 | 25软工C2: Doroshi, AlfredGit, Katrina55553# | I - Koishi Is Number One | PyPy 3-64 | Accepted | 437 ms | 74800 KB |
| 379195152 | Jun/17/2026 07:54 | Sahara_100 | I - Koishi Is Number One | C++23 (GCC 14-64, msys2) | Accepted | 171 ms | 0 KB |
| 377270948 | Jun/04/2026 13:44 | jyt66666 | I - Koishi Is Number One | C++17 (GCC 7-32) | Accepted | 921 ms | 5700 KB |
| 388583273 | Aug/27/2026 17:41 | Cold_xiche | I - Koishi Is Number One | C++23 (GCC 14-64, msys2) | Accepted | 343 ms | 22100 KB |
| 381208226 | Jul/04/2026 10:33 | mnrt in brain: LIPUZHOU, cdfrs# | I - Koishi Is Number One | C++17 (GCC 7-32) | Accepted | 203 ms | 2400 KB |
| 378311124 | Jun/12/2026 16:45 | big-mktx | I - Koishi Is Number One | C++23 (GCC 14-64, msys2) | Accepted | 281 ms | 9400 KB |
| 388547281 | Aug/27/2026 11:34 | cpwh | I - Koishi Is Number One | C++17 (GCC 7-32) | Accepted | 187 ms | 31400 KB |
| 377374792 | Jun/05/2026 12:32 | xcpc feeling: HoshiYougi, chyoffline, R0sent# | I - Koishi Is Number One | C++23 (GCC 14-64, msys2) | Accepted | 750 ms | 11800 KB |
| 379354681 | Jun/18/2026 16:53 | AkaiLemon | I - Koishi Is Number One | C++20 (GCC 13-64) | Accepted | 171 ms | 11800 KB |
| 383728021 | Jul/21/2026 18:40 | ZhihuaXie | I - Koishi Is Number One | C++23 (GCC 14-64, msys2) | Accepted | 234 ms | 15200 KB |
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