Qiyu Cai aka rui_er

Accounts

2240
rui_er 		131 #1265
2600
rui_er 		92 #884
2005
rui_er 		80 #401
3253
rui_er 		73 #41
2328
rui_er 		10 #1145
25936
ruier 		6 #1401
1513
rui_er 		2 #2150
1564
rui_er 		2 #5188

Writer

Date Event
April 30, 2024
 Codeforces Round 942 (Div. 2)
April 30, 2024
 Codeforces Round 942 (Div. 1)
April 8, 2023
 Codeforces Round 864 (Div. 2)

Ratings

{'host': 'atcoder.jp', 'pk': 93, 'icon': 'img/resources/atcoder_jp.png', 'kind': None}
8 more
{'host': 'atcoder.jp', 'pk': 93, 'icon': 'img/resources/atcoder_jp.png', 'kind': 'heuristic'}
{'host': 'codeforces.com', 'pk': 1, 'icon': 'img/resources/codeforces_com.png', 'kind': None}
{'host': 'luogu.com.cn', 'pk': 162, 'icon': 'img/resources/luogu_com_cn.png', 'kind': None}
{'host': 'leetcode.com', 'pk': 102, 'icon': 'img/resources/leetcode_com.png', 'kind': None}
{'host': 'codechef.com', 'pk': 2, 'icon': 'img/resources/codechef_com.png', 'kind': None}
{'host': 'codingame.com', 'pk': 81, 'icon': 'img/resources/codingame_com.png', 'kind': None}
{'host': 'uoj.ac', 'pk': 172, 'icon': 'img/resources/uoj_ac.ico', 'kind': None}
{'host': 'topcoder.com', 'pk': 12, 'icon': 'img/resources/topcoder_com.png', 'kind': None}

Contests

Rank Score Rating Date Event
393
2.071e+9 ·
June 9, 2025
 MC Digital Programming Contest 2025 (AtCoder Heuristic Contest 048) A
—
· ·
May 17, 2025
 Codeforces Round 1025 (Div. 2) A B C1 C2 C3 D E F
186
2200
2240 8
May 4, 2025
 AtCoder Regular Contest 197 (Div. 2) A B C D E
378
208076
1940 3
April 26, 2025
 BrainPad Programming Contest 2025 （AtCoder Heuristic Contest 046） A
290
19
3178 75
April 13, 2025
 Weekly Contest 445 Q1 Q2 Q3 Q4
922
1450 ·
April 12, 2025
 AtCoder Beginner Contest 401 A B C D E F G
22
370 ·
April 12, 2025
 【MX-J13】梦熊 J 组 · 鹿赛 & 蓬莱人形 Round 1（同步赛） [rated, ioi] A B C D E
44
7702 ·
April 11, 2025
 【LGR-220-Div.4】洛谷入门赛 #34 [rated, ioi] A B C D E F G H
594
1.519e+12
1942 1
April 7, 2025
 THIRD PROGRAMMING CONTEST 2025（AtCoder Heuristic Contest 045） A A-Final
42
1636 ·
April 6, 2025
 【LGR-(-25)】2025 年洛谷愚人节比赛 / April Fool's Contest [ioi] A B C D E F G H I J K L M N O P Q R S T U V W X
more