Qiyu Cai aka rui_er

Accounts

2240
rui_er 		137 #1278
2600
rui_er 		93 #897
2064
rui_er 		83 #279
3253
rui_er 		73 #41
2328
rui_er 		10 #1151
28521
ruier 		7 #1244
1564
rui_er 		2 #5188
1513
rui_er 		2 #2301

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': 'topcoder.com', 'pk': 12, 'icon': 'img/resources/topcoder_com.png', 'kind': None}
{'host': 'uoj.ac', 'pk': 172, 'icon': 'img/resources/uoj_ac.ico', 'kind': None}

Contests

Rank Score Rating Date Event
69
2025 ·
yesterday
 AtCoder Beginner Contest 419 A B C D E F G
1236
9.65 ·
July 28, 2025
 Summer Challenge 2025
553
1500 ·
July 26, 2025
 AtCoder Beginner Contest 416 A B C D E F G
77
2600 ·
July 19, 2025
 Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) A B C D E F G
7
6856 ·
July 18, 2025
 【LGR-233-Div.4】洛谷入门赛 #37 [rated, ioi] A B C D E F G H
43
340 ·
July 13, 2025
 【LGR-231-Div.3】洛谷基础赛 #24 & CZOI Round 4 [rated, ioi] A B C D
56
2575 ·
July 5, 2025
 Denso Create Programming Contest 2025（AtCoder Beginner Contest 413） A B C D E F G
41
2650 ·
June 21, 2025
 UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) A B C D E F G
54
4617 ·
June 15, 2025
 Codeforces Round 1031 (Div. 2) A B C D E F
116
2550 ·
June 14, 2025
 AtCoder Beginner Contest 410 A B C D E F G
more