Charles Ran aka polarity

Accounts

Ratings

codeforces.com 894410 cran
2 more
dmoj.ca 6855227 polarity
leetcode.com 8365152 Charles Ran

Contests

Rank Score Rating Date Event
179
35.96 ·
Jan. 31, 2026
 The 4th Universal Cup. Rating Korolyov Paris Polar Chengdu Nanjing Shenyang Zhengzhou Poland Jinan Wrocław Southeast… Shanghai Ōokayama
799
17
2306 0
Jan. 11, 2026
 Weekly Contest 484 Q1 Q2 Q3 Q4
—
· ·
Dec. 29, 2025
 Educational Codeforces Round 186 (Rated for Div. 2) A B C D E F1 F2 G
328
7555
2245 73
Dec. 27, 2025
 Good Bye 2025 A B C D E F G H I
33
400
2102 85
Dec. 25, 2025
 An Advanced Algorithmic Assessment 1. Rated 1 2 3 4 5 6
2542
4 ·
Dec. 23, 2025
 Codeforces Round 1071 (Div. 3) A B C D E F G H
—
· ·
Dec. 19, 2025
 Codeforces Global Round 31 (Div. 1 + Div. 2) A B C D E F1 F2 G H1 H2
—
· ·
Dec. 17, 2025
 2025-2026 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) A B C D E F G H I J K L M
—
· ·
Dec. 11, 2025
 Codeforces Round 1070 (Div. 2) A B C D E F
—
· ·
Dec. 5, 2025
 Codeforces Round 1068 (Div. 2) A B C D E F
more