5 Kyu
usedchang

Country/Region	China
Birth Year	2006
Codeforces ID	usedchang

Contest Status

• Algorithm
• Heuristic

Rank	12378th (Top 9.65%)
Rating	1123
Highest Rating	1123 ― 5 Kyu (+77 to promote)
Rated Matches	65
Last Competed	2026/07/18

Competition History Last Contest Result