4 Kyu
welken

Country/Region	China
Birth Year	2005
Codeforces ID	welken

Contest Status

• Algorithm
• Heuristic

Rank	10535th (Top 8.22%)
Rating	1207
Highest Rating	1287 ― 4 Kyu (+113 to promote)
Rated Matches	21
Last Competed	2026/07/12

Competition History Last Contest Result