7 Kyu
HappyCoder

Country/Region	Japan
Birth Year	2004
Affiliation	Keio University

Contest Status

• Algorithm
• Heuristic

Rank	25315th
Rating	649
Highest Rating	687 ― 7 Kyu (+113 to promote)
Rated Matches	38
Last Competed	2025/12/13

Competition History Last Contest Result