Grandmaster

sys.

Yushen Shi, Xi'an, China
  • User''s contest rating in Codeforces community Contest rating: 2471 (max. international grandmaster, 2669)
  • User''s contribution into Codeforces community Contribution: +3
  • Friend of: 401 users
  • Email 3570912140@qq.com
  • Last visit: 4 weeks ago
  • Registered: 7 years ago
  • sys.'s blog Blog entries (4), comments
  • Your talks with sys. Talks | Send message