• User''s contest rating in Codeforces community Contest rating: 1229 (max. pupil, 1229)
  • User''s contribution into Codeforces community Contribution: 0
  • Friend of: 1 user
  • Last visit: 9 months ago
  • Registered: 3 years ago
  • 2020chenhaoyans comments Comments
  • Your talks with 2020chenhaoyan Talks | Send message