• User''s contest rating in Codeforces community Contest rating: 1428 (max. specialist, 1428)
  • User''s contribution into Codeforces community Contribution: -5
  • Friend of: 6 users
  • Last visit: 10 hours ago
  • Registered: 13 months ago
  • chenxi2009s comments Comments
  • Your talks with chenxi2009 Talks | Send message
Only public activity