Expert

bitcoin

Sergei Zaitsev, Hungary
  • User''s contest rating in Codeforces community Contest rating: 1643 (max. candidate master, 2004)
  • User''s contribution into Codeforces community Contribution: 0
  • Friend of: 10 users
  • Last visit: 6 weeks ago
  • Registered: 6 years ago
  • bitcoins comments Comments
  • Your talks with bitcoin Talks | Send message