Achievement: Emerald
Emerald
15000 XP
Has a chance to trigger once a day on a difficult ddk problem.
344 users completed this achievement.
Completed by İlim İrfan, Thamiel Backup, Alex Brooks, goroutine, Sun Tzu, Ксения Рассадина, Dogac, กัญญาวีร์ จิตรจํานงค์, Matthew Ward, Navii and more.
