# Name
TopCoder AC Ratio (user) AC (submission)
2218 88.9% (16/18) 48.9% (66/135)
2219 80.0% (4/5) 50.0% (8/16)
2220 80.0% (8/10) 51.7% (15/29)
2221 95.2% (20/21) 86.0% (43/50)
2222 93.3% (28/30) 75.3% (58/77)