# Name
TopCoder AC Ratio (user) AC (submission)
1520 50.0% (2/4) 50.0% (7/14)
1521 42.9% (3/7) 13.0% (3/23)
1522 66.7% (4/6) 23.5% (4/17)
1523 66.7% (4/6) 10.3% (4/39)