Problems by Rujia Liu

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Almost Union-Find 10231 1769 17% 0.02 1611 971 60% 6.4
Blocks on Blocks 131 54 41% 0.00 44 33 75% 6.8
Eb Alto Saxophone Player 1127 605 54% 0.00 505 470 93% 2.3
I Can Guess the Data Structure! 16076 4927 31% 0.00 3358 2950 88% 3.0
Prince and Princess 1298 357 28% 0.01 313 220 70% 6.5