Problems by Rujia Liu

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Almost Union-Find 9906 1703 17% 0.02 1557 929 60% 6.6
Blocks on Blocks 125 53 42% 0.00 43 32 74% 7.2
Eb Alto Saxophone Player 1042 556 53% 0.00 465 433 93% 2.3
I Can Guess the Data Structure! 15357 4731 31% 0.00 3208 2823 88% 2.8
Prince and Princess 1262 340 27% 0.01 302 210 70% 6.5