Problems by Rujia Liu

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Almost Union-Find 6871 1222 18% 0.02 1117 642 57% 7.0
Blocks on Blocks 94 42 45% 0.00 31 23 74% 7.0
Eb Alto Saxophone Player 728 387 53% 0.00 315 291 92% 2.4
I Can Guess the Data Structure! 11540 3571 31% 0.00 2496 2208 88% 2.5
Prince and Princess 862 248 29% 0.01 202 146 72% 6.7