| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Palindromic Number | 163 | 169 | 0:01:34 |
| B. The Optimus Three | 168 | 169 | 0:01:06 |
| C. Exclusive-OR | 111 | 127 | 0:04:00 |
| D. Retake | 92 | 115 | 0:12:59 |
| E. Carrier | 63 | 76 | 0:23:46 |
| F. Find the Circle | 75 | 89 | 0:18:22 |
| G. Interesting Triplets (Easy) | 29 | 42 | 0:52:36 |
| H. Interesting Triplets (Hard) | 19 | 25 | 1:01:44 |
| I. Reform A Substring | 39 | 46 | 0:47:07 |
| J. Relocation Game | 10 | 21 | 1:32:13 |
| K. Mischievous Meme Maker | 51 | 65 | 0:06:22 |
| L. Bucket | 13 | 26 | 1:02:59 |
