| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 42 | P1638D Big Brush | 0 / 0 | (None) | |
| 41 | P1638E Colorful Operations | 0 / 0 | (None) | |
| 40 | P1638F Two Posters | 0 / 0 | (None) | |
| 26 | P1641C Anonymity Is Important | 0 / 0 | (None) | |
| 17 | P1644D Cross Coloring | 0 / 0 | (None) | |
| 16 | P1644E Expand the Path | 0 / 0 | (None) | |
| 7607 | P1647E Madoka and the Sixth-graders | 0 / 0 | (None) | |
| 8 | P1648A Weird Sum | 0 / 0 | (None) | |
| 7 | P1648B Integral Array | 0 / 0 | (None) | |
| 6 | P1648C Tyler and Strings | 0 / 0 | (None) | |
| 5 | P1648D Serious Business | 0 / 0 | (None) | |
| 4 | P1648E Air Reform | 0 / 0 | (None) | |
| 3 | P1648F Two Avenues | 0 / 0 | (None) | |
| 5213 | P1650E Rescheduling the Exam | 0 / 0 | (None) | |
| 7603 | P1651C Fault-tolerant Network | 0 / 0 | (None) | |
| 7602 | P1651D Nearest Excluded Points | 0 / 0 | (None) | |
| 7600 | P1651F Tower Defense | 0 / 0 | (None) | |
| 7623 | P1654C Alice and the Cake | 0 / 0 | (None) | |
| 7621 | P1654E Arithmetic Operations | 0 / 0 | (None) | |
| 7620 | P1654F Minimal String Xoration | 0 / 0 | (None) | 
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