| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 4065 | P884F Anti-Palindromize | 0 / 0 | (None) | |
| 4067 | P886C Petya and Catacombs | 0 / 0 | (None) | |
| 4074 | P888B Buggy Robot | 0 / 0 | (None) | |
| 4078 | P891A Pride | 0 / 0 | (None) | |
| 4079 | P891B Gluttony | 0 / 0 | (None) | |
| 4082 | P892B Wrath | 0 / 0 | (None) | |
| 4084 | P893C Rumor | 0 / 0 | (None) | |
| 4099 | P898E Squares and not squares | 0 / 0 | (None) | |
| 4111 | P902A Visiting a Friend | 0 / 0 | (None) | |
| 4112 | P903A Hungry Student Problem | 0 / 0 | (None) | |
| 4113 | P903C Boxes Packing | 0 / 0 | (None) | |
| 4125 | P908F New Year and Rainbow Roads | 0 / 0 | (None) | |
| 4127 | P909A Generate Login | 0 / 0 | (None) | |
| 4129 | P909E Coprocessor | 0 / 0 | (None) | |
| 4130 | P910A The Way to Home | 0 / 0 | (None) | |
| 4131 | P910C Minimum Sum | 0 / 0 | (None) | |
| 4134 | P911E Stack Sorting | 0 / 0 | (None) | |
| 4135 | P911F Tree Destruction | 0 / 0 | (None) | |
| 4138 | P912C Perun, Ult! | 0 / 0 | (None) | |
| 4139 | P912D Fishes | 0 / 0 | (None) |
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