| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 4172 | P850B Arpa and a list of numbers | 0 / 0 | (无) | |
| 4167 | P851A Arpa and a research in Mexican wave | 0 / 0 | (无) | |
| 4165 | P852A Digits | 0 / 0 | (无) | |
| 4159 | P852G Bathroom terminal | 0 / 0 | (无) | |
| 4149 | P855A Tom Riddle's Diary | 0 / 0 | (无) | |
| 4135 | P858B Which floor? | 0 / 0 | (无) | |
| 4134 | P858C Did you mean... | 0 / 0 | (无) | |
| 4133 | P858D Polycarp's phone book | 0 / 0 | (无) | |
| 4132 | P858E Tests Renumeration | 0 / 0 | (无) | |
| 4130 | P859A Declined Finalists | 0 / 0 | (无) | |
| 4122 | P862A Mahmoud and Ehab and the MEX | 0 / 0 | (无) | |
| 4116 | P863A Quasi-palindrome | 0 / 0 | (无) | |
| 4114 | P863C 1-2-3 | 0 / 0 | (无) | |
| 4113 | P863D Yet Another Array Queries Problem | 0 / 0 | (无) | |
| 4109 | P864A Fair Game | 0 / 0 | (无) | |
| 4108 | P864B Polycarp and Letters | 0 / 0 | (无) | |
| 4107 | P864C Bus | 0 / 0 | (无) | |
| 4106 | P864D Make a Permutation! | 0 / 0 | (无) | |
| 4096 | P867A Between the Offices | 0 / 0 | (无) | |
| 4095 | P868A Bark to Unlock | 0 / 0 | (无) |