倍增分块

• CF1098D Eels
• P4587 [FJOI2016] 神秘数
• CF702F T-Shirts
• P8522 [IOI 2021] 地牢游戏
• CF1515I Phoenix and Diamonds
• P9069 [Ynoi Easy Round 2022] 堕天作战 TEST_98
• P7447 [Ynoi2007] rgxsxrs
• P11398 众数
• P14638 [NOIP2025] 序列询问
• QOJ9708 Yuuki and a problem

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1. CF1098D - Eels
2. P4587 - [FJOI2016] 神秘数
3. CF702F - T-Shirts
4. P8522 - [IOI 2021] 地牢游戏
5. CF1515I - Phoenix and Diamonds
6. P9069 - [Ynoi Easy Round 2022] 堕天作战 TEST_98
7. P7447 - [Ynoi2007] rgxsxrs
8. P11398 - 众数
9. P14638 - [NOIP2025] 序列询问