#BZOJ2516. 电梯

电梯

题目描述

输入格式

输出格式

1
1 396
512 619 633

526
  1. About
  2. Contact Us
  3. Privacy
  4. Terms of Service
  5. Copyright Complaint
  6. Language
  7. Legacy mode
  8. Theme
  2. 蜀ICP备2022005482号-4
  3. Worker 0, 30ms
  4. Powered by Hydro v4.19.1 Community