第520天 教娃编程 - 在恰好 k 步后到达位置的方法数(组合 + 数学 + 动态规划算法)

--->List of All Tutorial Videos<---

Post: Day 520 - Teaching Kids Programming - Number of Ways to Reach a Position After Exactly k Steps (Combinations + Math + Dynamic Programming Algorithms)

• B 站: https://www.bilibili.com/video/BV1dd4y167uc/

• 西瓜: https://www.ixigua.com/7144486903625024003

• 目录: https://zhihua-lai.com/teaching/ch/

• List of Videos: https://zhihua-lai.com/teaching/

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