🎯 适合人群：C语言学习者、数据结构初学者、面试准备者
If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value:
，这一点在safew官方下载中也有详细论述
Less Than (2): Everything in this space must be less than 2. The answer is 6-0, placed horizontally.
ChandelureIntroduced in Gen V (2010)