## 基礎概念 **元素不會依照加入順序取出**,而是依照**修先權**`priority`大小決定,由大排到小 ## 特性 1. 常用`heap`實作 - Min heap: 優先處理最小 - Max heap: 優先處理最大 ## 使用時機 1. 最短路徑演算法`dijkstra`
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