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關於PriorityQueue的remove情況2應該還有其他情形需要處理? #15

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t-c-chiu opened this issue Aug 8, 2019 · 0 comments
Open

關於PriorityQueue的remove情況2應該還有其他情形需要處理? #15

t-c-chiu opened this issue Aug 8, 2019 · 0 comments

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@t-c-chiu
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t-c-chiu commented Aug 8, 2019

以範例那張圖為例
假設remove的是15 也就是index=5的那個元素
在siftDown後那個位置會變成9, heap不對, 因此應該還需要檢查

if (queue[i] == moved) {
    siftUp(i, moved);
 }
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