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feat: add top_k.c and refactor top_k.js (#889)

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* Add top_k.c based on my_heap.c

* Improve the implementation of top_k.js

* Add a comment to top_k
This commit is contained in:
Yudong Jin
2023-10-26 02:54:19 +08:00
committed by GitHub
parent 9f4076d1c1
commit 7822bf9cd4
13 changed files with 190 additions and 73 deletions
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codes/java/chapter_heap/top_k.java
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@@ -12,6 +12,7 @@ import java.util.*;
public class top_k {
/* 基于堆查找数组中最大的 k 个元素 */
static Queue<Integer> topKHeap(int[] nums, int k) {
// 初始化小顶堆
Queue<Integer> heap = new PriorityQueue<Integer>();
// 将数组的前 k 个元素入堆
for (int i = 0; i < k; i++) {