摘要:
递归 class Solution { public ListNode mergeKLists(ListNode[] lists){ return mergeKLists(lists, 0); } public ListNode mergeKLists(ListNode[] lists, int l 阅读全文
posted @ 2021-12-24 16:42
振袖秋枫问红叶
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摘要:
优先队列+Map import java.util.Comparator; import java.util.HashMap; import java.util.PriorityQueue; class Solution { public int[] topKFrequent(int[] nums, 阅读全文
posted @ 2021-12-24 10:23
振袖秋枫问红叶
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