摘要: public class LineTree{ int[] tree,nums; int n; public LineTree(int[] nums){ this.nums = nums; n = nums.length; tree = new int[n*4]; build(0, 0, n-1); 阅读全文
posted @ 2022-09-21 10:00 like_a_star 阅读(168) 评论(0) 推荐(0) 编辑