Find K-th Smallest Pair Distance(找到第k小的距离) Given an integer array, return the k-th smallest distance among all the pairs. The distance of a pair (A, B) is defined as the absolute difference between A and B. Example 1: Input: nums = [1,3,1] k =......
2019杭电多校第四场hdu6621 K-th Closest Distance(二分答案+主席树) K-th Closest Distance 题目传送门 解题思路 二分答案+主席树 先建主席树,然后二分答案mid,在l和r的区间内查询[p-mid, p+mid]的范围内的数的个数,如果大于k则说明这个范围内存在第k小的数,r=mid,否则不存在,l=mid+1。 代码如下...
...杭电2019多校赛第4场 HDU 6621 K-th Closest Distance(主席树+二分答案) 题目传送门 HDU6621 K-th Closest Distance Time Limit: 20000/15000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others) Problem Description You have an array: a1, a2, …, an and you must answer......
2019暑假杭电第四场 K-th Closest Distance 二分+主席树(可持久化线段树) K-th Closest Distance 传送门 Problem Description You have an array: a1, a2, , an and you must answer for some queries. For each query, you are given an interval [L, R] and two numbers p and K. Your goal......