C. Book Reading time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Polycarp is reading a book consisting of nn pages numbered from 11 to nn. Every time he finishes the page with the number div
数组中的第K个元素 在未排序的数组中找到第 k 个最大的元素.请注意,你需要找的是数组排序后的第 k 个最大的元素,而不是第 k 个不同的元素. 示例 1: 输入: [3,2,1,5,6,4] 和 k = 2 输出: 5 示例 2: 输入: [3,2,3,1,2,4,5,5,6] 和 k = 4 输出: 4 说明: 你可以假设 k 总是有效的,且 1 ≤ k ≤ 数组的长度. 解析 详细解析请看上一条博客,这个算是小顶堆的练习 代码 class Solution { public: int fi
Sequence II Time Limit: 9000/4500 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 849 Accepted Submission(s): 204 Problem Description Mr. Frog has an integer sequence of length n, which can be denoted as a1,a2,⋯