_ostreamBaba

题目描述 Description输入n个矩形，求他们总共占地面积（也就是求一下面积的并）输入描述 Input Description可能有多组数据，读到n=0为止(不超过15组)每组数据第一行一个数n，表示矩形个数(n<=100)接下来n行每行4个实数x1,y1,x2,y1(0 <= x1 < x2 <= 100000;0 <= y1 < y2 <= 100000)，表示矩形的左下角坐标和右上角坐标

离散化 public class Discretization { public static int lower_bound(int[] arr,int target){ //找到第一个大于等于x的数的位置 int l=0; int r=arr.length; while (l&amp;amp;amp;lt;r){ int mid...

The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all places at their whim. The city council has finall...

给定一个整数数组 nums，按要求返回一个新数组 counts。数组 counts 有该性质： counts[i] 的值是 nums[i] 右侧小于 nums[i] 的元素的数量。 示例: 输入: [5,2,6,1] 输出: [2,1,1,0] 解释: 5 的右侧有 2 个更小的元素 (2 和 1). 2 的右侧仅有 1 个更小的元素 (1). ...

Description There are several ancient Greek texts that contain descriptions of the fabled island Atlantis. Some of these texts even include maps of parts of the island. But unfortunately, these ...