publicbooleanisRectangleCover(int[][]rectangles){if(rectangles==null||rectangles.length==0||rectangles[0].length==0)returnfalse;int areaSum=0;int x1=Integer.MAX_VALUE;int x2=Integer.MIN_VALUE;int y1=Integer.MAX_
LeetCode 0279. Perfect Squares完全平方数【Medium】【Python】【BFS】 Problem LeetCode Given a positive integern, find the least number of perfect square numbers (for example,1, 4, 9, 16, ...) which sum ton. Example 1: Input: n = 12Output: 3Explanation: 12 = 4 + 4 + 4. Example ...
LeetCode 0391中如何计算完美矩形的面积? Perfect Rectangle Desicription Given N axis-aligned rectangles where N > 0, determine if they all together form an exact cover of a rectangular region. Each rectangle is represented as a bottom-left point and a top-right point. For example, a unit squ...
Special thanks to@jianchao.li.fighterfor adding this problem and creating all test cases. 又是超哥一个人辛苦的更新题目,一个人托起 LeetCode 免费题的一片天空啊,赞一个~ 这道题说是给我们一个正整数,求它最少能由几个完全平方数组成。这道题是考察四平方和定理,to be honest, 这是我第一次听说这个...
LeetCode Weekly Contest 25 赛题 本次周赛主要分为以下4道题: 507 Perfect Number (3分) 537 Complex Number Multiplication (6分) 545 boundary of Binary Tree (8分) 546 Remove Boxes (9分) 507 Perfect Number Problem: We define the Perfect Number is a positive integer that is equal to the s...
[leetcode-279-Perfect Squares]Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n. For example, given n = 12, return 3 because 12 = 4 + 4 + 4; given n = 13, return 2 because 13 = 4 + 9. Credits...
LeetCode 1289 下降路径最小和 II Minimum Falling Path Sum II 2019-12-15 00:24 −地址 https://leetcode-cn.com/contest/biweekly-contest-15/problems/minimum-falling-path-sum-ii/ 题目描述给你一个整数方阵 arr ,定义「非零偏移下降路径」为:从 arr 数组中的每一行选择一个数字,且... ...
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Problem Description We consider a positive integer perfect, if and only if the sum of its digits is exactly 10. Given a positive integer k, your task is to find the k-th smallest perfect positive integer. Input A single line with a positive integer k (1 ≤ k ≤ 10 000)....
LeetCode 0279. Perfect Squares完全平方数【Medium】【Python】【BFS】 Problem LeetCode Given a positive integern, find the least number of perfect square numbers (for example,1, 4, 9, 16, ...) which sum ton. Example 1: Input: n = 12 ...