原题链接在这里:https://leetcode.com/problems/perfect-number/#/description 题目: We define the Perfect Number is a positive integer that is equal to the sum of all its positive divisors except itself. Now, given an inte
题意:计算整数N是否为Perfect Number,其定义为满足其所有因数(不包括自身)的和与该数相等; 解法:只需要计算其所有因数并求和后与此数相比较即可,这里需要注意的是给出的整数N可能为负数或零,而Perfect Number要求是正整数; Java class Solution { public boolean checkPerfectNumber(int num) { int sum = 0; ...
507. Perfect Number(LeetCode) We define the Perfect Number is a positive integer that is equal to the sum of all its positive divisors except itself. Now, given an integer n, write a function that returns true when it is a perfect number and false when it is not. Example: Input: 28 ...
leetcode 507. Perfect Number 完美数字 We define the Perfect Number is a positive integer that is equal to the sum of all its positive divisors except itself. Now, given an integer n, write a function that returns true when it is a perfect number and false when it is not. Example: Inpu...
[Leetcode] Perfect Squares 完美平方数 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 ...
【leetcode】1240. Tiling a Rectangle with the Fewest Squares 2019-12-23 10:38 −题目如下: Given a rectangle of size n x m, find the minimum number of integer-sided squares that tile the rectangle. Example 1: Input: n =...
Diff for: LeetCode/Easy/Valid Perfect Square.txt +4-1 Original file line numberDiff line numberDiff line change @@ -6,11 +6,14 @@ Language: C# 6 6 public class Solution { 7 7 public bool IsPerfectSquare(int num) 8 8 { 9 - for (int i = 1; (long) i*i <= num;...
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 Output: 3 Explanation: 12 = 4 + 4 + 4. Example 2: Input: n = 13 ...
今天我想聊聊 LeetCode 上的第279题-Perfect Squares,花了挺长时间的,试了很多方法,作为一个算法新手,个人感觉这题很好,对我的水平提升很有帮助。我在这里和大家分享一下我的想法。下面是题目: Given a positive integern, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ....
[LeetCode]Perfect Squares 作者是 在线疯狂 发布于 2015年9月9日 在LeetCode. 题目描述: 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; ...