public boolean checkPerfectNumber2(intnum) {if(num<6||num%2!=0) {returnfalse; }intsum =1;for(inti=2; i<=Math.sqrt(num); i++) {if(num%i ==0) { sum += i +num/i; } }returnsum ==num; } 04 第三种解法 最小的Perfect Number是6
publicclassPerfectNumber{publicstaticvoidmain(String[] args){intfactor=0;//统计因子之和//输出10000以内的完全数for(inti=1; i <=10000; i++) {for(intj=1; j <= i/2; j++) {// i/2为最大值,因不包含小数,if(i % j ==0){//求因数1和本身,2和i/2,3和i/3,不包括本身,所以最大遍...
【leetcode】完美数 bool checkPerfectNumber(int num){ if (num < 2) return false; int sum=0,i; for (i=1; i<=sqrt(num); i++) { if (num % i==0) { sum += (i != sqrt(num) && i i++ 编程题目 转载 mb5ffd6f777f4e8 2020-09-12 13:07:00 104阅读 2评论 ...
public class PerfectNumber { public static void main(String[] args){ int factor = 0;//统计因⼦之和 //输出10000以内的完全数 for (int i = 1; i <= 10000; i++) { for (int j = 1; j <= i/2; j++) {// i/2为最⼤值，因不包含⼩数，if(i % j == 0){ //求因...
Solve programming challenges with logic and code skills Course Format This course is part of a weeklong summer camp running Monday through Friday. Learning sessions will be held in a lab on an inspiring university campus. Your child will be placed within a small group and guided by an experienc...
The Java Streams API allows developers to write efficient and concise code for data processing. Use this question to assess the candidate’s understanding of streams and their experience in bulk data operations. The candidate should be able to outline what a stream is and how it is used, and...
[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 ...
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To do it the exact way, the documentation and/or the code needs meta-information helping the test to perform the consistency check. Such a test can signal that the documentation may be outdated and need change. For example, it may give a warning, like “The name of the field XYZ is ...
A comprehensive resource for learning and implementing algorithms and data structures. This repository includes detailed notes, complexity analysis, and code examples in C++, Java, Python, and more. Ideal for students, professionals, and those preparing