//7.求两个整数的最大公约数#include<stdio.h>//用穷举法求出最大公约数int gcd1(int m,int n){ int min = m > n ? n : m; while (min) { if (m%min == 0 && n%min == 0) { break; } else { min--; } } return min;}//快速求最大公约数的算法,称为辗转相除法,以下用递归实现int gcd2(int m,int n){ if (n==0…
题目描述 We consider a positive integer perfect, if and only if it is equal to the sum of its positive divisors less than itself. For example, 6 is perfect because 6 = 1 + 2 + 3. Could you write a program to determine if a given number is perfect or not?…
http://acm.hdu.edu.cn/showproblem.php?pid=1406 完数 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 15365 Accepted Submission(s): 5592 Problem Description 完数的定义:如果一个大于1的正整数的所有因子之和等于它的本身,则称这个数是…
题目:一个数如果恰好等于它的因子之和,这个数就称为"完数".例如6=1+2+3.编程 找出1000以内的所有完数. 解题过程也很简单: public class wanshu { int number,value; public static void main(String[] args) { wanshu w = new wanshu(); w.function(); } public void function(){ //找出一个整数的所有因子,进行判断 for(int i =…
