textarea滚动条隐藏

## DEDE首页去掉index.html-织梦

DEDE首页index.html如何去掉 因为考虑到要做SEO排名，多个地址指向同一页面也不是合适。简单点来说…

## A perfect number is one that is the sum of its factors, excluding itself. The 1st perfect number is 6 because 6 = 1 + 2 + 3.

A perfect number is one that is the sum of its factors, excluding itself. The 1st perfect number is 6 because 6 = 1 + 2 + 3.

## 数据结构背包问题-简单的背包问题

1. 题目： 有一个背包，能盛放的物品总重量为s，设有n件物品，其重量分别为w1,w2,…,wn.…

## dede 织梦 install 文件夹下载

install文件夹 install.tar.gz: https://u253469.ctfile.com/f…

## It is a fact that there exist two numbers x and y such that x! + y! = 10!. Write a method named solve10 that returns the values x and y in an array.

It is a fact that there exist two numbers x and y such that x! + y! = 10!. Write a method named solve10 that returns the values x and y in an array.
The notation n! is called n factorial and is equal to n * n-1 * n-2 * … 2 * 1, e.g., 5! = 5*4*3*2*1 = 120.

## The Guthrie index of a positive number n is defined to be how many iterations of the above algorithm it takes before n becomes 1.

The Guthrie index of a positive number n is defined to be how many iterations of the above algorithm it takes before n becomes 1.
For example, the Guthrie index of the number 7 is 16 because the following sequence is 16 numbers long.
22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1