Martyr2项目实现--Number部分问题求解(3) Prime Factorization 质因子分解 问题描述: Prime Factorization – Have the user enter a number and find all Prime Factors (if there are any) and display them. 翻译: 质因子分解:给定一个整数N,找到并输出他的全部质因子 原理: 质因数分解,是将一个正整数写成几个约数的成绩,并且这些约数都是质数 给定一个合…

Martyr2项目实现--Number部分的问题求解 (1) Find Pi to Nth Digit Find Pi to Nth Digit 问题描述: Find PI to the Nth Digit – Enter a number and have the program generate PI up to that many decimal places. Keep a limit to how far the program will go. 翻译: 给定一个整数N,让程序生成精确…

Problem Statement The least common multiple (denoted "lcm") of a non-empty sequence of positive integers is the smallest positive integer that is divisible by each of them. For example, lcm(2)=2, lcm(4,6)=12, and lcm(1,2,3,4,5)=60. Alice had a p…

(1) if divided by 2 or 3, then no; (2) we only have to go through prime factors; because a composite can always be divided into primes. (3) since 2 is the smallest prime, for number N, we only have to go through till N/2 max., because if one number i…

4 // // ViewController.swift // Is Prime // // Created by ZC on 16/1/9. // Copyright © 2016年 ZC. All rights reserved. // import UIKit class ViewController: UIViewController { @IBOutlet weak var numberTextField: UITextField! @IBOutlet weak var result:…

题目:http://acm.timus.ru/problem.aspx?space=1&num=1748 题意:求n范围内约数个数最多的那个数. Roughly speaking, for a number to be highly composite it has to have prime factors as small as possible, but not too many of the same. If we decompose a number n in prime factor…

Description In this problem, you are given a pair of integers A and B. You can transform any integer number A to B by adding x to A.This x is an integer number which is a prime below A.Now,your task is to find the minimum number of transformation req…

Description Almost Prime time limit per test: 2 seconds memory limit per test: 256 megabytes input: standard input output: standard output A number is called almost prime if it has exactly two distinct prime divisors. For example, numbers 6, 18, 24 a…

Prime Palindromes The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as backward). Write a program that finds all prime palindromes in the range of two supplied numbers a a…

A prime number p≥2 is an integer which is evenly divisible by only two integers: 1 and p. A composite integer is one which is not prime. The fundamental theorem of arithmetic says that any integer x can be expressed uniquely as a set of prime factors…

Special Prime Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 738    Accepted Submission(s): 390 Problem Description Give you a prime number p, if you could find some natural number (0 is not in…

Description The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as backward). Write a program that finds all prime palindromes in the range of two supplied numbers a and b (…

Number Transformation In this problem, you are given an integer number s. You can transform any integer number A to another integer number B by adding x to A. This x is an integer number which is a prime factor of A (please note that 1 and A are not…

一.题目描述 The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as backward). Write a program that finds all prime palindromes in the range of two supplied numbers a and b (5 <=…

Prime Words A prime number is a number that has only two divisors: itself and the number one. Examples of primenumbers are: 1, 2, 3, 5, 17, 101 and 10007.In this problem you should read a set of words, each word is composed only by letters in the ran…

题目描述 RILEY VASHTEE: [reading from display] Find the next number in the sequence:313 331 367 ...? What?THE DOCTOR: 379.MARTHA JONES: What?THE DOCTOR: It’s a sequence of happy primes — 379.MARTHA JONES: Happy what?THE DOCTOR: Any number that reduces to…

Relatively Prime Powers CodeForces - 1036F Consider some positive integer xx. Its prime factorization will be of form x=2k1⋅3k2⋅5k3⋅-x=2k1⋅3k2⋅5k3⋅- Let's call xx elegant if the greatest common divisor of the sequence k1,k2,-k1,k2,- is equal to 11. F…

Given a number N, the output should be the all the prime numbers which is less than N. The solution is calledSieve of Eratosthenes: First of all, we assume all the number from 2 to N are prime number (0 & 1 is not Prime number). According to the Prim…

Every person likes prime numbers. Alice is a person, thus she also shares the love for them. Bob wanted to give her an affectionate gift but couldn't think of anything inventive. Hence, he will be giving her a graph. How original, Bob! Alice will sur…

In this problem, you are given an integer number s. You can transform any integer number A to another integer number B by adding x to A. This x is an integer number which is a prime factor of A (please note that 1 and A are not being considered as a…

In this problem, you are given an integer number s. You can transform any integer number A to another integer number B by adding x to A. This x is an integer number which is a prime factor of A (please note that 1 and A are not being considered as a…

Special Prime Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 415    Accepted Submission(s): 220 Problem Description Give you a prime number p, if you could find some natural number (0 is not in…

原档:https://developer.apple.com/library/prerelease/ios/documentation/Swift/Conceptual/Swift_Programming_Language/ControlFlow.html#//apple_ref/doc/uid/TP40014097-CH9-ID120 1.For循环 (1)for in 使用for-in来遍历一个集合里的元素. ... { print("\(index) times 5 is \(index…

Swift提供了所有c类语言的控制流结构.包括for和while循环来执行一个任务多次:if和switch语句来执行确定的条件下不同的分支的代码:break和continue关键字能将运行流程转到你代码的另一个点上. 除了C语言传统的for-condition-increment循环,Swift加入了for-in循环,能更加容易的遍历arrays, dictionaries, ranges, strings等其他序列类型. Swift的switch语句也比C语言的要强大很多. Swift中swi…

Python中的循环语句有 for 和 while. Python循环语句的控制结构图如下所示: while 循环 Python中while语句的一般形式: while 判断条件: statements 同样需要注意冒号和缩进.另外,在Python中没有do..while循环. 以下实例使用了 while 来计算 1 到 100 的总和: #!/usr/bin/env python3 n = 100 sum = 0 counter = 1 while counter <= n: sum = su…

python运行流程 一.变量及注释 命名: 合法-变量名由字母.数字和下划线组成,并且不能以数字开头.以下保留字不可以当变量名: ['False', 'None', 'True', 'and', 'as', 'assert', 'break', 'class', 'continue', 'def', 'del', 'elif', 'else', 'except', 'finally', 'for', 'from', 'global', 'if', 'import', 'in', 'is', '…

Swift提供了各种控制流程语句.这些包括while多次执行任务的循环; if,guard和switch基于特定条件执行不同代码分支的语句; 和语句,如break和continue对执行流在你的代码转移到另一个点. 迅速还提供了for- in循环,可以很容易地遍历数组,字典,范围,字符串和其它序列. Swift的switch声明比许多类C语言中的声明强大得多.案例可以匹配许多不同的模式,包括区间匹配,元组和特定类型的强制类型转换.switch案例中的匹配值可以绑定到临时常量或变量以在案例主体中使…

除了前面介绍的 while 语句,Python 还从其它语言借鉴了一些流程控制功能,并有所改变. 4.1. if 语句 也许最有名的是 if 语句.例如: >>> x = int(input("Please enter an integer: ")) Please enter an integer: 42 >>> if x < 0: ... x = 0 ... print('Negative changed to zero') ... elif…

一.下载安装 1.1Python下载 Python官网:https://www.python.org/ 1.2Python安装 1.2.1 Linux 平台安装 以下为在Unix & Linux 平台上安装 Python 的简单步骤: 打开WEB浏览器访问https://www.python.org/downloads/source/ 选择适用于Unix/Linux的源码压缩包. 下载及解压压缩包. 如果你需要自定义一些选项修改Modules/Setup 执行 ./configure 脚本 ma…

[译]The Python Tutorial#More Control Flow Tools 除了刚才介绍的while语句之外,Python也从其他语言借鉴了其他流程控制语句,并做了相应改变. 4.1 if Statements 或许最广为人知的语句就是if语句了.例如: x = int(input("Please enter an integer: ")) if x < 0: x = 0 print('Negative changed to zero') elif x == 0…