java program to find prime number

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The optimization of the prime number is obtained. To find a table of arbitrary order multiplication. Judging leap years

1. Print the prime number between 100~2002. Output multiplication table3. Judging the leap year between 1000---2000#include #include #include int main (){int count = 0;int div = 0;printf ("prime number between output 100-200 \ n");for (int prime = 101;

Using the filter method to find the prime number within 100 (array)

Using the filter method to find the prime number within 100, the use of arrays is required.#include "stdafx.h"#include using namespace Std;int _tmain (int argc, _tchar* argv[]){int a[100],i,b[100],j,n=0; Array a[100] To put in the number of judgements, array b[100] to place prime

JavaScript implementation find prime number code sharing

This article mainly introduces the JavaScript implementation to find prime number code sharing, this article directly gives the implementation code, the need for friends can refer to the following Well, there's no background note, no advanced skills, sheer boredom, trying to find all the primes in 10000. So here we g

Python basic Syntax 2.8--find the prime number within 100

Problem Description: Find the prime number within a rangeIdea: to label each numberFirst, to iterate through all the numbers in that range, a cycleThen, traverse 2 to n-1. See if they can be divisible.Code:#-*-coding:utf-8-*-Importstring#find the prime

HDU 2710 Max Factor (find the maximum prime number)

Question link: http://acm.hdu.edu.cn/showproblem.php? PID = 1, 2710 Problem descriptionto improve the organization of his farm, Farmer John labels each of his n (1 (Recall that a prime number is just a number that has no divisors should t for 1 and itself. the number 7 is prime

Coj 3018 to find the prime number between 1~n

Find the prime number between 1~n Difficulty level: A; run time limit: 1000ms; operating space limit: 256000KB; code length limit: 2000000B Question Description The number of primes is greater than 1 and cannot be divisible by other integers except 1 and itself. Requires a

Java using Sieve method to find prime numbers

intdistance;Ten inttemp; One intn=1000010; A intflag[]=New int[N]; - inti; - intJ; the - for(i=0;i) -Flag[i]=0; - +Flag[0]=1; -Flag[1]=1; + A for(i=2;i*i){ at if(flag[i]==0){ - for(j=i*i;ji) -Flag[j]=1; - } - } - int=scanner.nextint (); - while(true){ to if(t==0) + Break; -t--; the *

Python exercises (eight) to find a prime number within 100,000

Optimization points:Even numbers must not be primes, because they can all be divisible by 2.The boundary of J can be taken as the root, because if a number can be divisible, the square root of it can be judged whether it is a prime value.Import Datetimestart = Datetime.datetime.now () #0.512,993 sec Print (2, end= ") for I in range (3, 100000, 2): for J in range (3, int (i * * 0.5) + 1, 2): # for J in range

Using sieve method to find prime number

1 Packagealgorithm;2 //Reprint Please specify3 Public classFilterprime {4 Public Static voidFilterprime (intN) {5 Boolean[] Isprimes =New Boolean[N+1];6 for(inti=2;i){7isprimes[i]=true;8 }9isprimes[2]=true;Ten for(intj=2;j){ One if(isprimes[j]==true){ A for(intm=2;j*m){ -isprimes[j*m]=false; - } the } - } - for(intk=2;k){ - if(isprimes[k]==true){ +System.out.println (k +

To find a number before all prime--for loops, function calls

* * Copyright (c) 2011, Computer College of Yantai University * All rights reserved. * File name: Test.cpp *: Li Xinpeng * Completion date: November 21, 2013 * Version number: v1.0 * Description of task and solution method: * Input Description: Numerical * Problem description : * Program output: Before the number of all pr

To find the prime number between 1~50 (terminating it with a labeled break statement)

Tag: Make it terminate with a labeled break statement Publicclassc3_18{publicstaticvoidmain (String[] args) { Intn=0,m,j,i;p1:for (i=3;iRun results650) this.width=650; "src=" http://img.blog.csdn.net/20150723163145420 "alt=" here write a picture describing "title=" "/>This article is from the "Sanghaidan blog column" blog, please be sure to keep this source http://10602803.blog.51cto.com/10592803/1683069To find the

C # A small program that calculates the prime number

A small program can find the prime number within a certain range, and can calculate the number of prime numbers, and print all the prime numbers. It may be used later. Archive first.Usi

Java implementation of 3 ways to find prime numbers less than n _java

Prime number Concept Prime number, also known as Prime, refers to a number of natural numbers greater than 1, except for 1 and the integer itself, which cannot be divisible by other natural numbers (which can also be defined as n

The C program realizes the prime number and the decomposition problem of integer _c language

This paper describes the C program to achieve the number of integers and decomposition problems, shared for everyone to reference. The specific methods are as follows: Requirements: For a given integer, the output of all such prime numbers and decomposition, for the homogeneous decomposition of the output only once (for example, 5 has only one decomposition 2+3,

FFT Prime number Playing table program

#include   FFT Prime number Playing table program

Practical Java language design-generates a random integer between 2-K to determine whether a number is a prime number

1 import java.io.*; 2 import java.util.*; 3 public class J2_13 { 4 public static void main(String a[]) { 5. Construct objects = new objects (system. In);/* construct a struct object. The input parameter is system. In */ 6 System.out.println("Please enter a number to limit the random number that yout want:"); 7 int K = bytes. nextint ();/* read an int value K */ 8 int P = (INT) (2 + (K-2) * Math. Random ()

Java implementations find prime numbers between 100~200

1 PackageCom.company;2 3 Public classMain {4 5 Public Static voidMain (string[] args) {6 //Write your code here7System.out.println ("HelloWorld");8 inti;9 intJ;Ten for(i=100;i//cyclic i=100~200 One for(j=2;j//cyclic j=2~200 A if(i% j==0) {//I can be determined by J. - Break; - } the } - if(I==J) {//determine the same number of

Using Java implementation to find prime numbers between 1-100 (two methods)

First type: public class prime number 1 { /** * @param args */ public static void Main (string[] args) { TODO auto-generated Method Stub 1-100 within the and of prime numbers int sum=0; for (int i=1;i{ Boolean b=true; if (i!=1) { for (int j=2;j{ if (i%j==0) { B=false; Break } } if (b) { Sum+=i; System.out.println (i); } } } System.out.println ("The and of the

1007. Prime number pairs conjecture (Java)

The problem at the beginning of the question did not understand, or others pointed out, is to find the number of n within the difference of 2 of the number of prime pairs is how much.When submitted, the time can not pass, the 7th line of the loop is +2, even the number is de

Java determines whether a number is prime [goto]

http://blog.csdn.net/lwcumt/article/details/8027586Import Java.util.Scanner;prime number, also known as Prime , refers to the number of natural numbers greater than 1 , except 1 and this integer itself, cannot be divisible by other natural numberspublic class Primenumber {public static void Main (string[] args) {Scanne

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