实验三

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import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

public class qwe {

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

int a = 0;

 System.out.print("请输入m：");

 BufferedReader strin=new BufferedReader(new InputStreamReader(System.in));

 try {

a=Integer.parseInt(strin.readLine());

} catch (NumberFormatException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

int b = 0;

 System.out.print("请输入一个n：");

 BufferedReader strin2=new BufferedReader(new InputStreamReader(System.in));

 try {

b=Integer.parseInt(strin2.readLine());

} catch (NumberFormatException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

int flag = 0;

for (int i = 1; i <= a; i++) {

if(a%i==0){

if(b%i==0){

flag=i;}

}

}

System.out.println("最大公约数为"+flag);

}

实验三

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原文地址：http://www.cnblogs.com/shirongquan/p/5383630.html