gcd.java

来自「包括许多JAVA程序」· Java 代码 · 共 27 行

package gcd;
import java.util.*;
public class GCD {

	private static int gcd(int a,int b){
		int t,r;
		if(b>a){
			t=a;a=b;b=t;
		}
		while((r=a%b)!=0){
			a=b;
			b=r;
		}
		return b;
	}
	
	public static void main(String[] args) {
		Scanner scanner=new Scanner(System.in);
		System.out.println("Enter num1:");
		int a=scanner.nextInt();
		System.out.println("Enter num2:");
		int b=scanner.nextInt();
		System.out.println("GCD is: "+gcd(a,b));
	}

}