JAVA大整数类_牛客博客

import java.util.*;
public class abcd {
public static void main(String args[]) {
	Scanner sca=new Scanner(System.in);
	java.math.BigInteger a;//大整数类
	java.math.BigInteger b;
	while(sca.hasNext()) {//输入以文件EOF结束
		a=sca.nextBigInteger();
		b=sca.nextBigInteger();
		System.out.println("和="+a.add(b));//求和
		System.out.println("差="+a.subtract(b));//求差
		System.out.println("积="+a.multiply(b));//求乘积
		System.out.println("商="+a.divide(b));//求商
		System.out.println("模"+a.remainder(b));//求余数
		if(a.compareTo(b)==0)//比较大小
			System.out.println("a==b");
		if(a.compareTo(b)>0)
			System.out.println("a>b");
		if(a.compareTo(b)<0)
			System.out.println("a<b");
		System.out.println(a.abs());//求绝对值
		System.out.println(a.max(b));//求a,b中的最大值
		System.out.println("gcd="+a.gcd(b));
		int m=sca.nextInt();
		System.out.println("a的pow："+a.pow(m));
	}
}
}