大数快速开方
发布时间:2020-12-14 02:35:30 所属栏目:大数据 来源:网络整理
导读:大数快速开方! import java.math.BigInteger;import java.util.Scanner;public class Main{public static void main(String[] args) { Scanner sc = new Scanner(System.in); BigInteger N = sc.nextBigInteger(); System.out.println(sqrt(N)); }public st
大数快速开方! import java.math.BigInteger; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); BigInteger N = sc.nextBigInteger(); System.out.println(sqrt(N)); } public static BigInteger sqrt(BigInteger input) { BigInteger x0 = BigInteger.TEN.pow((int)Math.sqrt(input.toString().length())); BigInteger x1 = BigInteger.valueOf(11); while(!x0.equals(x1) && !x0.equals(x1.add(BigInteger.ONE))) { x0 = new BigInteger(x1.toString()); x1 = x1.add(input.divide(x1)).divide(new BigInteger("2")); } return x1; } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |