PAT(BasicLevel):D进制的A+B (20)

题目描述

输入两个非负10进制整数A和B(<=230-1)，输出A+B的D (1 < D <= 10)进制数。

输入描述:

输入在一行中依次给出3个整数A、B和D。

输出描述:

输出A+B的D进制数。

输入例子:

123 456 8

输出例子:

1103

import java.util.Scanner;/** * 正整数转成二进制。要点一定一定要记住哈：除二取余，然后倒序排列，高位补零。 * @author 编程只服JAVA * */public class Main{public static void main(String[] args) {Scanner scanner = new Scanner(System.in);int A = scanner.nextInt();int B = scanner.nextInt();int D = scanner.nextInt();int N = A+B;int M = N/D;int Q = N%D;StringBuilder stringBuilder = new StringBuilder();stringBuilder.append(Q);while(M !=0){Q = M%D;M = M/D;stringBuilder.append(Q);}String string = stringBuilder.toString();if (string.length()<2) {string = "0"+string;}StringBuilder stringBuilder2 = new StringBuilder(string);stringBuilder2.reverse();System.out.println(stringBuilder2.toString());}}