PAT(BasicLevel):D进制的A+B (20)
2016-11-10 23:23
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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());}}
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