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L1-037 A除以B (10 分)java

Posted on 2018-11-17 21:15  风紧扯不扯呼  阅读(140)  评论(0)    收藏  举报

L1-037 A除以B (10 分)


import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner s=new Scanner(System.in);
		int a= s.nextInt();
		int b=s.nextInt();
		
		if(b==0) {
			System.out.print(a+"/"+b+"=Error");
		}else if(b>0) {
			float sum=(float)a/b;
			System.out.print(a+"/"+b+"="+String.format("%.2f", sum));
		}else {
			float sum=(float)a/b;
			System.out.print(a+"/("+b+")="+String.format("%.2f", sum));
		}
	}
}