杭电ACM--2003绝对值
求绝对值
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 36121 Accepted Submission(s): 17561
Problem Description
求实数的绝对值。
Input
输入数据有多组,每组占一行,每行包含一个实数。
Output
对于每组输入数据,输出它的绝对值,要求每组数据输出一行,结果保留两位小数。
Sample Input
123
-234.00
Sample Output
123.00
234.00
1 import java.text.DecimalFormat; 2 import java.util.Scanner; 3 public class Main{ 4 public static void main(String[] args) { 5 Scanner scan = new Scanner(System.in); 6 double abs; 7 while(scan.hasNext()){ 8 abs = scan.nextDouble(); 9 DecimalFormat myformat = new DecimalFormat("#####0.00"); 10 System.out.println(myformat.format((abs>0)?abs:-abs)); 11 } 12 } 13 }