HDU 2003 求绝对值
分析:此题考绝对值函数
AC源代码(Java语言):
import java.util.Arrays; import java.util.Scanner; public class Main{ // public final static double pi = 3.1415927; public static void main(String[] args) { Scanner sin=new Scanner(System.in); while(sin.hasNextDouble()){ double num = sin.nextDouble(); num = Math.abs(num); String res = String.format("%.2f", num); System.out.println(res); } } }View Code 优质内容筛选与推荐>>