zoj 1007 Java

纯数学题目

import java.text.DecimalFormat;public class Main {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubdouble sum, x;int i, k;x = 0.000;for(i=0; i<=2000; i++){sum = 0.0;for(k=10000; k>0; --k){sum += (1-x)/(k*(k+1)*(k+x));}sum = sum + 1 + (1-x)/200000000;System.out.print(new DecimalFormat("0.000").format(x));System.out.print(" ");System.out.print(new DecimalFormat("##0.000000000000").format(sum));System.out.println();x += 0.001;}return;}}