参考代码:
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); double n = in.nextDouble(); double sum = 0; for (double i = 1; i <= n; i++) { sum += 1 / i; } System.out.printf("%.6f", sum); } }
0.0分
1 人评分