java解不等式

2019独角兽企业重金招聘Python工程师标准>>>

import java.util.Scanner;

public class test { public static void main(String[] args) { int m=1; double sum=0;

	Scanner reader=new Scanner(System.in);
	System.out.print("请输入n的值：");
	int n=reader.nextInt();
	
	while(sum<n){
	sum=sum+1.0/m;
	m=m+1;  
    }
	int x=m-1;//求得上限
	
	while(sum<n+1){
		sum=sum+1.0/m;
		m=m+1;
	}
	int y=m-1;//求得下限
	
	System.out.println(x+"<"+"m"+"<"+y);
}

}

转载于:https://my.oschina.net/u/2511906/blog/845570