20171031

JavaScript

不一样,因为浏览器解析时会默认加上;

MySQL 编程题

SELECT DISTINCT `name` FROM student_score WHERE `name` NOT IN (SELECT `name` FROM student_score WHERE score <80 );

Java

package com;public class test1 {    public static void main(String[] args) {        float distance=100;        float sum = 0;        for(int i = 1;i <= 10;i++){            sum = sum + distance + distance/2;            distance = distance / 2;        }        sum = sum - distance;        System.out.println("经过"+ sum);        System.out.println("反弹"+ distance);    }}