作业 - 排序

main.swift

import Foundation
struct Students//设置结构体 Student
{
    var name:String
    var math:Int
    var english:Int

    init(name:String="NULL",math:Int=0,english:Int=0){ //设置结构体默认值
        self.name=name
        self.math=math
        self.english=english
    }
    
    func toString() -> String { //设置结构体函数
        return "\(self.name)的平均分是 \((self.math+self.english)/2)，数学：\(self.math)，英语：\(self.english),"
    }
}

//声明十个结构体变量
var s0=Students(name: "HSAD", math: 79, english: 97)
var s1=Students(name: "IIQW", math: 81, english: 48)
var s2=Students(name: "WUIQ", math: 83, english: 49)
var s3=Students(name: "ISAD", math: 94, english: 40)
var s4=Students(name: "OEHR", math: 57, english: 49)
var s5=Students(name: "UGUE", math: 59, english: 10)
var s6=Students(name: "RTUB", math: 95, english: 58)
var s7=Students(name: "OTRW", math: 59, english: 58)
var s8=Students(name: "IEFF", math: 90, english: 69)
var s9=Students(name: "EGDB", math: 60, english: 59)

var stu = [s0,s1,s2,s3,s4,s5,s6,s7,s8,s9]//组成数组

var tmp = stu[0]//设置暂存的变量
for b in 0...8//设置排序
{
    for a in 0...(8-b)
    {
        if (stu[a].math+stu[a].english)>=(stu[a+1].math+stu[a+1].english)
        {
            tmp = stu[a]
            stu[a]=stu[a+1]
            stu[a+1]=tmp
        }
    }
    
}

for a in 0...9 //设置输出
{
    print(stu[a].toString())
}