go实现投票并实时打印投票信息

package main

import "fmt"

var students []Student
var flag bool = true

type Student struct {
  no int // 候选人编号
  name string // 候选热姓名
  count int //得票数
}

func initInfo(){
  fmt.Println("请输入参加候选的人数:")
  sum := 0
  fmt.Scanln(&sum)
  students = make([]Student,0,sum)
  for i := 1;i <= sum;i++ {
    fmt.Println("请输入第 ",i,"位候选人姓名: ")
    name := ""
    fmt.Scanln(&name)

    s := Student{i,name,0}
    students = append(students,s)
  }
}

func printInfo(){
  // 排序 按照票数大小
  for i := 1;i < len(students);i++{
    for j := 0;j < len(students) -1 ;j++ {
      if students[j].count < students[j+1].count {
        students[j],students[j+1] = students[j+1],students[j]
      }
    }
  }
  for i := 0;i < len(students);i++ {
    s := students[i]
    fmt.Printf("[%d] %s 候选人,票数是:%d\n",s.no,s.name,s.count)
  }
}

func getResult(){
  sum := 0 //最高票数的人数
  highCount := students[0].count
  for i := 0;i < len(students);i++ {
    if students[i].count == highCount {
      sum++
    }
  }
  if 1 == sum {
    fmt.Printf("%s 候选人,获得最高票数: %d 票",students[0].name,students[0].count)
    flag = false
  } else {
    for i := 0; i < sum ;i ++ {
      fmt.Printf("%s候选人,\t",students[i].name)
    }
    fmt.Printf("均获得最高票数: %d 票,请重新投票\n",highCount)
    students = students[:sum]
    for i := 0;i < len(students);i++ {
      students[i].no = i + 1
      students[i].count = 0
    }
  }
}

func vote()  {
  for {
    fmt.Println("请输入候选人编号,0表示退出")
    n := 1
    fmt.Scanln(&n)
    //fmt.Println("n:",n)
    if 0 == n {
      fmt.Println("结束投票")
      break
    }else if n > 0 && n < len(students) {
      students[n-1].count = students[n-1].count + 1
    }else {
      fmt.Println("此票无效,请重新输入:")
    }
  }
}


func main() {
  initInfo()
  for flag {
    printInfo()
    vote()
    printInfo()
    getResult()
  }

}