03. Histogram

package main

import "fmt"

func main() {
    var n, number int
    fmt.Scanln(&n)

    var p1 = 0.0
    var p2 = 0.0
    var p3 = 0.0
    var p4 = 0.0
    var p5 = 0.0

    for i := 0; i < n; i++ {
        fmt.Scanln(&number)
        if number < 200 {
            p1 += 1
        } else if number < 400 {
            p2 += 1
        } else if number < 600 {
            p3 += 1
        } else if number < 800 {
            p4 += 1
        } else {
            p5 += 1
        }
    }

    fmt.Printf("%.2f%%\n", p1 / float64(n) * 100)
    fmt.Printf("%.2f%%\n", p2 / float64(n) * 100)
    fmt.Printf("%.2f%%\n", p3 / float64(n) * 100)
    fmt.Printf("%.2f%%\n", p4 / float64(n) * 100)
    fmt.Printf("%.2f%%\n", p5 / float64(n) * 100)
}