HackerRank FizzBuzz

fizzBuzz.go

package main

import (
    "bufio"
    "fmt"
    "io"
    "os"
    "strconv"
    "strings"
)



/*
 * Complete the 'fizzBuzz' function below.
 *
 * The function accepts INTEGER n as parameter.
 */

func fizzBuzz(n int32) {
    // Write your code here
    fizz := "Fizz"
    buzz := "Buzz"
    
    for i := int32(1); i <= n; i++ {
        if i % 3 == 0 && i % 5 == 0 {
            fmt.Println(fizz + buzz)
        } else if i % 3 == 0 {
            fmt.Println(fizz)
        } else if i % 5 == 0 {
            fmt.Println(buzz)
        } else {
            fmt.Println(i)
        }       
    }
}

func main() {
    reader := bufio.NewReaderSize(os.Stdin, 16 * 1024 * 1024)

    nTemp, err := strconv.ParseInt(strings.TrimSpace(readLine(reader)), 10, 64)
    checkError(err)
    n := int32(nTemp)

    fizzBuzz(n)
}

func readLine(reader *bufio.Reader) string {
    str, _, err := reader.ReadLine()
    if err == io.EOF {
        return ""
    }

    return strings.TrimRight(string(str), "\r\n")
}

func checkError(err error) {
    if err != nil {
        panic(err)
    }
}