https://www.hackerrank.com/challenges/30-review-loop

review_loop.go

package main
import "fmt"

func PrintEvenIndexes(array []byte) {
    for i := range array {
        if i % 2 == 0 {
            fmt.Printf("%s", string(array[i]))
        }
    }
}

func PrintOddIndexes(array []byte) {
    for i := range array {
        if i % 2 != 0 {
            fmt.Printf("%s", string(array[i]))
        }
    }
}

func main() {
 //Enter your code here. Read input from STDIN. Print output to STDOUT
    var size int
    var input string
    fmt.Scanf("%d", &size)
    
    for i := 0; i < size; i++ {
        fmt.Scanf("%v", &input)
        array := []byte(input)
        
        PrintEvenIndexes(array)
        fmt.Print(" ")
        PrintOddIndexes(array)
        fmt.Print("\n")
    }
}