hackerrank_input_parser.go

package main
import (
	"fmt"
	"strings"
	"bufio"
	"bytes"
    "strconv"
	"io"
	"os"
)

var lines []string

func lineToIntArray(line string) []int {
    arr := strings.Split(line, " ")
    ret := make([]int, len(arr))
    for i, el := range arr {
        n, err := strconv.Atoi(el)
        if err != nil {
            panic(fmt.Sprintf("Failed to convert %v to int: %v", el, err))
        }
        ret[i] = n
    }
    return ret
}

func init() {
	reader := bufio.NewReader(os.Stdin)
	buf := bytes.NewBuffer(nil)
	io.Copy(buf, reader)
	lines = strings.Split(fmt.Sprint(buf), "\n")
}