Nexus Births

nexus_births.go

package main

import (
	"fmt"
	"sort"
	"strconv"
	"strings"
)

func main() {

	for _, year := range []int{1988, 1996, 1994, 2000, 2001, 2003}{
		fmt.Println(nexus(year))
	}
}

func nexus(birthDate int) []int {

	result := make([]int, 3)

	birth := fmt.Sprint(birthDate)
	var nums sort.StringSlice = strings.Split(birth, "")

	nums.Sort()

	startLine, err := strconv.Atoi(strings.Join(nums, ""))

	if err != nil {
		panic("error to convert")
	}

	result[0] = startLine
	result[1] = birthDate

	sort.Sort(sort.Reverse(nums[:]))

	finishLine, err := strconv.Atoi(strings.Join(nums, ""))

	if err != nil {
		panic("error to convert")
	}

	result[2] = finishLine

	return result
}

// OUTPUT
/*
[1889 1988 9881]
[1699 1996 9961]
[1499 1994 9941]
[2 2000 2000]
[12 2001 2100]
[23 2003 3200]
*/