// No.716 距離
package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
	"strconv"
)

func main() {
	var sc = bufio.NewScanner(os.Stdin)
	sc.Split(bufio.ScanWords)
	nextInt := func() int {
		sc.Scan()
		i, _ := strconv.Atoi(sc.Text())
		return i
	}
	var n = nextInt()
	var a = make([]int, n)
	for i := 0; i < n; i++ {
		a[i] = nextInt()
	}
	sort.Ints(a)
	minDiff := a[1] - a[0]
	for j := 1; j < n; j++ {
		minDiff = min(minDiff, a[j]-a[j-1])
	}
	fmt.Println(minDiff)
	fmt.Println(a[len(a)-1] - a[0])
}