题解 | 最大的差

package main

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

func main() {
	sc := bufio.NewScanner(os.Stdin)
	sc.Buffer(make([]byte, 1024*1024), 1024*1024)
	sc.Scan()
	n, _ := strconv.Atoi(sc.Text())
	sc.Scan()
	a := make([]int, n)
	s := strings.Fields(sc.Text())
	for i := 0; i < n; i++ {
		a[i], _ = strconv.Atoi(string(s[i]))
	}
	sort.Ints(a)
	fmt.Print(a[n-1] - a[0])
}