题解 | 左侧严格小于计数

package main

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

func main() {
	sc := bufio.NewScanner(os.Stdin)
	sc.Scan()
	n, _ := strconv.Atoi(sc.Text())

	a := make([]int, n)
	sc.Scan()
	s := strings.Fields(sc.Text())
	for i := 0; i < n; i++ {
		a[i], _ = strconv.Atoi(s[i])
	}
	b := make([]int, n)
	for i := n - 1; i >= 0; i-- {
		for j := 0; j < i; j++ {
			if a[i] > a[j] {
				b[i] += 1
			}
		}
	}
	for _, e := range b {
		fmt.Printf("%d ", e)
	}
}