题解 | 左侧严格小于计数

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int[] arr = new int[n];
        int[] brr = new int[n];
        for(int i = 0; i < arr.length; i++){
            arr[i] = in.nextInt();
        }
        for(int i = 0; i < brr.length; i++){
            brr[i] = getbj(i, arr);
        }
        print(brr);
    }

    public static int getbj(int i ,int[] arr){
        int count = 0;
        for(int j = 0; j < i; j++){
            if(arr[j] < arr[i]){
                count++;
            }
        }
        return count;
    }

    public static void print(int[] brr){
        for(int i = 0; i < brr.length; i++){
            System.out.print(brr[i] + " ");
        }
    }
}