字节跳动青训营——入营考核解答（持续更新中~~~）

news2024/10/20 23:12:44

考核内容：

在指定的题库中自主选择不少于 15 道算法题并完成解题，其中题目难度分配如下：

简单题不少于 10 道
中等题不少于 4 道
困难题不少于 1 道

解答代码

20. 百分位数（中等）

代码实现：

import java.util.Arrays;

public class Main {
    public static int solution(String data) {
        // 首先将输入的字符串转换为整数数组
        String[] strNums = data.split(",");
        int[] nums = new int[strNums.length];
        for (int i = 0; i < strNums.length; i++) {
            nums[i] = Integer.parseInt(strNums[i]);
        }
        // 对数组进行排序
        Arrays.sort(nums);
        // 计算 80 百分位数的位置
        int position = (int) Math.ceil(nums.length * 0.8);
        // 返回该位置的元素
        return nums[position - 1];
    }

    public static void main(String[] args) {
        // You can add more test cases here
        System.out.println(solution("10,1,9,2,8,3,7,4,6,5") == 8);
        System.out.println(solution("1,0,8,7,3,9,12,6,4,15,17,2,14,5,10,11,19,13,16,18") == 15);
        System.out.println(solution(
                "76,100,5,99,16,45,18,3,81,65,102,98,36,4,2,7,22,66,112,97,68,82,37,90,61,73,107,104,79,14,52,83,27,35,93,21,118,120,33,6,19,85,49,44,69,53,67,110,47,91,17,55,80,78,119,15,11,70,103,32,9,40,114,26,25,87,74,1,30,54,38,50,8,34,28,20,24,105,106,31,92,59,116,42,111,57,95,115,96,108,10,89,23,62,29,109,56,58,63,41,77,84,64,75,72,117,101,60,48,94,46,39,43,88,12,113,13,51,86,71") == 96);
    }
}