模拟-leetcode-周赛261-5891.找出缺失的观测数据

5891. 找出缺失的观测数据 - 力扣（LeetCode） (leetcode-cn.com)

import java.util.ArrayList;
import java.util.List;

class Solution {
    public int[] missingRolls(int[] rolls, int mean, int n) {
        int m = rolls.length;
        int rolls_sum = 0;
        for (int i = 0; i < m; i++) {
            rolls_sum += rolls[i];
        }
        int defect_sum = mean * (m + n) - rolls_sum;//算出defect_sum
        int[] ans = new int[n];
        //defect_sum不能太小，小到比n还小
        //defect_sum不能太大，大到比n*6还大
        if (defect_sum < n || defect_sum > 6 * n) {
            return new int[]{};
        }
        while (defect_sum > 0) {
            for (int i = 0; i < n && defect_sum > 0; i++) {
                ans[i] += 1;
                defect_sum -= 1;
            }
        }
        return ans;
    }
}