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Leetcode 2028. find out the missing observation data

2022-07-22 18:49:00 【Great white sheep_ Aries】

Title Description

2028. Find missing observations

solution ：

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class Solution {
    
public:
    vector<int> missingRolls(vector<int>& rolls, int mean, int n) {
    
        vector<int> ans;
        int m = rolls.size();
        int t = mean * (m + n);
        for (auto i : rolls) t -= i;
        if (t < n || t > 6 * n) return ans;
        for (int i = 0; i < n; i++) ans.emplace_back(t / n);
        if (t / n * n < t)
        {
    
            int d = t - (t / n * n);
            for (int i = 0; d > 0; i++, d--) ans[i]++;
        }
        return ans;
    }
};