题解 | #三个牛群中位数#

class Solution {
public:
    /**
     * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
     *
     * 
     * @param herd1 int整型vector 
     * @param herd2 int整型vector 
     * @param herd3 int整型vector 
     * @return double浮点型
     */
    double findMedianSortedArray(vector<int>& herd1, vector<int>& herd2, vector<int>& herd3) {
        // write code here

        for(auto t_2:herd2)
            herd1.emplace_back(t_2);

        for(auto t_3:herd3)
            herd1.emplace_back(t_3);

        sort(herd1.begin(), herd1.end());
        int len = herd1.size();

        if(len%2==0)
            return ((double)herd1[len/2-1] + (double)herd1[len/2])/2.0;
        
        return (double)herd1[len/2];
    }
};