题解 | #把数组排成最小的数#

class Solution {
public:
    string PrintMinNumber(vector<int>& numbers) {
        // write code here
        vector<string> vs;
        for(int i = 0; i < numbers.size(); ++i)
        {
            vs.push_back(to_string(numbers[i]));
        }
        sort(vs.begin(), vs.end(), [](string x, string y){ return x + y < y + x;});// 将最大最小值组合转为string类型进行比较
        string s;
        for(auto i : vs)   s+= i;
        return s;
    }
};