题解 | #把数组排成最小的数#

class Solution {
public:
    string PrintMinNumber(vector<int> numbers) {
        vector<string>res;
        for(auto & x : numbers) res.push_back(to_string(x));
        for(int i=0;i<res.size();i++){
            for(int j=0;j<res.size()-1;j++){
                if(res[j] + res[j+1] > res[j+1] + res[j]){
                    string temp = res[j+1];
                    res[j+1] = res[j];
                    res[j] = temp;
                }
            }
        }//假冒泡（复杂版）进行一次字符串比较的排序
        string fin;
        for(auto &x : res) fin += x;
        return fin;
    }
};