leetcode

0 class Solution {

1 public:

2 string largestNumber(const vector<int> &nums) {

3 const static auto cmp = [](const string &x, const string &y) { return x + y > y + x; };

4

5 vector<string> v(nums.size());

6 for (int i = 0; i < v.size(); i++)

7 v[i] = to_string(nums[i]);

8

9 sort(v.begin(), v.end(), cmp);

10 if (v[0] == "0") return "0";

11

12 string res = "";

13 for (int i = 0; i < v.size(); i++)

14 res += v[i];

15 return res;

16 }

17 };