leetcode

0 class Solution {

1 public:

2 string largestOddNumber(const string &num) const {

3 for (int i = num.size() - 1; i >= 0; i--) {

4 if ((num[i] & 0x1F) % 2) return num.substr(0, i + 1);

5 }

6 return "";

7 }

8 };