1903.cpp (238B)
1 class Solution { 2 public: 3 string largestOddNumber(const string &num) const { 4 for (int i = num.size() - 1; i >= 0; i--) { 5 if ((num[i] & 0x1F) % 2) return num.substr(0, i + 1); 6 } 7 return ""; 8 } 9 };