/cody/pratham0709/Striver-A-TO-Z-SDE-SHEET/Strings/Basic%20and%20Easy%20String%20Problems/Largest%20Odd%20Number%20in%20String.cpp
class Solution {public: string largestOddNumber(string num) { int n = num.length(); string ans = ""; for(int i =n-1; i>=0; i--){ if(num[i] %2 !=0){ return num.substr(0, i+1); } } return ""; }};