largest odd number in string
class Solution { String maxOdd(String s) { // code here int n=s.length(); int ind=-1; //finding the largest odd digit for(int i=n-1; i>=0; i--){ if((s.charAt(i))%2==1){ ind=i; break; } } if(ind==-1) return ""; //skipping leading zeroes int i=0; while(i<=ind && s.charAt(i)=='0') i++; return s.substring(i,ind+1); } }