Go through the Link Of the question b4 reading the follwing lines
Link of the Question:-http://www.codechef.com/problems/DIVGOLD/
In The question it has been asked that we are allowed to perform only one ty[e of operation i.e:
Choose any position in the string, remove the character at that position and insert it back to any other place in the string.
The above solution is possible if only one opeartion is possible
Following strictly that only one opearation si possible I am getting WA.