Find the minimum string required to add in a string to make it palindrome

Question

can any one have solution of this problem
ex- input- ababc
o/p - no. of character added 4
baba

Answer 1

Get a substring of the input, up to the last character. Reverse this substring.

string MakePalindrone(string str)
{
string sub = str.SubString(0, str.length-1);
// I don't remember if the Reverse method operates in place
string reversed = sub.Reverse();
return str+reversed;
}

Answer 2

thnks John. I also crack the code using for loop withut reversing the string

Answer 3

https://code.sololearn.com/c5IT1dP14GRi/?ref=app

my code