minimum characters to make string palindrome
string s;
int len=0,i=1;
cin>>s;
int n=s.size();
vector<int> LPS(n);
LPS[0]=0;
while(i<n)
{
if(s[i]==s[len]) LPS[i++]=++len;
else
{
if(len==0) LPS[i++]=0;
else len=LPS[len-1];
}
}check if a string is a palindrome
int length = myString.Length;
for (int i = 0; i < length / 2; i++)
{
if (myString[i] != myString[length - i - 1])
return false;
}
return true;Copyright © 2021 Codeinu
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