| 6 | #define mod 1000000007 |
| 7 | #define endl '\n' |
| 8 | bool isPalindrome(char s[],int i,int n){ |
| 9 | if(i>=n/2) |
| 10 | return true; |
| 11 | if(s[i]!=s[n-i-1]) |
| 12 | return false; |
| 13 | return isPalindrome(s,i+1,n); |
| 14 | } |
| 15 | int main(){ |
| 16 | cin.tie(0)->sync_with_stdio(0); |
| 17 | int n;cin>>n; |