cpp36 wap to check whether the word is palindrome or not

#include <iostream>

using namespace std;

int main()
{
    int n;
    cin>>n;
    char arr[n+1];
    cin>>arr;
    bool check=1;
    for( int i=0;i<n;i++){
        if(arr[i] != arr[n-1-i]){
            check=0;
            break;
        }
    }
    if(check==true){
        cout<<"palindrome word"<<endl;
    }
    else{
        cout<<"not a palindrome"<<endl;
    }

    return 0;
}