Palindrome String

#include <stdio.h>
#include <string.h>
int main() {
    char str[] = "racecar";
    int n = strlen(str), ok = 1;
    for (int i = 0; i < n/2; i++)
        if (str[i] != str[n-1-i]) { ok = 0; break; }
    printf("%s\n", ok ? "Palindrome" : "Not Palindrome");
    return 0;
}