Longest Palindromic Subarray
#include "lps.h"
#include <iostream>
#include <vector>
int main() {
std::vector<int> v = { 1, 3, 1, 2, 3, 2, 1, 5 };
std::cout << util::longest_palindromic_subarray(v.begin(), v.end()) << std::endl;
return 0;
}
```