func_code_string: #include <bits/stdc++.h>   using namespace std;   const int inf = int(1e9) + 7;   int main() {     ios::sync_with_stdio(false);     ios_base::sync_with_stdio(false);     long long n, m;     cin >> n >> m;     vector<long long> a(n);     for (int i = 0; i < n; ++i) {       cin >> a[i];     }     if (n >= 1001) {       cout << 0;       return 0;     }     long long res = 1;     for (int i = 0; i < n; ++i)       for (int j = i + 1; j < n; ++j) res = (res * (abs(a[i] - a[j]))) % m;     cout << res;     return 0;   }   