func_code_string: #include <bits/stdc++.h>   const long long oo = 1e9;   const long long mod = 95542721;   const long long MAX = 1e9;   const long long ARR = 1e5;   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     long long n, m;     set<long long> x, y;     cin >> n >> m;     for (long long i = (0); i < (long long)(m); ++i) {       int a, b;       cin >> a >> b;       x.insert(a), y.insert(b);       cout << (n - x.size()) * (n - y.size()) <<    ;     }   }   