func_code_string: #include <bits/stdc++.h>   using namespace std;   void solve() {     long long n;     cin >> n;     long long x = n * (n * n + 1) / 2;     vector<long long> a[101];     for (long long j = 0; j < n / 2; j++)       for (long long i = 1; i < n + 1; i++) {         long long x = n * j + i;         a[i].push_back(x);         a[i].push_back(n * n - x + 1);       }     for (long long i = 1; i < n + 1; i++) {       for (auto x : a[i]) cout << x <<    ;       cout <<   n ;     }   }   signed main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     long long TESTS = 1;     while (TESTS--) {       solve();     }     return 0;   }   