func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 1e6 + 10;   int a[N];   long long ans[N];   int main() {     int n;     cin >> n;     for (int i = 1; i <= n; i++) {       cin >> a[i];     }     if (n == 1) {       cout << 1 <<     << 1 <<   n ;       cout << 0 <<   n ;       cout << 1 <<     << 1 <<   n ;       cout << 0 <<   n ;       cout << 1 <<     << 1 <<   n ;       cout << -a[1] <<   n ;       return 0;     }     for (int i = 1; i <= n; i++) {       long long x = a[i];       long long yu = x % (n - 1);       long long byu = (n - 1 - yu) * n;       ans[i] = byu + a[i];     }     cout << 1 <<     << n <<   n ;     for (int i = 1; i <= n; i++) {       cout << ans[i] - a[i] <<    ;     }     cout <<   n ;     cout << 1 <<     << 1 <<   n ;     cout << -ans[1] <<   n ;     cout << 2 <<     << n <<   n ;     for (int i = 2; i <= n; i++) {       cout << -ans[i] <<    ;     }     return 0;   }   