func_code_string: #include <bits/stdc++.h>   using namespace std;   int oo = 1000000000;   long long n;   long long a[100005];   int main() {     ios_base::sync_with_stdio(false);     cin.tie(nullptr), cout.tie(nullptr);     cin >> n;     for (int i = 1; i <= n; i++) cin >> a[i];     if (n == 1) {       cout << 1 <<     << 1 << endl;       cout << -a[1] << endl;       a[1] = 0;       cout << 1 <<     << 1 << endl;       cout << -a[1] << endl;       cout << 1 <<     << 1 << endl;       cout << -a[1] << endl;       return 0;     }     cout << 1 <<     << 1 << endl;     cout << n - (a[1] % n) << endl;     a[1] += n - (a[1] % n);     cout << 2 <<     << n << endl;     for (int i = 2; i <= n; i++) {       cout << (a[i] % n) * (n - 1) <<    ;       a[i] += (a[i] % n) * (n - 1);     }     cout << endl;     cout << 1 <<     << n << endl;     for (int i = 1; i <= n; i++) cout << -a[i] <<    ;     return 0;   }   