func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long n, a[100001];     cin >> n;     for (int i = 0; i < n; i++) cin >> a[i];     cout << 1 <<     << n << endl;     cout << 0 <<    ;     for (int i = 1; i < n; i++) cout << (n * (n - 1 - a[i])) <<    ;     cout << endl;     cout << 1 <<     << 1 << endl;     cout << (-a[0]) << endl;     if (n > 1) {       cout << 2 <<     << n << endl;       for (int i = 1; i < n; i++) cout << ((n - 1) * (a[i] - n)) <<    ;       cout << endl;     } else {       cout << 1 <<     << 1 << endl;       cout << 0 << endl;     }     return 0;   }   