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- #include <iostream>
- using namespace std;
- int main() {
- int n, x;
- cin >> n >> x;
- int a[n + 1];
- for (int i = n; i >= 0; --i)
- {
- cin >> a[i];
- }
- int s = a[n]; // тут s = a0
- for (int i = 1; i <= n; ++i)
- {
- s *= x;
- s += a[n-i];
- }
- cout << s << endl;
- return 0;
- }
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