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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6.     int x = 2;
  7.  
  8.     // Wspolczynniki: a3, a2, a1, a0
  9.     vector<int> a = {1, 2, 3, 4};
  10.  
  11.     int stopien = 3;
  12.     int wynik = a[0];
  13.  
  14.     cout << "Schemat Hornera – kolejne kroki:\n";
  15.     cout << "x = " << x << endl;
  16.     cout << "Start: wynik = a3 = " << wynik << endl;
  17.  
  18.     for (int i = 1; i <= stopien; i++) {
  19.         cout << "\nKrok " << i << ":" << endl;
  20.         cout << "wynik = " << wynik << " * " << x
  21.              << " + a" << (stopien - i)
  22.              << " (" << a[i] << ")" << endl;
  23.  
  24.         wynik = wynik * x + a[i];
  25.  
  26.         cout << "wynik = " << wynik << endl;
  27.     }
  28.  
  29.     cout << "\nW(" << x << ") = " << wynik << endl;
  30.  
  31.     return 0;
  32. }
Success #stdin #stdout 0.01s 5320KB
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stdin
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Standard input is empty
stdout
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Schemat Hornera – kolejne kroki:
x = 2
Start: wynik = a3 = 1

Krok 1:
wynik = 1 * 2 + a2 (2)
wynik = 4

Krok 2:
wynik = 4 * 2 + a1 (3)
wynik = 11

Krok 3:
wynik = 11 * 2 + a0 (4)
wynik = 26

W(2) = 26
https://ideone.com/EnApuH
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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