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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int sumN(int n) {
  5.     if (n == 1) return 1;
  6.     return n + sumN(n - 1);
  7. }
  8.  
  9. int main() {
  10.     int n;
  11.     cout << "Введіть n: ";
  12.     cin >> n;
  13.     cout << "Сума перших " << n << " натуральних чисел: " << sumN(n) << endl;
  14.     return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5324KB
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Standard input is empty
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Введіть n: Сума перших 32764 натуральних чисел: 536756230
https://ideone.com/Tik7hB
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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