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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.    int n;
  6.    cin >> n;
  7.    int F[51] = {0, 1, 1, 2, 3};
  8.    for(int i = 5; i <= n; i++) {
  9.       F[i] = F[i-2] + F[i-3] + F[i-4];
  10.    }
  11.    cout << F[n];
  12.    return 0;
  13. }
  14.  
  15.  
Success #stdin #stdout 0s 4528KB
comments (?)
stdin 
50
stdout 
122106097
https://ideone.com/DT39mw
Заповнення смуги 3 x n #1
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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