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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n;
  6.     cin >> n;
  7.  
  8.     long long f[100005];
  9.  
  10.     f[1] = 1;
  11.     f[2] = 1;
  12.  
  13.     for (int i = 3; i <= n; i++)
  14.         f[i] = f[i - 1] + f[i - 2];
  15.  
  16.     cout << f[n];
  17.  
  18.     return 0;
  19. }
Success #stdin #stdout 0.01s 5316KB
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https://ideone.com/yfguVl
language:
C++ (gcc 8.3)
created:
7 days ago
visibility:
public

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