fork download
copy 
  1. #include <algorithm>
  2. #include <iostream>
  3. #include <vector>
  4.  
  5. void fibo1(int n) {
  6.     int a = 1;
  7.     int b = 1;
  8.  
  9.     for (int i = 1; i <= n; i++){
  10.         if (i == b)
  11.         {
  12.             int c = a + b;
  13.             a = b;
  14.             b = c;
  15.             std::cout <<"F";
  16.         }
  17.         else
  18.         {
  19.             std::cout <<"f";
  20.         }
  21.     }
  22. }
  23.  
  24. void fibo2(int n) {
  25.     std::vector<int> arr(n);
  26.     arr[0] = arr[1] = 1;
  27.     for (int i = 2; i < n; i++){
  28.         arr[i] = arr[i-1] + arr[i-2];
  29.     }
  30.  
  31.     for (int i = 1; i <= n; i++){
  32.         if (std::find(arr.begin(), arr.end(), i) == arr.end()) {
  33.             std::cout << "f";
  34.         } else {
  35.             std::cout << "F";
  36.         }
  37.     }
  38. }
  39.  
  40. int main()
  41. {
  42.     fibo1(21); std::cout << std::endl;
  43.     fibo2(21); std::cout << std::endl;
  44. }
  45.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
FFFfFffFffffFfffffffF
FFFfFffFffffFfffffffF
https://ideone.com/7LIwI6
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!