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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. int main()
  5. {
  6.     double phi = (1 + std::sqrt(5))/2;
  7.     for(int n = 1; n <= 20; ++n) {
  8.         unsigned int fib = std::pow(phi, n)/sqrt(5) + 0.5;
  9.         std::cout << fib << '\n';
  10.     }
  11. }
  12.  
Success #stdin #stdout 0s 2852KB
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stdin
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Standard input is empty
stdout
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1
1
2
3
5
8
13
21
34
55
89
144
233
377
610
987
1597
2584
4181
6765
https://ideone.com/hLsoWY
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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