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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. void fib(unsigned long n)
  6. {
  7.     unsigned long long a = 1, b = 1;
  8.     for (unsigned long i = 1; i < n; i++) {
  9.         b = a + b; //pod zmienną b przypisujemy wyraz następny czyli a+b
  10.         a = b - a;
  11.         b = b % 10000;
  12.         a = a % 10000;
  13.     }
  14.     cout << a;
  15. }
  16.  
  17. int main()
  18. {
  19.     unsigned long n;
  20.     cin >> n;
  21.     fib(n);
  22.     return 0;
  23. }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/Za3BIy
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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