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  1. #include <iostream>
  2. #include <cmath>
  3. #include <iomanip>
  4. using namespace std;
  5.  
  6. long long fibo(int n){
  7.     long long a1,a2,pom;
  8.     int i=1;
  9.     a1 = 0; a2 = 1;
  10.     while(i<=n){
  11.         pom = a2;
  12.         a2 = a1 + a2;
  13.         a1 =  pom;
  14.         i++;
  15.     }
  16.     return a1;
  17. }
  18.  
  19. int main(){
  20.     int n;
  21.     cin >> n;
  22.     cout << "Function: "<< setprecision(50) << fibo(n) << endl;
  23. }
Success #stdin #stdout 0s 4452KB
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Function: -6246583658587674878
https://ideone.com/Bj1f9s
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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