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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n, firstNo = 0, secondNo = 1, theNo = 1;
  6.     cin >> n;
  7.     while (n > 1) {
  8.         theNo = firstNo + secondNo;
  9.         firstNo = secondNo;
  10.         secondNo = theNo;
  11.         --n;
  12.     }
  13.     cout << theNo;
  14.     return 0;
  15. }
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin 
7
stdout 
13
https://ideone.com/fvjqlA
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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