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  1. #include <iostream>
  2. #include<cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. long long int a[50000];
  7. a[0]=1;
  8. a[1]=1;
  9. for(long long i=2;i<50000;++i)
  10. a[i]=a[i-1]+a[i-2];
  11. long long k;
  12. cin>>k;
  13. cout<<a[k];
  14. return 0;
  15. }
Success #stdin #stdout 0s 4212KB
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https://ideone.com/nzD6xm
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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