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Farjana_akter

Untitled

Jan 26th, 2019
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. long long int a[60],j,i,n;
  6. a[0]=1;
  7. a[1]=1;
  8. for(i=2;i<=50;i++)
  9. a[i]=a[i-1]+a[i-2];
  10. while(cin>>n && n)
  11. {
  12. cout<<a[n]<<endl;
  13. }
  14. return 0;
  15. }
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