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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. long long fact_rec (int n)
  6. {
  7.     if (n <= 1)
  8.         return 1;
  9.  
  10.     else return n * fact_rec (n - 1);
  11. }
  12.  
  13. long long fact_dp (int n)
  14. {
  15.     long long facts[n + 1];
  16.     facts[0] = 1;
  17.  
  18.     for (int i = 1; i <= n; ++i)
  19.         facts[i] = facts[i - 1] * i;
  20.  
  21.     return facts[n];
  22. }
  23.  
  24. int main ()
  25. {
  26.     cout << fact_dp (80);
  27. }
Success #stdin #stdout 0s 4440KB
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https://ideone.com/XpFuZ5
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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