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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  8.     int n;
  9.     long long ans = 1; // ket qua cua n!
  10.  
  11.     cin >> n;
  12.     for (int i = 1; i <= n; i++)
  13.         ans *= i;
  14.     cout << ans;
  15. }
Success #stdin #stdout 0.01s 5328KB
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Standard input is empty
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Standard output is empty
https://ideone.com/XoUMon
language:
C++14 (gcc 8.3)
created:
2 hours ago
visibility:
public

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