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  1. #include<iostream>
  2.  #define ull long long int
  3.  #define mod 1000000007
  4.  ull fact(ull n)
  5.  {
  6.            if(n==1 || n==0) return 1;
  7.            return ((n%mod)*(fact(n-1)%mod)%mod);
  8.  }
  9.  
  10.  ull fact2(ull n)
  11.  {
  12.  	ull result = 1;
  13.  	for (ull i = 2; i <= n; ++i) {
  14.  		result = (result * i) % mod;
  15.  	}
  16.  	return result;
  17.  }
  18.  
  19.  int main()
  20.  {
  21.               std::cout<<fact(50000)<<' '<<fact2(50000)<<std::endl;
  22.               return 0;
  23.  }
Success #stdin #stdout 0s 5356KB
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https://ideone.com/TRkM5a
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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