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  1. #include <iostream>
  2. int main()
  3. {
  4. int n;
  5. int fact{1};
  6. std::cout<<"Enter a number: \n";
  7. std::cin>>n;
  8. for(auto i{1};i<=n;i++)
  9. fact*=i;
  10. std::cout<<"fact of "<<n<<" is "<<fact;
  11. }
Success #stdin #stdout 0s 3464KB
stdin
5
stdout
Enter a number: 
fact of 5 is 120