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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. // your code goes here
  6. int n;
  7. cin>>n;
  8. int fac=1;
  9. for(int i=1;i<=n;i++)
  10. {
  11. fac=fac*i;
  12. }
  13. cout<<fac;
  14. return 0;
  15. }
Success #stdin #stdout 0.01s 5388KB
stdin
5
stdout
120