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HamzaStar

Untitled

Nov 14th, 2018
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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. int main(){
  5. int a, fakt;
  6. fakt=1;
  7. cin>>a;
  8. for (int i=1; i<=a; i++){
  9. fakt=fakt*i;
  10. while (fakt%10==0){
  11. fakt/10;
  12. }
  13. }
  14. cout<<fakt%10<<endl;
  15. return 0;
  16. }
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