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wurdalak007

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Jan 30th, 2018
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  1. /*Найти, на сколько нулей оканчивается n! = 1 * 2 * 3 * … * n.
  2. n ≤ 1000.*/
  3.  
  4. #include<iostream>
  5. using namespace std;
  6.  
  7. int main() {
  8. int num;
  9. cin >> num;
  10.  
  11. int div = 10;
  12. int temp = 0;
  13.  
  14. while (num / div != 0) {
  15. temp += num / div;
  16. div *= 10;
  17. }
  18.  
  19. cout << temp;
  20.  
  21. return 0;
  22. }
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