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  1. #include <iostream>
  2. #include <iterator>
  3. #include <algorithm>
  4.  
  5. int main(void){
  6. 	int a[] = { 3, 4, 5, 12, 15, 8, 10, 20, 21, 25 };
  7. 	int n   = sizeof(a)/sizeof(a[0]);
  8.  
  9. 	int x = 5;
  10. 	int m = 1;
  11. 	int k = std::count_if(a, a + n, [x,&m] (int v) {
  12. 		bool r = (v % x) == 0;
  13. 		if(r)
  14. 			m *= v;
  15. 		return r;
  16. 	});
  17.  
  18. 	if(k > 0) {
  19. 		std::cout << "кол-во: " << k << std::endl;
  20. 		std::cout << "произведение: " << m << std::endl;
  21.  
  22. 		std::sort(a, a + n, [] (int a, int b) {
  23. 			return (a > b);
  24. 		});
  25. 		std::copy(a, a + n, std::ostream_iterator<int>(std::cout, " "));
  26. 	} else
  27. 		std::cout << "Нет чисел кратных 5-ти!" << std::endl;
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 3412KB
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Standard input is empty
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кол-во: 5
произведение: 375000
25 21 20 15 12 10 8 5 4 3
https://ideone.com/Ws61fl
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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