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  1. #include <iostream>
  2.  
  3. int main() {
  4. 	int k = 0;
  5. 	for(int a, b, n = scanf("%d %d", &a, &b) * 0 + a, r = a % 2; a <= b; k += r == 2, r = (n = ++a) % 2)
  6. 		while (n /= 10)
  7. 			r += n % 2;
  8. 	std::cout << k;
  9. 	return 0;
  10. }
Success #stdin #stdout 0s 4556KB
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https://ideone.com/MAkJR1
otvet.mail.ru/question/218642105
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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