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#include <iostream>

int main() {
	int k = 0;
	for(int a, b, n = scanf("%d %d", &a, &b) * 0 + a, r = a % 2; a <= b; k += r == 2, r = (n = ++a) % 2)
		while (n /= 10)
			r += n % 2;
	std::cout << k;
	return 0;
}
Success #stdin #stdout 0s 4556KB
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95 110
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9
https://ideone.com/MAkJR1
otvet.mail.ru/question/218642105
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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