题解 | 牛牛数数

#include <iostream>

using namespace std;
bool check(long n)
{
	while (n > 0)
	{
		if (n % 10 == 4) return true;
		n /= 10;
	}
	return false;
}
int main()
{
	long n = 0;
	cin >> n;
	for (int i = 1; i <= n; i++)
	{
		if (i % 4 != 0 && !check(i)) cout << i << endl;
	}
}