1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
#include <iostream>
#include <string>
using namespace std;


bool checkZero(unsigned long long x) {
	string xStr = to_string(x);
	for (int i = 0; i < xStr.length(); i++) {
		if (xStr[i] == '0') return false;
	}
	return true;
}

void processNumber(unsigned long long x, int &counter){
	if (!checkZero(x)) return;
	string xStr = to_string(x);
	for (int i = 0; i < xStr.length(); i++){ 
		if (x%(int(xStr[i])-48) == 0) continue;
		return;
	}
	counter++; return;
}

int main()
{
	unsigned long long l, r; cin >> l >> r;
	int counter = 0;
	for (l; l <= r; l++) {
		processNumber(l, counter);
	}
	cout << counter;
	return 0;
}