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
34
35
36
37
38
39
40
41
42
43
44
#include <iostream>
#include <algorithm>
#include <string>

using namespace std;

bool checkDivisibility(int n, int digit)
{
    return (digit != 0 && n % digit == 0);
}


bool allDigitsDivide(int n)
{
    int temp = n;
    while (temp > 0) {
        int digit = temp % 10;
        if (!(checkDivisibility(n, digit)))
            return false;

        temp /= 10;
    }
    return true;
}


int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);

    long long x,y;
    long long counter = 0;
    cin >> x >> y;
    for(int i = x;i<=y; i++){
        if (allDigitsDivide(i))
            counter++;
    }

    cout << counter;


    return 0;
}