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
#include <iostream>

int main(){
    long long l, r;

    std::cin >> l >> r;

    long long potytschkovCount = 0;

    for (long long candidateNumber = l; candidateNumber <= r; ++candidateNumber) {
        int digit;
        long long tmp = candidateNumber;

        bool ifFulfills = true;

        while (tmp > 0) {
            digit = tmp % 10;
            
            if (digit == 0 || candidateNumber % digit != 0){
                ifFulfills = false;

                break;
            }
            
            tmp /= 10;
        }

        if (ifFulfills) {
            ++potytschkovCount;
        }
    }

    std::cout << potytschkovCount << std::endl;

    return 0;
}