西安交通大学915-2016-编程2

#include <iostream>
#include <cstring>
#include <cstdlib>
using namespace std;

#define N 128

int Count(int m, int n) {
    char num[N] = {0};
    itoa(m, num, 10);
    int cnt = 0;
    int i = 0;
    while (num[i] != '\0') {
        if (num[i] - '0' == n) {
            cnt++;
        }
        i++;
    }
    return cnt;
}

int main() {
    int n, m;
    cin >> n >> m;
    int ans = Count(n, m);
    cout << ans << endl;
    return 0;
}