P1980 [NOIP2013 普及组] 计数问题

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
char num[10];
int main()
{
    int n, x;
    while(scanf("%d %d", &n, &x) != EOF)
    {
        int kase = 0;
        for(int i = 1; i <= n; i++)
        {
            int temp = i;
            while(temp > 0)
            {
                if(temp%10 == x)
                {
                    kase++;
                }
                temp = temp/10;
            }
        }
        printf("%d\n", kase);
    }
    return 0;
}