40. 特殊a串数列求和

特殊a串数列求和

#include <stdio.h>

int main()
{
    int  i, a, n, item, sum, temp;
    while (scanf("%d %d", &a, &n) != EOF)
    {
        item = 0;
        sum = 0;
        temp = a;
        for (i = 1; i <= n; i++)
        {
            item = temp;
            sum = item+sum;
            temp = temp*10 + a;
        }
        printf("s = %d\n", sum);
    }
    return 0;
}