Ŀ

գҪıйص䡣
һrepeat (0<repeat<10)repeat㣺
 a  n, aaaaaaaaa(na)֮͡
Ҫ岢úfn(a, n)ĹǷ aaanaβanintlong磬fn(3,2)ķֵ33
ʾ˵

2       (repeat=2)
2 3     (a=2, n=3)
8 5     (a=8, n=5)

246     (2+22+222)
98760   (8+88+888+8888+88888) 



#include <stdio.h>
int main(void)
{
    int a, i, n;
    int ri, repeat;
    long sn;
    long fn(int a, int n);

    scanf("%d", &repeat);
    for(ri = 1; ri <= repeat; ri++){
        scanf("%ld%d", &a, &n);
/*---------*/
        printf("%ld\n", sn);
    }
}

/*---------*/
