求改错！Sn=b+bb+…+b…b的值

Question

Answer 1

供参考：

#include<stdio.h>
int main()
{
    int a,n,i,Tn=0,s=0;
    printf("请输入a和n数值:");
    scanf("%d,%d",&a,&n);
    for(i=1;i<=n;i++)
    {
        s = s*10 + a;
        Tn = Tn + s;
    }
    printf("Tn=%d",Tn);
    return 0;
}