# include<stdio.h> # include<math.h> int main(void) { int a,n,i,s = 0,sum = 0; scanf("%d %d",&a,&n); for(i=0;i<n;++i) { s = s + a*pow(10,i); sum = sum + s; } printf("%d\n",sum); return 0; }
Double click to view unformatted code.