# include<stdio.h> # include<math.h> int main(void) { int i,t,n,sum =0; scanf("%d %d",&t,&n); int a[n]; a[0] = t; for(i=1;i<n;++i) { a[i] = t*pow(10,i) + a[i-1]; } for(i=0;i<n;++i) { sum = sum + a[i]; } printf("%d",sum); return 0; } |
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