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#2
_Strike2016-04-12 23:47
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#include <stdio.h>
#include <math.h>
int main()
{
int a, n,i,sum;
printf("please enter two integer for a and n:\n");
scanf("%d %d",&a,&n);
for(i=1,sum=0;i <= n;i++)
{
sum += a;
a = a*10+a;
}
printf("%d",sum);
return 0;
}