Problem details link: http://acm.timus.ru/problem.aspx?space=1&num=1009
Problem Description: This is a straightforward problem check validity of K-based numbers.
Problem Solution:
#include <stdio.h>
int main()
{
int m[1009],n,k;
scanf("%d %d",&n,&k);
m[1] = k-1;
m[2] = k*(k-1);
for (int i = 3; i <=n; i++)
{
m[i] = (m[i-1]+m[i-2])*(k-1);
}
printf("%d",m[n]);
return 0;
}
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