25 lines
426 B
C++
25 lines
426 B
C++
#include<iostream>
|
|
using namespace std;
|
|
int f[10005];
|
|
int n;
|
|
int deal(int n)
|
|
{
|
|
if(f[n]!=0)
|
|
return f[n];
|
|
f[n-1]=deal(n-1)%9997;
|
|
f[n-2]=deal(n-2)%9997;
|
|
f[n-4]=deal(n-4)%9997;
|
|
return ((f[n-1]+f[n-2]+f[n-4])%9997);
|
|
}
|
|
int main()
|
|
{
|
|
while(scanf("%d",&n)!=EOF&&n!=-1)
|
|
{
|
|
f[0]=1;
|
|
f[1]=2;
|
|
f[2]=4;
|
|
f[3]=7;
|
|
printf("%d\n",deal(n));
|
|
}
|
|
}
|