hdu 1250

#include<stdio.h>int a[10100][505]={0};int main(){int i,j,n;a[1][1]=a[2][1]=a[3][1]=a[4][1]=1;for(i=5;i<=10000;i++){for(j=1;j<=500;j++){a[i][j]+=a[i-1][j]+a[i-2][j]+a[i-3][j]+a[i-4][j];a[i][j+1]+=a[i][j]/100000;a[i][j]=a[i][j]%100000;}}while(scanf("%d",&n)!=EOF){for(j=500;j>=1;j--)if(a[n][j]!=0){printf("%d",a[n][j]);break;}for(i=j-1;i>=1;i--)printf("%05d",a[n][i]);printf("\n");}return 0;}