hdu 1097

打表题：

AC：

#include<stdio.h>
int sz[10][4]={{0},{1},{6,2,4,8},{1,3,9,7},{6,4},{5},{6},{1,7,9,3},{6,8,4,2},{1,9}};
int main()
{
	int a,b;
	while(scanf("%d %d",&a,&b)==2)
	{
		int d=a%10;
		if(d==0||d==1||d==5||d==6)
		printf("%d\n",d);
		else if(d==4||d==9)
		printf("%d\n",sz[d][b%2]);
		else if(d==2||d==3||d==7||d==8)
		printf("%d\n",sz[d][b%4]);
	}
	return 0;
}