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; 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; }