Online Judge【杭电】[1097]A hard puzzle问题描述A hard puzzle[hdu-1097] [3158622413313116] @vjudge问题分析找规律的题话说上传顺序貌似不对……这题是之后写的了不过这都不重要啦 1 2 3 4 5 6 7 8 9 10 11 12 13 14 #include<stdio.h> int main() { int i,a,b,m; while(scanf("%d %d",&a,&b)!=EOF) { a=a%10; b=b%4; if(b==0) b=4; for(i=0,m=1; i<b; i++) m=(m*a)%10; printf("%d\n",m); } return 0; }