人见人爱A^B Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 27711 Accepted Submission(s): 18946 Problem Description 求A^B的最后三位数表示的整数. 说明:A^B的含义是"A的B次方" Input 输入数据包含多个测试实例,每个实例占一行,由两个正整 数A和…
for the backtracking part, thanks to the video of stanford cs106b lecture 10 by Julie Zelenski for the nice explanation of recursion and backtracking, highly recommended. in hdu 2553 cout N-Queens solutions problem, dfs is used. // please ignore, bel…