Instrusive Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 596 Accepted Submission(s): 190 Problem Description The legendary mercenary Solid Matt gets a classic mission: infiltrate a milita…
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…
魔板 Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2921 Accepted Submission(s): 649 Problem Description 在魔方风靡全球之后不久,Rubik先生发明了它的简化版——魔板.魔板由8个同样大小的方块组成,每个方块颜色均不相同,可用数字1-8分别表示.任一时刻魔板的状态可用方块的颜…
Eight Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 30176 Accepted: 13119 Special Judge Description The 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed with 15…