http://acm.hdu.edu.cn/showproblem.php?pid=3681 Prison Break Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3182 Accepted Submission(s): 812 Problem Description Rompire is a robot kingdom an…
Description Harry: "But Hagrid. How am I going to pay for all of this? I haven't any money." Hagrid: "Well there's your money, Harry! Gringotts, the wizard bank! Ain't no safer place. Not one. Except perhaps Hogwarts." ― Rubeus Hagrid…
Cleaning Robot Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4264 Accepted: 1713 Description Here, we want to solve path planning for a mobile robot cleaning a rectangular room floor with furniture. Consider the room floor paved with squ…
Tunnels Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description Bob is travelling in Xi’an. He finds many secret tunnels beneath the city. In his eyes, the city is a grid. He can’t enter a grid with a b…