解题心得: 1.point:关于可以返回路径的BFS的标记方法,并非是简单的0-1,而是可以用时间比较之后判断是否push. 2.queue创建的地点(初始化问题),在全局中创建queue在一次调用BFS()函数之后并不会初始化,应该在BFS()函数之中创建queue. 3.有关BFS的题可以用不同的函数实现不同的功能(maps_store.check.BFS),在查找bug的时候思路更为清晰. 4.边界一定要找清楚,怎么处理边界,尽量不重复,不超过,边界可以check中进行处理,这样check…

题目:http://acm.hdu.edu.cn/showproblem.php?pid=1072 Description Ignatius had a nightmare last night. He found himself in a labyrinth with a time bomb on him. The labyrinth has an exit, Ignatius should get out of the labyrinth before the bomb explodes.…

Nightmare Ⅱ Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 886    Accepted Submission(s): 185 Problem Description Last night, little erriyue had a horrible nightmare. He dreamed that he and hi…

Nightmare 时间限制:1000 ms  |  内存限制:65535 KB 难度:4   描述 Ignatius had a nightmare last night. He found himself in a labyrinth with a time bomb on him. The labyrinth has an exit, Ignatius should get out of the labyrinth before the bomb explodes. The initial…

Nightmare Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 4   Accepted Submission(s) : 3 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Ignatius had a nightmare last…

Last night, little erriyue had a horrible nightmare. He dreamed that he and his girl friend were trapped in a big maze separately. More terribly, there are two ghosts in the maze. They will kill the people. Now little erriyue wants to know if he coul…

Nightmare Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5647    Accepted Submission(s): 2808 Problem Description Ignatius had a nightmare last night. He found himself in a labyrinth with a ti…

Nightmare Problem Description Ignatius had a nightmare last night. He found himself in a labyrinth with a time bomb on him. The labyrinth has an exit, Ignatius should get out of the labyrinth before the bomb explodes. The initial exploding time of th…

Nightmare Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5795    Accepted Submission(s): 2868 Problem Description Ignatius had a nightmare last night. He found himself in a labyrinth with a ti…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3085 Nightmare Ⅱ Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2790    Accepted Submission(s): 781 Problem Description Last night, little erriyu…