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hdu1242 DFS基础(回溯的重要性)
题目大意:在迷宫里从a出发走到r,每走一格时间+1,但是遇到x时间还要额外+1,求最短的时间。 题解:直接dfs把每一个格子都走一遍,设置一个时间参数,走一格就+1,还要注意回溯和剪枝。 很多新手都会疑惑,回溯有什么用呢?回溯的作用就是在分叉口时你选择了这一条路,往这条路一直走不可回头(用访问数组标 ...
分类:其他好文   时间:2018-07-20 15:21:56    阅读次数:165
HDU1242 Rescue
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1242 参考博文1:http://blog.csdn.net/iaccepted/article/details/23101875 参考博文2:http://blog.csdn.net/libin5684 ...
分类:其他好文   时间:2017-03-27 23:08:13    阅读次数:264
HDU1242 Rescue
Rescue Time Limit: 1000MS Memory Limit: 32768KB 64bit IO Format: %I64d & %I64u Description Angel was caught by the MOLIGPY! He was put in prison by Mo ...
分类:其他好文   时间:2016-06-15 00:01:46    阅读次数:320
hdu1242 bfs
Rescue Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 24608 Accepted Submission(s): 8686 Problem ...
分类:其他好文   时间:2016-04-26 14:15:49    阅读次数:125
hdu1242 优先队列+bfs
RescueTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22034Accepted Submission(s): 7843Problem Des...
分类:其他好文   时间:2015-09-17 23:19:05    阅读次数:387
hdu1242
链接:点击打开链接 题意:r为起点,a为终点,没走一步需要花费一个单位时间,x为怪,遇到怪可以考虑打怪,打怪会花费一个单位时间,问走到终点最少花费时间为多少 代码:#include #include #include #include #include #include using namespace std; int n,m,enx,eny; int xx[]={-1,0,1,0...
分类:其他好文   时间:2015-08-31 06:32:37    阅读次数:211
hdu1242 Rescue(BFS)
Rescue Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 21701    Accepted Submission(s): 7745 Problem Description Angel was caught b...
分类:其他好文   时间:2015-08-19 13:30:00    阅读次数:120
hdu1242(Rescue)
点击打开链接 Problem Description Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M Angel's friends want to save Angel. Their task is: approac...
分类:其他好文   时间:2015-08-09 00:25:46    阅读次数:125
Rescue--hdu1242
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1242运用优先队列进行广搜 1 #include 2 #include 3 #include 4 #include 5 #include 6 #define inf 0x6ffffff 7 #de...
分类:其他好文   时间:2015-04-15 18:43:15    阅读次数:128
[hdu1242]优先队列
题意:给一个地图,'x'走一步代价为2,'.'走一步代价为1,求从s到t的最小代价。裸优先队列。 1 #pragma comment(linker, "/STACK:10240000,10240000") 2 3 #include 4 #include 5 #include 6 ...
分类:其他好文   时间:2015-04-12 06:44:08    阅读次数:126
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