blockhouses 时间限制:1000 ms  |  内存限制:65535 KB 难度:3   描述 Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing a street or a piece of wall. A blockhouse is a small castle…

blockhouses 时间限制:1000 ms  |  内存限制:65535 KB 难度:3 描写叙述 Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing a street or a piece of wall.  A blockhouse is a small castle…

题意 : 给你一张图上面" X " 代表墙 , " . " 代表空地 , 让你在空地上放置炮台 , 条件是 不能 让彼此的炮台 可以互相看见 ( 隔着墙就看不见了  )  ,     问你最多可以放置 多少个炮台  . 题解 : 二话不说上去直接暴力搜索 ,  给的图最大不超过 5 * 5  所以 就直接暴力 了   ,    但是 八皇后那里以前写过一个  0ms 的代码 , 一会去看看 , 一段时间不看就忘了 , 一会附上优化代码 .  还有就是  这个将两个f…

Suppose that we have a square city with straight streets.  A map of a city is a square board with n rows and n columns, each representing a street or a piece of wall. A blockhouse is a small castle that has four openings through which  to shoot.  The…

Fire Net Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5863    Accepted Submission(s): 3280 Problem Description Suppose that we have a square city with straight streets. A map of a city is a s…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1045 Fire Net Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 8185    Accepted Submission(s): 4691 Problem Description Suppose that we have a squa…

http://acm.hdu.edu.cn/showproblem.php?pid=1045 Fire Net Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1045 Description Suppose that we have a square city with straight streets. A map of a city…

Fire Net Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 10   Accepted Submission(s) : 3 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Suppose that we have a square…

http://acm.hdu.edu.cn/showproblem.php?pid=1045 Fire Net Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6756    Accepted Submission(s): 3829 Problem Description Suppose that we have a square ci…

Fire Net Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7922    Accepted Submission(s): 4514 Problem Description Suppose that we have a square city with straight streets. A map of a city is a s…