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POJ 1222 EXTENDED LIGHTS OUT 今天真是完美的一天,这是我在poj上的100A,留个纪念,马上就要期中考试了,可能后面几周刷题就没这么快了,不管怎样,为下一个200A奋斗, 这个题是大白上的牛翻转颜色的题(P153)的弱化版,典型的开关问题; /* * Created: 2016年04月05日 22时28分26秒 星期二 * Author: Akrusher * */ #include <cstdio> #include <cstdlib> #includ…
题目链接:uva 1560 - Extended Lights Out 题目大意:给定一个5∗6的矩阵,每一个位置上有一个灯和开关,初始矩阵表示灯的亮暗情况,假设按了这个位置的开关,将会导致周围包含自己位置的灯状态变换.求一个按开关位置,保证全部灯都灭掉. 解题思路: 枚举,枚举第一行的状态,然后递推出后面四行的状态. 高斯消元,对于每一个位置对定变量,这样列出30个方程求解. C++ 枚举 #include <cstdio> #include <cstring> #include…
EXTENDED LIGHTS OUT Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 6443   Accepted: 4229 Description In an extended version of the game Lights Out, is a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons eac…
EXTENDED LIGHTS OUT Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 12616   Accepted: 8002 Description In an extended version of the game Lights Out, is a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons ea…
EXTENDED LIGHTS OUT Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 10835   Accepted: 6929 Description In an extended version of the game Lights Out, is a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons ea…
Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 8481   Accepted: 5479 Description In an extended version of the game Lights Out, is a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons each). Each button has…
Description In an extended version of the game Lights Out, is a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons each). Each button has a light. When a button is pressed, that button and each of its (up to four) neighbo…
In an extended version of the game Lights Out, is a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons each). Each button has a light. When a button is pressed, that button and each of its (up to four) neighbors above, be…
Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 8417   Accepted: 5441 Description In an extended version of the game Lights Out, is a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons each). Each button has…
In an extended version of the game Lights Out, is a puzzle with 5 rows of 6 buttons each (the actual puzzle has 5 rows of 5 buttons each). Each button has a light. When a button is pressed, that button and each of its (up to four) neighbors above, be…