http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3780 Paint the Grid Again Time Limit: 2 Seconds      Memory Limit: 65536 KB Leo has a grid with N × N cells. He wants to paint each cell with a specific color (either black or white). Leo h…

题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3780 Time Limit: 2 Seconds      Memory Limit: 65536 KB Leo has a grid with N × N cells. He wants to paint each cell with a specific color (either black or white). Leo has a magical bru…

Paint the Grid Again Time Limit: 2 Seconds      Memory Limit: 65536 KB Leo has a grid with N × N cells. He wants to paint each cell with a specific color (either black or white). Leo has a magical brush which can paint any row with black color, or an…

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3773 Paint the Grid Time Limit: 2 Seconds      Memory Limit: 65536 KB      Special Judge Leo has a grid with N × N cells. He wants to paint each cell either black or white. After he finishe…

拓扑排序.2014浙江省赛题. 先看行: 如果这行没有黑色,那么这个行操作肯定不操作. 如果这行全是黑色,那么看每一列,如果列上有白色,那么这一列连一条边到这一行,代表这一列画完才画那一行 如果不全是黑色,那么看这一行的每一个元素,如果有白色的,那么白色所在列向这一行连边. 再看列: 与看行类似,不再赘述. 建图建完之后进行拓扑排序. #include<cstdio> #include<cstring> #include<cmath> #include<strin…

Paint the Grid Again Time Limit: 2000MS   Memory Limit: 65536KB   64bit IO Format: %lld & %llu [Submit]   [Go Back]   [Status] Description Leo has a grid with N × N cells. He wants to paint each cell with a specific color (either black or white). Leo…

Leo has a grid with N × N cells. He wants to paint each cell with a specific color (either black or white). Leo has a magical brush which can paint any row with black color, or any column with white color. Each time he uses the brush, the previous co…

题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3781 Leo has a grid with N rows and M columns. All cells are painted with either black or white initially. Two cells A and B are called connected if they share an edge and they are in…

Paint the Grid Reloaded Time Limit: 2000MS   Memory Limit: 65536KB   64bit IO Format: %lld & %llu [Submit]   [Go Back]   [Status] Description Leo has a grid with N rows and M columns. All cells are painted with either black or white initially. Two ce…

Leo has a grid with N × N cells. He wants to paint each cell with a specific color (either black or white). Leo has a magical brush which can paint any row with black color, or any column with white color. Each time he uses the brush, the previous co…