1147. Shaping Regions Time limit: 0.5 secondMemory limit: 64 MB N opaque rectangles (1 ≤ N ≤ 1000) of various colors are placed on a white sheet of paper whose size is A wide by B long. The rectangles are put with their sides parallel to the sheet's…

Shaping Regions Time limit: 0.5 secondMemory limit: 64 MB N opaque rectangles (1 ≤ N ≤ 1000) of various colors are placed on a white sheet of paper whose size is A wide by B long. The rectangles are put with their sides parallel to the sheet's border…

Shaping Regions Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 124  Solved: 39[Submit][Status][Web Board] Description N opaque rectangles (1 <= N <= 1000) of various colors are placed on a white sheet of paper whose size is A wide by B long. The rec…

Shaping Regions N opaque rectangles (1 <= N <= 1000) of various colors are placed on a white sheet of paper whose size is A wide by B long. The rectangles are put with their sides parallel to the sheet's borders. All rectangles fall within the borde…

莞中OI集训游记 Written BY Jum Leon. I        又是一载夏,本蒟蒻以特长生考入莞中,怀着忐忑的心情到了8月,是集训之际.怀着对算法学习的向往心情被大佬暴虐的一丝恐惧来到了莞中. 这里真是个好地方啊,座居莞城中央,聚集四方灵气.伙食好,我们学习自然好.(廖老师超级友好的 正文 II 感悟 首先感觉在莞中学习真的十分幸运,这里学习的环境.氛围都很好.我们可以互相帮助,互相帮忙讲解不理解的题目,或是分享自己的方法.有廖老师带我们飞(强,组织我们讲解题目,重点难点廖老师会亲…

其实日期没有那么近啦……只是我偶尔还点进去造成的,导致我没有每一章刷完的纪念日了 但是全刷完是今天啦 讲真,题很锻炼思维能力,USACO保持着一贯猎奇的题目描述,以及尽量不用高级算法就完成的题解……例如用暴搜加优化代替插头dp 但是第6章!我就说第6章!为什么大赛的实践,几乎全是暴搜!是为了传达给我们不如暴搜吗?! 但是总之是结束了……想了想,从初二暑假刷了两章,然后一年陆陆续续刷完较难的四章…… 唉,一年了啊……下周也该中考了……7月份还得去noi被各大神犇完虐……仅代表辽宁省最低水平…… 一…

Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X's in that surrounded region. For example, X X X X X O O X X X O X X O X X After running your function, the board should…

在LeetCode中的Surrounded Regions 包围区域这道题中,我们发现用DFS方法中的最后一个条件必须是j > 1,如下面的红色字体所示,如果写成j > 0的话无法通过OJ,一直百思不得其解其中的原因,直到有网友告诉我说他验证了最后一个大集合在本地机子上可以通过,那么我也来验证看看吧. class Solution { public: void solve(vector<vector<char> >& board) { ; i < boar…

Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X's in that surrounded region . For example, X X X X X O O X X X O X X O X X After running your function, the board should…

Total Accepted: 43584 Total Submissions: 284350 Difficulty: Medium Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'. A region is captured by flipping all 'O's into 'X's in that surrounded region. For example, X X X X X O…