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原创 Surrounded Regions LeetCode
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
2015-01-06 00:04:49 126
C++MFC二叉树法编写的计算器
用C++MFC编写的计算器程序,能实现加减乘除、乘方开方、括号、自动识别运算顺序,只需要把算式完整输入即可得结果,开方利用最小二乘法逐步逼近,经检验结果无误
2013-10-23
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