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You are given n points on a line with their coordinates xi. Find the point x so the sum of distances to the given points is minimal. You are given n p 阅读全文
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Find an n × n matrix with different numbers from 1 to n2, so the sum in each row, column and both main diagonals are odd. Find an n × n matrix with di 阅读全文
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转载自：http://blog.csdn.net/fengchaokobe/article/details/7437767 目录 第一节 n阶幻方问题 第二节 由n阶幻方引发的思考正文第一节 n阶幻方问题 所谓n阶幻方问题，俗称“横竖斜相加和相等”（我们当时就是这么叫的）。用术语说就是：在一个N行N 阅读全文
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output standard output The only king stands on the standard chess board. You are given his position in format "cd", where c is the column from 'a' to 阅读全文