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March 16, 2016Problem statement:Given a 2D array (matrix) named M, print all items of M in a spiral order, clockwise.For example:M = 1 2 3 4 5 6 7 8 9 阅读全文
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March 18, 2016Problem statement:https://www.hackerrank.com/challenges/two-strings/submissions/code/18506948Julia likes to try a new way to train herse 阅读全文