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摘要: Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacen 阅读全文
posted @ 2017-07-11 23:01 hellowOOOrld 阅读(160) 评论(0) 推荐(0)
摘要: Given an 2D board, count how many battleships are in it. The battleships are represented with 'X's, empty slots are represented with '.'s. You may ass 阅读全文
posted @ 2017-07-11 22:43 hellowOOOrld 阅读(181) 评论(0) 推荐(0)