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 @ 2016-08-10 23:42
amazingzoe
阅读(163)
评论(0)
推荐(0)
摘要：
Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST. Calling next() will return the n 阅读全文
posted @ 2016-08-10 05:57
amazingzoe
阅读(143)
评论(0)
推荐(0)
摘要：
Given two integers representing the numerator and denominator of a fraction, return the fraction in string format. If the fractional part is repeating 阅读全文
posted @ 2016-08-10 05:03
amazingzoe
阅读(121)
评论(0)
推荐(0)
摘要：
Implement pow(x, n). Runtime: 23ms Analyse: Be aware of corner cases. For exmaple, x = 0, n = 0, n = 1, and n < 0. Note the highlited area, if n == IN 阅读全文
posted @ 2016-08-10 00:03
amazingzoe
阅读(128)
评论(0)
推荐(0)
浙公网安备 33010602011771号