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Description: Validate if a given string is numeric. Example "0" = true " 0.1 " = true "abc" = false "1 a" = false "2e10" = true Solution: class... 阅读全文
posted @ 2015-09-13 17:11
影湛
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Description: Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in t... 阅读全文
posted @ 2015-09-13 16:44
影湛
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Description: Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 st... 阅读全文
posted @ 2015-09-13 04:13
影湛
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Description: A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. ... 阅读全文
posted @ 2015-09-13 03:23
影湛
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