摘要：
Given a set of characters represented by a String, return a list containing all subsets of the characters.AssumptionsThere could be duplicate characters in the original set.ExamplesSet = "abc", all t... 阅读全文
posted @ 2018-04-02 09:21
davidnyc
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摘要：
Given a string with no duplicate characters, return a list with all permutations of the characters. Examples Set = “abc”, all permutations are [“abc”, 阅读全文
posted @ 2018-04-02 05:56
davidnyc
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摘要：
same as LC.22. Generate Parentheseshttps://leetcode.com/problems/generate-parentheses/description/ Given N pairs of parentheses “()”, return a list wi 阅读全文
posted @ 2018-04-02 05:03
davidnyc
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摘要：
Given a number of different denominations of coins (e.g., 1 cent, 5 cents, 10 cents, 25 cents), get all the possible ways to pay a target number of ce 阅读全文
posted @ 2018-04-02 04:20
davidnyc
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