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50. Pow(x, n) Implement pow(x, n), which calculates x raised to the power n (xn). Example 1: Example 2: Example 3: 阅读全文
posted @ 2019-02-24 22:37
mingL
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49. Group Anagrams Given an array of strings, group anagrams together. Example: 阅读全文
posted @ 2019-02-24 22:36
mingL
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48. Rotate Image You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Note: You have to rotate the imag 阅读全文
posted @ 2019-02-24 22:34
mingL
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47. Permutations II Given a collection of numbers that might contain duplicates, return all possible unique permutations. Example: 阅读全文
posted @ 2019-02-24 22:32
mingL
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46. Permutations Given a collection of distinct integers, return all possible permutations. Example: 阅读全文
posted @ 2019-02-24 22:31
mingL
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