leetcode_491. Increasing Subsequences ? 待解决
2017-11-25 10:13
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Given an integer array, your task is to find all the different possible increasing subsequences of the given array, and the length of an increasing subsequence should be at least 2 .
Example:
Input: [4, 6, 7, 7]
Output: [[4, 6], [4, 7], [4, 6, 7], [4, 6, 7, 7], [6, 7], [6, 7, 7], [7,7], [4,7,7]]
Note:
The length of the given array will not exceed 15.
The range of integer in the given array is [-100,100].
The given array may contain duplicates, and two equal integers should also be considered as a special case of increasing sequence.
提示:提交代码后,需要用简洁的语言解释一下代码思路~ 谢谢
历史题目和总结见公众号「每日一道算法题」
https://leetcode.com/problems/increasing-subsequences/description/
思路:
Example:
Input: [4, 6, 7, 7]
Output: [[4, 6], [4, 7], [4, 6, 7], [4, 6, 7, 7], [6, 7], [6, 7, 7], [7,7], [4,7,7]]
Note:
The length of the given array will not exceed 15.
The range of integer in the given array is [-100,100].
The given array may contain duplicates, and two equal integers should also be considered as a special case of increasing sequence.
提示:提交代码后,需要用简洁的语言解释一下代码思路~ 谢谢
历史题目和总结见公众号「每日一道算法题」
https://leetcode.com/problems/increasing-subsequences/description/
思路:
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