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LC问题归类 #37

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lewenweijia opened this issue Oct 21, 2019 · 1 comment
Open

LC问题归类 #37

lewenweijia opened this issue Oct 21, 2019 · 1 comment

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@lewenweijia
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lewenweijia commented Oct 21, 2019 •
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全排列/子集/组合总和/股票买卖问题1

特点: 正向取值问题, 向前进行重复的否定

helper(idx, sum/length, tempList)
helper(约束, 判定, 结果)
@lewenweijia
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子数组 / 子序列

  1. 字数组问题: 前缀和 / 双指针 / 哈希表
  2. 子序列问题: 回溯

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@lewenweijia