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双指针与隔板法
David Liu
Less than 1 minute
#
双指针与隔板法
指针回头不能用双指针算法(因为不On了)
滑窗型双指针
滑窗每次只改入窗出窗元素
左减右加
滑动窗口写左闭右开的好,这样处理前不需要特判右指针是否越界,在while哪里就判断了
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