* There are so many substring search problems which could be solved by the sliding window algorithm. * So I sum up the algorithm template here. wish it will help you! * The similar questions are: * ...

Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is the mean of the two middle value. [2,3], the median is (2 + 3) / 2 = ...