You are given n poins in 2 dimesnsion.you need to find out minimum area of rectangle with atleast k points ?
1<=n<=200 0<=x<=40000 0<=y<=40000 1<=k<=n
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In the optimal rectangle, there will always be points in its borders, otherwise we would be able to shrink them. With this in mind, all you have to do is: fix a pair of points to settle the rectangle's rows and, then, use two pointers to settle the columns, taking in account the condition of at least k points. This should work in O(n3).
can you please explain how to do this ?
use two pointers to settle the columns, taking in account the condition of at least k points