#3025
Find the Number of Ways to Place People I
specialist · 680 · lc medium +30 · 64% accepted · 482 likes · top 67%
Description
You are given a 2D array points of size n x 2 representing integer coordinates on a 2D plane.
Count the ordered pairs (A, B) where:
- A is strictly to the upper-left of B.
- No other point lies inside or on the border of the rectangle defined by A (upper-left corner) and B (lower-right corner).
Return the count.
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