#AT2125. A - Four Points
A - Four Points
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A - Four Points
Score : $100$ points
Problem Statement
There is a rectangle in the $xy$-plane. Each edge of this rectangle is parallel to the $x$- or $y$-axis, and its area is not zero.
Given the coordinates of three of the four vertices of this rectangle, $(x_1, y_1)$, $(x_2, y_2)$, and $(x_3, y_3)$, find the coordinates of the other vertex.
Constraints
- $-100 \leq x_i, y_i \leq 100$
- There uniquely exists a rectangle with all of $(x_1, y_1)$, $(x_2, y_2)$, $(x_3, y_3)$ as vertices, edges parallel to the $x$- or $y$-axis, and a non-zero area.
- All values in input are integers.
Input
Input is given from Standard Input in the following format:
Output
Print the sought coordinates $(x, y)$ separated by a space in the following format:
``` $x$ $y$ ```-1 -1
-1 2
3 2
3 -1
The other vertex of the rectangle with vertices $(-1, -1), (-1, 2), (3, 2)$ is $(3, -1)$.
-60 -40
-60 -80
-20 -80
-20 -40