Editorial for CCC '17 J1 - Quadrant Selection

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Author: Kirito

The problem is asking you to find which quadrant a given point belongs to.

A point at coordinates $(12,5)$ ~(12,5)~ lies in quadrant $1$ ~1~ since both its $x$ ~x~ and $y$ ~y~ values are positive.

A point at coordinates $(-12,5)$ ~(-12,5)~ lies in quadrant $2$ ~2~ since its $x$ ~x~ value is negative and its $y$ ~y~ value is positive.

A point at coordinates $(-12,-5)$ ~(-12,-5)~ lies in quadrant $3$ ~3~ since both its $x$ ~x~ and $y$ ~y~ values are negative.

A point at coordinates $(12,-5)$ ~(12,-5)~ lies in quadrant $4$ ~4~ since its $x$ ~x~ value is positive and its $y$ ~y~ value is negative.

Time Complexity: $\mathcal O(1)$ ~\mathcal O(1)~

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