CN-LEAGUE 1999 Problem 2

The number of intengral points $(x,y)$ that fit $(|x|-1)^2+(|y|-1)^2<2$ is $\text{(A)}16 \text{(B)}17 \text{(C)}18 \text{(D)}25$

Dataset text AI-MO AoPS. Quoted with source.

Solutions

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