deno.land / x / masx200_leetcode_test@10.6.5 / queries-on-number-of-points-inside-a-circle / index.ts
123456789101112131415161718192021222324252627export default function countPoints( points: number[][], queries: number[][],): number[] { return queries.map(([x, y, r]) => { return points.reduce((a, [n, m]) => { return a + Number(point_in_circle(n, m, x, y, r)); }, 0); });}function point_in_circle( n: number, m: number, x: number, y: number, r: number,): boolean { return r ** 2 - (n - x) ** 2 - (y - m) ** 2 >= 0; // return n <= x + r && m <= y + r && n >= x - r && m >= y - r // ? n === x // ? Math.abs(m - y) <= r // : y === m // ? Math.abs(x - n) <= r // : r ** 2 - (n - x) ** 2 - (y - m) ** 2 >= 0 // : false;}
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