Count Lattice Points Inside a Circle LeetCode solution in JavaScript

1
var countLatticePoints = function (circles) {
2
  let minX = (minY = Infinity),
3
    maxX = (maxY = -Infinity);
4
  for (let i = 0; i < circles.length; i++) {
5
    minX = Math.min(minX, circles[i][0] - circles[i][2]);
6
    maxX = Math.max(maxX, circles[i][0] + circles[i][2]);
7
    minY = Math.min(minY, circles[i][1] - circles[i][2]);
8
    maxY = Math.max(maxY, circles[i][1] + circles[i][2]);
9
  }
10

11
  let count = 0;
12
  for (let i = minX; i <= maxX; i++) {
13
    for (let j = minY; j <= maxY; j++) {
14
      let find = false;
15
      for (let k = 0; k < circles.length; k++) {
16
        if (
17
          (i - circles[k][0]) ** 2 + (j - circles[k][1]) ** 2 <=
18
          circles[k][2] ** 2
19
        ) {
20
          find = true;
21
          break;
22
        }
23
      }
24
      if (find) {
25
        count++;
26
      }
27
    }
28
  }
29
  return count;
30
};