Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 | 2x 7x 1x 1x | export default function isPerfectSquare(num: number): boolean {
for (let i = 1; i * i <= num; i++) {
if (i * i === num)
return true
}
return false
}
|