TypeScript

Mister-Hope

/*
 * Your runtime beats 100 % of typescript submissions
 *
 * Your memory usage beats 88.89 % of typescript submissions (38.8 MB)
 */

const canWinNim = (n: number): boolean => n % 4 !== 0;

simple

/*
 * Your runtime beats 100 % of typescript submissions
 *
 * Your memory usage beats 88.89 % of typescript submissions (38.8 MB)
 */

const canWinNim = (n: number): boolean => Boolean(n % 4);