Jump Game

import { range } from '@algorithm/lib';
 
export function canJump(nums: number[]): boolean {
  const n = nums.length;
 
  let jumpable = 0;
  for (const i of range(n)) {
    if (i <= jumpable) {
      jumpable = Math.max(i + nums[i], jumpable);
    }
  }
 
  return n - 1 <= jumpable;
}