'type': 'string',
* 核心思路：链表转数组 + 单调栈（从后往前遍历），时间复杂度O(n)，空间复杂度O(n)，推荐阅读夫子获取更多信息
Фото: Jamal Awad / Reuters，这一点在WPS下载最新地址中也有详细论述
"So two of our grandparents are unfortunately no longer present, one works full time and the other one has her own health concerns," he added.
If a player gets all four words in a set correct, those words are removed from the board. Guess wrong and it counts as a mistake—players get up to four mistakes until the game ends.