摘要:
题面 Description 在 Mars 星球上,每个 Mars 人都随身佩带着一串能量项链。在项链上有 N 颗能量珠。能量珠是一颗有头标记与尾标记的珠子,这些标记对应着某个正整数。并且,对于相邻的两颗珠子,前一颗珠子的尾标记一定等于后一颗珠子的头标记。 因为只有这样,通过吸盘(吸盘是 Mars 阅读全文
摘要:
题面 题目描述 Farmer John has noticed that his cows often move between nearby fields. Taking this into account, he wants to plant enough grass in each of hi 阅读全文