2491. Divide Players Into Teams of Equal Skill ## 思路 chemistry會是最大跟最小的skill相加 排序後, 每次從頭尾各取一 如果相加的和不等於chemistry就回傳-1 ## Code ```python class Solution: def dividePlayers(self, skill: List[int]) -> int: skill.sort() res = 0 chemistry = skill[0] + skill[-1] for i in range(len(skill) // 2): if skill[i] + skill[~i] != chemistry: return -1 res += skill[i] * skill[~i] return res ``` -- https://i.imgur.com/kyBhy6o.jpeg -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 185.213.82.129 (臺灣) ※ 文章網址: https://www.ptt.cc/bbs/Marginalman/M.1728011516.A.DEA.html