2225. 找出输掉零场或一场比赛的玩家

找出输掉零场或一场比赛的玩家

• 难度: medium
• 原始链接: https://leetcode.cn/problems/find-players-with-zero-or-one-losses
• 标签: 哈希, 排序

解法一: 哈希, 排序

go

func findWinners(matches [][]int) [][]int {
  loseCount := make(map[int]int)
  for _, match := range matches {
    if loseCount[match[0]] == 0 {
      loseCount[match[0]] = 0
    }
    loseCount[match[1]]++
  }
  ans := make([][]int, 2)
  for key, val := range loseCount {
    if val <= 1 {
      ans[val] = append(ans[val], key)
    }
  }
  sort.Ints(ans[0])
  sort.Ints(ans[1])
  return ans
}