每日一题---506. 相对名次[力扣][Go]

func findRelativeRanks(score []int) []string {
  length := len(score)
  var res = make([]string,length)
  var m = make(map[int]int)
  // 先将序号保留下来，获得第几分的是第几位
  for i, sc := range score {
    m[sc] = i
  }
  // 将分数排序
  sort.Ints(score)
  // 排名
  for i, sc := range score {
    if i == length - 1 {
      res[m[sc]] = "Gold Medal"
    } else if i == length - 2 {
      res[m[sc]] = "Silver Medal"
    } else if i == length - 3 {
      res[m[sc]] = "Bronze Medal"
    } else {
      res[m[sc]] = strconv.Itoa(length - i)
    }
  }
  return res
}