golang力扣leetcode 2024.考试的最大困扰度

package main
//右指针右移之后窗口数据更新
//判断窗口是否要收缩
//左指针右移之后窗口数据更新
//根据题意计算结果
func maxConsecutiveAnswers(answerKey string, k int) int {
  return max(window(answerKey, k, 'T'), window(answerKey, k, 'F'))
}
func window(s string, k int, ch uint8) (ans int) {
  left := 0
  sum := 0
  for right := range s {
    if s[right] != ch {
      sum++
    }
    for sum > k {
      if s[left] == ch {
        sum--
      }
      left++
    }
    ans = max(ans, right-left+1)
  }
  return
}
func max(i, j int) int {
  if i > j {
    return i
  }
  return j
}