package utils

// BinarySearch BinarySearch
func BinarySearch(s []string, t string, n int) (idx int) {
	idx = -1
	if n == 0 {
		return
	}
	start, end := 0, n-1
	for start <= end {
		mid := (start + end) >> 1
		if s[mid] < t {
			start = mid + 1
		} else if s[mid] > t {
			end = mid - 1
		} else {
			idx = mid
			break
		}
	}
	return
}

var YesOrNo = map[bool]string{
	true:  "是",
	false: "否",
}