Butun sonlar A, B (A ≤ B), N va N ta sondan iborat nums massivi berilgan. Massivdagi nechta son [A, B] oralig'iga tegishli ekanini (chegaralar ham kiradi) aniqlang.
func countInRange(A int, B int, N int, nums []int) int {
// ...
}
Input: A=5, B=10, N=7, nums=[3,7,12,8,2,9,6]
Output: 4
Input: A=0, B=5, N=5, nums=[1,2,3,4,6]
Output: 4
Input: A=10, B=20, N=4, nums=[15,25,12,8]
Output: 2