// MARK: - Найти MIN подотрезок суммой X (все +)

func minSubArrayLen(_ target: Int, _ nums: [Int]) -> Int {
    var r = 0
    var l = 0
    var summ = 0
    var minLength = Int.max

    while r < nums.count {
        summ += nums[r]
        while summ > target {
            summ -= nums[l]
            l += 1
        }

        if summ == target {
            minLength = min(minLength, r-l+1)
        }

        r += 1
    }
    return minLength == Int.max ? 0 : minLength
}

let numsMin = [1,2,3,4,5]
minSubArrayLen(11, numsMin)