和为s的连续整数序列

找出所有和为S的连续正数序列
输出所有和为S的连续正数序列。序列内按照从小至大的顺序，序列间按照开始数字从小到大的顺序

class Solution:
    def FindNumInSe(self, arget):
        if arget < 3:
            return []

        small = 1
        big = 2
        curnum = small + big
        middle = (arget + 1) // 2
        output = []
        while small < middle:
            if curnum == arget:
                output.append(list(range(small, big)))
            while curnum > arget and small < middle:
                curnum -= small
                small += 1
                if curnum == arget:
                    output.append(list(range(small, big)))
            big += 1
            curnum += big
        return output

    def FindNumInSe1(self, arget):
        if arget < 3:
            return []

        small = 1
        big = 2
        curnum = small + big
        middle = (arget + 1) // 2
        output = []
        while small < middle:
            if curnum == arget:
                output.append(list(range(small, big)))
            elif curnum < arget:
                big += 1
                curnum += big
            else:
                curnum -= small
                small += 1
        return output

package main

func FindNumSe(target int) []int {
    if target < 3 {return []int{}}
    small := 1
    big := 2
    sum := 3
    for small <= target/2 + 1 {
        if sum == target {
            break
        } else if sum > target {
            sum -= small
            small++
        } else {
            big++
            sum += big          
        }
    }
    res := []int{}
    if sum == target {
        for i:=small; i<=end; i++ {
            res = append(res, i)
        }
    }
    return res
}