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小明很喜欢数学,有一天他在做数学作业时,要求计算出9~16的和,他马上就写出了正确答案是100。但是他并不满足于此,他在想究竟有多少种连续的正数序列的和为100(至少包括两个数)。没多久,他就得到另一组连续正数和为100的序列:18,19,20,21,22。现在把问题交给你,你能不能也很快的找出所有和为S的连续正数序列? Good Luck!
'''
# -*- coding:utf-8 -*-
class Solution:
def FindContinuousSequence(self, tsum):
# write code here
res = []
l, r = 1, 2
max_num = tsum // 2 + 1
tsum = 2 * tsum
while r <= max_num:
key = (l + r) * (r - l + 1)
if key == tsum:
if r - l + 1 > 1: res.append([i for i in range(l, r + 1)])