题解 | #合并区间#

# class Interval:
#     def __init__(self, a=0, b=0):
#         self.start = a
#         self.end = b

#
# 
# @param intervals Interval类一维数组 
# @return Interval类一维数组
#
class Solution:
    def merge(self , intervals ):
        # write code here

        intervals.sort(key=lambda x:x.start)

        res = []
        for i in intervals:
            if not res or i.start>res[-1].end:
                res.append(i)
            else:
                res[-1].end = max(res[-1].end,i.end)
        return res