题解 | #合并区间#

# class Interval:
#     def __init__(self, a=0, b=0):
#         self.start = a
#         self.end = b
#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param intervals Interval类一维数组 
# @return Interval类一维数组
#
class Solution:
    def merge(self , intervals: List[Interval]) -> List[Interval]:
        # write code here
        intervals.sort(key = (lambda x:x.start))
        res = []
        for i in range(len(intervals)):
            if not res:
                res.append(intervals[i])
            else:
                if res[-1].end >= intervals[i].start:
                    res[-1].end = max(res[-1].end,intervals[i].end)
                else:
                    res.append(intervals[i])
        return res