weixin_44346222的博客

""" 这种些写法会超时 注意 dp[i] = max(dp[i], 1 + dp[j]) """ class Solution: def maxEnvelopes(self, envelopes: List[List[int]]) -> int: if len(envelopes) <= 1: return len(envelopes) envelopes.sort(key=lambda x: (x[0], -