From a748e2ff963abd1abb4bdfab4526050cfb520f8b Mon Sep 17 00:00:00 2001 From: evanlai Date: Wed, 2 Jun 2021 23:41:29 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=200376.=E6=91=86=E5=8A=A8?= =?UTF-8?q?=E5=BA=8F=E5=88=97=20python3=E7=89=88=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0376.摆动序列.md | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/problems/0376.摆动序列.md b/problems/0376.摆动序列.md index 6fa30cde..bbca5ea0 100644 --- a/problems/0376.摆动序列.md +++ b/problems/0376.摆动序列.md @@ -138,7 +138,21 @@ class Solution { ``` Python: - +```python +class Solution: + def wiggleMaxLength(self, nums: List[int]) -> int: + #贪心 求波峰数量 + 波谷数量 + if len(nums)<=1: + return len(nums) + cur, pre = 0,0 #当前一对差值,前一对差值 + count = 1#默认最右边有一个峰值 + for i in range(len(nums)-1): + cur = nums[i+1] - nums[i] + if((cur>0 and pre<=0) or (cur<0 and pre>=0)): + count += 1 + pre = cur + return count +``` Go: