摘要: #暴力解法 #子序列:可以不连续 #子串:必须连续 class Solution: def findSubstring(self, s: str, words: List[str]) -> List[int]: from collections import Counter #Python coun 阅读全文
posted @ 2022-07-15 16:06 是冰美式诶 阅读(34) 评论(0) 推荐(0)
摘要: #导入库 import numpy as np import pandas as pd import random from datetime import datetime from matplotlib import pyplot as plt import seaborn as sns fro 阅读全文
posted @ 2022-07-14 18:44 是冰美式诶 阅读(117) 评论(0) 推荐(0)
摘要: #笑话来咯 import math class Solution: def divide(self, dividend: int, divisor: int) -> int: ans = dividend / divisor if dividend / divisor < 2147483648 el 阅读全文
posted @ 2022-07-14 18:12 是冰美式诶 阅读(30) 评论(0) 推荐(0)
摘要: # 有点问题,解决了数组越界后但还是发生错误,待解决 class Solution: def strStr(self, haystack: str, needle: str) -> int: if not needle: return 0 if len(needle)>len(haystack): 阅读全文
posted @ 2022-07-14 16:32 是冰美式诶 阅读(23) 评论(0) 推荐(0)
摘要: #还是双指针,与上一道题相似 class Solution: def removeElement(self, nums: List[int], val: int) -> int: fast,slow = 0,0 while fast<len(nums): if nums[fast]!=val: nu 阅读全文
posted @ 2022-07-14 15:44 是冰美式诶 阅读(22) 评论(0) 推荐(0)
摘要: #遍历一遍,快慢指针 class Solution: def removeDuplicates(self, nums: List[int]) -> int: pre,cur=0,1 while cur<len(nums): if nums[pre]==nums[cur]: nums.pop(cur) 阅读全文
posted @ 2022-07-14 15:29 是冰美式诶 阅读(30) 评论(0) 推荐(0)
摘要: #递归的思路 #最初思路是把该链表分为以k为基数的组,然后每组进行reverse #而每组其实构造是一致的,利用递归即可解决 # Definition for singly-linked list. # class ListNode: # def __init__(self, val=0, next 阅读全文
posted @ 2022-07-13 15:41 是冰美式诶 阅读(26) 评论(0) 推荐(0)
摘要: #迭代 #1.point.next = swap2 #2.swap1.next = swap2.next #3.swap2.next = swap1 # Definition for singly-linked list. # class ListNode: # def __init__(self, 阅读全文
posted @ 2022-07-13 14:12 是冰美式诶 阅读(28) 评论(0) 推荐(0)
摘要: #本次采用Kmans分析数据 import pandas as pd import numpy as npp from matplotlib import pyplot as plt from sklearn.cluster import KMeans import matplotlib impor 阅读全文
posted @ 2022-07-12 21:26 是冰美式诶 阅读(192) 评论(0) 推荐(0)
摘要: #能不动脑子咱就不动,暴力解法 #将链表元素放置数组中 #进行排序 #生成新链表 # Definition for singly-linked list. # class ListNode: # def __init__(self, val=0, next=None): # self.val = v 阅读全文
posted @ 2022-07-12 18:39 是冰美式诶 阅读(39) 评论(0) 推荐(0)