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题解 | #删除链表的倒数第n个节点#

# class ListNode: # def __init__(self, x): # self.val = x # self.next = None # # # @param head ListNode类 # @param n int整型 # @r...

Python3

2021-10-29

1 539

题解 | #数字字符串转化成IP地址#

# # # @param s string字符串 # @return string字符串一维数组 # class Solution: def restoreIpAddresses(self , s ): # write code here if len(s...

Python3

2021-10-29

11 703

题解 | #合并两个有序的数组#

# # # @param A int整型一维数组 # @param B int整型一维数组 # @return void # class Solution: def qSort(self, arr, l, r): if l >= r: return ...

Python3

2021-10-29

0 524

题解 | #判断链表中是否有环#

# class ListNode: # def __init__(self, x): # self.val = x # self.next = None # # # @param head ListNode类 # @return bool布尔型 # cl...

Python3

2021-10-29

1 445

题解 | #字符串出现次数的TopK问题#

# # return topK string # @param strings string字符串一维数组 strings # @param k int整型 the k # @return string字符串二维数组 # class Solution: def topKstrings(sel...

Python3

2021-10-29

1 454

题解 | #最长无重复子数组#

# # # @param arr int整型一维数组 the array # @return int整型 # class Solution: def maxLength(self , arr ): # write code here ''' ...

Python3

2021-10-29

1 528

题解 | #大数加法#

# # 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 # 计算两个数之和 # @param s string字符串表示第一个整数 # @param t string字符串表示第二个整数 # @return string字符串 # class Solution: ...

Python3

2021-10-28

0 538

题解 | #寻找第K大#

# -*- coding:utf-8 -*- import random class Solution: def findKth(self, a, n, K): # write code here def qSort(a, l, r): ...

Python3

2021-10-28

0 529

题解 | #最小的K个数#

# -*- coding:utf-8 -*- class Solution: # 调整堆 def maxHeapify(self, arr, i, heapSize): l = 2 * i + 1 r = l + 1 largest = i ...

Python3

2021-10-28

0 530

题解 | #求二叉树的层序遍历#

# class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None # # # @param root TreeN...

Python3

2021-10-27

0 540