乐胖代购免代理版

[leetcode] 1081. Smallest Subsequence of Distinct Characters

DescriptionReturn the lexicographically smallest subsequence of s that contains all the distinct charact

字符串

出栈

子序列

原创 2022-08-12 07:13:23 31 阅读

[leetcode] 1252. Cells with Odd Values in a Matrix

DescriptionGiven n and m which are the dimensions of a matrix initialized by zeros and given an array indices where indices[i] = [ri, ci]. For each pair o

数组

原创 2022-08-11 17:46:02 81 阅读

[leetcode] 1277. Count Square Submatrices with All Ones

DescriptionGiven a m * n matrix of ones and zeros, return how many square submatrices have all ones.Example 1

ide

最小值

动态规划

原创 2022-08-11 17:45:52 27 阅读

[leetcode] 1123. Lowest Common Ancestor of Deepest Leaves

DescriptionGiven the root of a binary tree, return the lowest common ancestor of its deepest leaves.Recall tha

结点

参考文献

python

原创 2022-08-11 17:39:22 17 阅读

[leetcode] 993. Cousins in Binary Tree

DescriptionIn a binary tree, the root node is at depth 0, and children of each depth k node are at depth k+1.

1024程序员节

结点

参考文献

递归

原创 2022-08-11 17:36:28 62 阅读

[leetcode] 988. Smallest String Starting From Leaf

DescriptionGiven the root of a binary tree, each node has a value from 0 to 25 representing the letters ‘a’ to ‘z’: a value of 0

1024程序员节

字符串

结点

ico

原创 2022-08-11 17:36:23 30 阅读

[leetcode] 1110. Delete Nodes And Return Forest

DescriptionGiven the root of a binary tree, each node in the tree has a distinct value.After deleting all nodes with a value in to_delete, we are left wi

结点

二叉树

参考文献

原创 2022-08-11 17:35:54 71 阅读

[leetcode] 1140. Stone Game II

DescriptionAlice and Bob continue their games with piles of stones. There are a

初始化

参考文献

后缀

原创 2022-08-11 17:35:10 117 阅读

[leetcode] 942. DI String Match

DescriptionGiven a string S that only contains “I” (increase) or “D” (decrease), let N = S.length.Return

最小值

参考文献

字符串长度

原创 2022-08-11 17:33:06 34 阅读

[leetcode] 1238. Circular Permutation in Binary Representation

DescriptionGiven 2 integers n and start. Your task is return an

参考文献

java

c++

原创 2022-08-11 17:32:46 74 阅读

[leetcode] 1432. Max Difference You Can Get From Changing an Integer

DescriptionYou are given an integer num. You will apply the following steps exactly two times:Pick a digit x (0 <=

首字母

git

最小值

原创 2022-08-11 17:31:27 45 阅读

[leetcode] 430. Flatten a Multilevel Doubly Linked List

DescriptionYou are given a doubly linked list which in addition to the next and

扁平化

双向链表

子树

原创 2022-08-11 17:30:15 37 阅读

[leetcode] 1281. Subtract the Product and Sum of Digits of an Integer

DescriptionGiven an integer number n, return the difference between the product of

git

原创 2022-08-11 17:29:54 59 阅读

[leetcode] 1025. Divisor Game

DescriptionAlice and Bob take turns playing a game, with Alice starting first.Initially, there is a number N on the c

整除

初始化

参考文献

原创 2022-08-11 17:28:24 36 阅读

[leetcode] 884. Uncommon Words from Two Sentences

DescriptionWe are given two sentences A and B. (A sentence is a

词频

参考文献

原创 2022-08-11 17:28:00 27 阅读

[leetcode] 1049. Last Stone Weight II

DescriptionWe have a collection of rocks, each rock has a positive integer weight.Each turn, we choose a

数组

参考文献

java

原创 2022-08-11 17:27:59 51 阅读

[leetcode] 88. Merge Sorted Array

DescriptionGiven two sorted integer arrays nums1 and nums2, merge nums2 into num

数组

有序数组

参考文献

原创 2022-08-11 17:27:32 48 阅读

[leetcode] 92. Reverse Linked List II

DescriptionReverse a linked list from position m to n. Do it in one-pass.Note:

链表

参考文献

两个指针

原创 2022-08-11 17:27:20 75 阅读

[leetcode] 1009. Complement of Base 10 Intege

DescriptionEvery non-negative integer N has a binary representation. For example, 5 can be represented as “101” in

十进制

参考文献

进制

原创 2022-08-11 17:26:22 18 阅读

[leetcode] 1029. Two City Scheduling

DescriptionA company is planning to interview 2n people. Given the a

数组

参考文献

原创 2022-08-11 17:23:15 53 阅读

[leetcode] 1589. Maximum Sum Obtained of Any Permutation

DescriptionWe have an array of integers, nums, and an array of requests w

数组

差分

前缀和

原创 2022-08-11 17:21:50 88 阅读

[leetcode] 1657. Determine if Two Strings Are Close

DescriptionTwo strings are considered close if you can attain one from the other using the following opera

字符串

参考文献

词频

原创 2022-08-11 17:21:03 197 阅读

[leetcode] 1504. Count Submatrices With All Ones

DescriptionGiven a rows * columns matrix mat of on

ide

数位

参考文献

原创 2022-08-11 17:13:32 110 阅读

[leetcode] 1654. Minimum Jumps to Reach Home

DescriptionA certain bug’s home is on the x-axis at position x. Help them get there from position 0.The bug

递归

sed

数据

原创 2022-08-11 17:13:14 206 阅读

[leetcode] 1641. Count Sorted Vowel Strings

DescriptionGiven an integer n, return the number of strings of length n that consist only of vowels (a, e, i,

ico

字符串

动态规划

原创 2022-08-11 17:13:07 39 阅读

[leetcode] 237. Delete Node in a Linked List

DescriptionWrite a function to delete a node in a singly-linked list. You will not be given access to the head of th

链表

参考文献

赋值

原创 2022-08-11 17:13:03 32 阅读

[leetcode] 1664. Ways to Make a Fair Array

DescriptionYou are given an integer array nums. You can choose exactly one index (0-indexed) and remove the

前缀和

python

数组

原创 2022-08-11 17:12:57 65 阅读

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[leetcode] 1081. Smallest Subsequence of Distinct Characters

[leetcode] 1252. Cells with Odd Values in a Matrix

[leetcode] 1277. Count Square Submatrices with All Ones

[leetcode] 1123. Lowest Common Ancestor of Deepest Leaves

[leetcode] 993. Cousins in Binary Tree

[leetcode] 988. Smallest String Starting From Leaf

[leetcode] 1110. Delete Nodes And Return Forest

[leetcode] 1140. Stone Game II

[leetcode] 942. DI String Match

[leetcode] 1238. Circular Permutation in Binary Representation

[leetcode] 1432. Max Difference You Can Get From Changing an Integer

[leetcode] 430. Flatten a Multilevel Doubly Linked List

[leetcode] 1281. Subtract the Product and Sum of Digits of an Integer

[leetcode] 1025. Divisor Game

[leetcode] 884. Uncommon Words from Two Sentences

[leetcode] 1049. Last Stone Weight II

[leetcode] 88. Merge Sorted Array

[leetcode] 92. Reverse Linked List II

[leetcode] 1009. Complement of Base 10 Intege

[leetcode] 1029. Two City Scheduling

[leetcode] 1589. Maximum Sum Obtained of Any Permutation

[leetcode] 1657. Determine if Two Strings Are Close

[leetcode] 1504. Count Submatrices With All Ones

[leetcode] 1654. Minimum Jumps to Reach Home

[leetcode] 1641. Count Sorted Vowel Strings

[leetcode] 237. Delete Node in a Linked List

[leetcode] 1664. Ways to Make a Fair Array

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