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LeetCode 题解

[969. Pancake Sorting 翻转排序][1]
1002. Find Common Characters 寻找公共字符
1004. Max Consecutive Ones III
1014. Capacity To Ship Packages Within D Days 运输最小容量
1018. Binary Prefix Divisible By 5
1024. Video Stitching
1025. Divisor Game
1029. Two City Scheduling
1031. Maximum Sum of Two Non-Overlapping Subarrays
1078. Occurrences After Bigram
1079. Letter Tile Possibilities
1080. Insufficient Nodes in Root to Leaf Paths
1081. Smallest Subsequence of Distinct Characters
109. Convert Sorted List to Binary Search Tree
110. Balanced Binary Tree
112. Path Sum
12. Integer to Roman 数字转罗马串
1233. Remove Sub-Folders from the Filesystem
131. Palindrome Partitioning 回文子串分割
134. Gas Station 加油问题
135. Candy 分糖果
1409. Queries on a Permutation With Key
15. 3Sum
152. Maximum Product Subarray
162. Find Peak Element
165. Compare Version Numbers 版本号比较
168. Excel Sheet Column Title
172. Factorial Trailing Zeroes
173. Binary Search Tree Iterator
190. Reverse Bits 逆置位序列
201. Bitwise AND of Numbers Range
202. Happy Number 快乐数
204. Count Primes
205. Isomorphic Strings
215. Kth Largest Element in an Array 第 K 大的数
236. Lowest Common Ancestor of a Binary Tree
26. Remove Duplicates from Sorted Array 已排序数组原地去重
28. Implement strStr()
29. Divide Two Integers 实现除法
3. Longest Substring Without Repeating Characters
338. Counting Bits 位计数
34. Find First and Last Position of Element in Sorted Array 寻找排序数组目标的开始和结束
347. Top K Frequent Elements 出现频率TopK的元素
36. Valid Sudoku 判断部分数独图是否有效
37. Sudoku Solver 数独解题器
371. Sum of Two Integers
413. Arithmetic Slices 算术切片
437. Path Sum III
451. Sort Characters By Frequency 按出现频率排序字符
50. Pow(x, n) 实现pow乘方函数
503. Next Greater Element II
567. Permutation in String 字符串中的组合
60. Permutation Sequence 第 K 个字典序排列
636. Exclusive Time of Functions
647. Palindromic Substrings 回文子字符串
687. Longest Univalue Path
712. Minimum ASCII Delete Sum for Two Strings 串相等的最小删除代价
75. Sort Colors 荷兰国旗问题
859. Buddy Strings
877. Stone Game 石子游戏
89. Gray Code 格雷码
95. Unique Binary Search Trees II
952. Largest Component Size by Common Factor
96. Unique Binary Search Trees
970. Powerful Integers 平方数
971. Flip Binary Tree To Match Preorder Traversal
977. Squares of a Sorted Array
98. Validate Binary Search Tree 验证二叉搜索树
983. Minimum Cost For Tickets 买票的最小花费
985. Sum of Even Numbers After Queries
989. Add to Array-Form of Integer
997. Find the Town Judge
Best Time to Buy and Sell Stock 买卖股票最佳时间系列
Combination Sum 系列
Construct Binary Tree 系列
Decode Ways 系列
LRU cache
Populating Next Right Pointers in Each Node 系列
Power of 系列
Search in Rotated Sorted Array 旋转数组查找
Single Number 系列
String to Integer (atoi) 字符串转数字
Word Break 系列
常用 STL 操作
单词阶梯系列
二叉树与链表专题
滑动窗口专题
矩阵旋转
正则匹配系列
字符串翻转

CTRL K

LeetCode 题解
分布式系统
Go 标准库源码剖析
Go 基础教程
Go 性能优化手册
操作系统
计算机网络
数据库

[969. Pancake Sorting 翻转排序][1]
1002. Find Common Characters 寻找公共字符
1004. Max Consecutive Ones III
1014. Capacity To Ship Packages Within D Days 运输最小容量
1018. Binary Prefix Divisible By 5
1024. Video Stitching
1025. Divisor Game
1029. Two City Scheduling
1031. Maximum Sum of Two Non-Overlapping Subarrays
1078. Occurrences After Bigram
1079. Letter Tile Possibilities
1080. Insufficient Nodes in Root to Leaf Paths
1081. Smallest Subsequence of Distinct Characters
109. Convert Sorted List to Binary Search Tree
110. Balanced Binary Tree
112. Path Sum
12. Integer to Roman 数字转罗马串
1233. Remove Sub-Folders from the Filesystem
131. Palindrome Partitioning 回文子串分割
134. Gas Station 加油问题
135. Candy 分糖果
1409. Queries on a Permutation With Key
15. 3Sum
152. Maximum Product Subarray
162. Find Peak Element
165. Compare Version Numbers 版本号比较
168. Excel Sheet Column Title
172. Factorial Trailing Zeroes
173. Binary Search Tree Iterator
190. Reverse Bits 逆置位序列
201. Bitwise AND of Numbers Range
202. Happy Number 快乐数
204. Count Primes
205. Isomorphic Strings
215. Kth Largest Element in an Array 第 K 大的数
236. Lowest Common Ancestor of a Binary Tree
26. Remove Duplicates from Sorted Array 已排序数组原地去重
28. Implement strStr()
29. Divide Two Integers 实现除法
3. Longest Substring Without Repeating Characters
338. Counting Bits 位计数
34. Find First and Last Position of Element in Sorted Array 寻找排序数组目标的开始和结束
347. Top K Frequent Elements 出现频率TopK的元素
36. Valid Sudoku 判断部分数独图是否有效
37. Sudoku Solver 数独解题器
371. Sum of Two Integers
413. Arithmetic Slices 算术切片
437. Path Sum III
451. Sort Characters By Frequency 按出现频率排序字符
50. Pow(x, n) 实现pow乘方函数
503. Next Greater Element II
567. Permutation in String 字符串中的组合
60. Permutation Sequence 第 K 个字典序排列
636. Exclusive Time of Functions
647. Palindromic Substrings 回文子字符串
687. Longest Univalue Path
712. Minimum ASCII Delete Sum for Two Strings 串相等的最小删除代价
75. Sort Colors 荷兰国旗问题
859. Buddy Strings
877. Stone Game 石子游戏
89. Gray Code 格雷码
95. Unique Binary Search Trees II
952. Largest Component Size by Common Factor
96. Unique Binary Search Trees
970. Powerful Integers 平方数
971. Flip Binary Tree To Match Preorder Traversal
977. Squares of a Sorted Array
98. Validate Binary Search Tree 验证二叉搜索树
983. Minimum Cost For Tickets 买票的最小花费
985. Sum of Even Numbers After Queries
989. Add to Array-Form of Integer
997. Find the Town Judge
Best Time to Buy and Sell Stock 买卖股票最佳时间系列
Combination Sum 系列
Construct Binary Tree 系列
Decode Ways 系列
LRU cache
Populating Next Right Pointers in Each Node 系列
Power of 系列
Search in Rotated Sorted Array 旋转数组查找
Single Number 系列
String to Integer (atoi) 字符串转数字
Word Break 系列
常用 STL 操作
单词阶梯系列
二叉树与链表专题
滑动窗口专题
矩阵旋转
正则匹配系列
字符串翻转

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LeetCode 题解

1080. Insufficient Nodes in Root to Leaf Paths

1080. Insufficient Nodes in Root to Leaf Paths

根到叶子路径和严格小于某个给定值，那么这些叶子节点进行修剪

rejudge …

#tree

1079. Letter Tile Possibilities 1081. Smallest Subsequence of Distinct Characters

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