Gaozhipeng's Blog|选择一种你自己的生活

Tech
2021-02-20 重构重复if语句的三个方式
2020-09-30 Mockito-如何写出好的测试代码(翻译)
2020-08-14 Zygote pre-fork线程池源码分析
2020-06-19 接口的默认实现(Default Methods)
2020-05-29 拓扑排序算法
2020-05-26 Java 动态代理原理解析
2020-05-13 AQS详解(一) 信号量Semaphore的使用
2020-05-07 linux Cgroup Freezer 子系统原理
2020-04-28 Android JNI方法的注册
2020-04-21 Linux中的信号
2020-04-20 Android稳定性之native crash —— 之debuggerd(tombstoned in Android P)
2020-04-20 Android稳定性之java crash
2020-04-18 Android稳定性开篇
2020-04-17 浅析ART虚拟机（二）虚拟机创建
2020-04-16 浅析ART虚拟机（一）虚拟机第一次启动
2020-03-02 java1.8方法引用官方文档
2019-12-31 ArrayMap的hash碰撞和内存优化的原理
2019-12-23 Android智能指针(六)：RefBase的debug
2019-12-23 Android智能指针(五)：sp、wp的析构
2019-12-23 Android智能指针(四)：wp
2019-12-23 Android智能指针(三)：sp
2019-12-20 Android智能指针(二)：RefBase
2019-12-18 Android智能指针(一)：概述
2019-11-29 simple-perf工具（四）
2019-11-29 simple-perf工具（三）
2019-11-25 simple-perf工具（二）
2019-11-18 simple-perf工具（一）
2019-11-11 permissive domains not allowed in user builds
2019-10-21 binder_sample日志分析
2019-09-25 科学上网，理性爱国
2019-08-19 Android lowmemorykiller源码分析（四）
2019-08-16 Android lowmemorykiller源码分析（三）
2019-08-16 Android lowmemorykiller源码分析（二）
2019-08-12 Android lowmemorykiller源码分析（一）
2019-07-25 APP COMPACTION 源码分析(kernel层)
2019-07-24 有序广播和无序广播anr问题
2019-07-24 app compaction 源码分析（framework层）
2019-04-03 Android屏幕旋转流程(二)
2019-04-03 Android屏幕旋转流程(一)
2019-03-19 Android P ClientTransaction
2019-03-14 startactivity流程
2019-03-13 AMS服务的启动
2019-03-06 choreographer(一)
2019-02-20 wms服务启动
2018-12-04 使用google cloud platform搭建免费的shadowsocks服务器
2018-08-20 高通应用启动优化IO-Prefetcher源码解析(二)
2018-08-20 高通应用启动优化IO Prefetcher源码解析
2018-08-17 input事件处理流程(四)
2018-08-16 input事件处理流程(二)
2018-08-16 input事件处理流程(三)
2018-08-13 input事件处理流程
2016-12-23 lambda expressions
2016-08-15 Android流量统计源码分析
2016-08-02 watchdog 原理
2015-07-25 树莓派ssh连接以及无线静态ip分配
2015-06-01 netd学习记录(二)kernel主动上报流程解析(一)
2015-05-30 netd学习记录(一)main函数解析
2015-05-30 netd学习记录(一)概述
2015-04-01 源码NativeDaemonConnector解析
2015-03-17 java读写锁以及官方示例讲解
2015-02-17 从搭vps到搭建自己的shadowsock翻墙梯子
2015-02-14 SEAndroid学习笔记
2015-02-08 anr处理日常记录
2014-12-06 关于AppOpsManager部分
2014-06-13 AppOps简介
2014-06-12 学习repo相关
2014-06-12 学习git相关
2014-06-10 新公司aosp代码下载
Life
2022-08-10 浮生偷得半日闲
2016-02-06 有感于鬼脚七
2015-07-26 《无间道》的想法
2015-05-03 关于财富的一些观点转变
2015-01-10 到美丽的地方去
2014-12-23 我想当冒险家
2014-05-16 浮生偷得半日闲
2014-03-27 hello world
Leetcode
2024-10-10 2798. Number of Employees Who Met the Target
2024-10-09 3280. Convert Date to Binary
2024-10-08 2942. Find Words Containing Character
2024-09-28 3289. The Two Sneaky Numbers of Digitville
2024-09-27 3146. Permutation Difference between Two Strings
2024-09-26 3190. Find Minimum Operations to Make All Elements Divisible by Three
2024-09-25 2894. Divisible and Non-divisible Sums Difference
2024-09-24 2769. Find the Maximum Achievable Number
2024-09-23 2578. Split With Minimum Sum
2024-09-20 2540. Minimum Common Value
2024-09-19 3110. Score of a String
2024-09-18 179. Largest Number
2023-03-03 31. Next Permutation
2023-03-02 173. Binary Search Tree Iterator
2023-03-01 2094. Finding 3-Digit Even Numbers
2023-02-28 2574. Left and Right Sum Differences
2023-02-27 2566. Maximum Difference by Remapping a Digit
2023-02-25 2303. Calculate Amount Paid in Taxes
2023-02-24 2562. Find the Array Concatenation Value
2023-02-23 1332. Remove Palindromic Subsequences
2023-02-22 1806. Minimum Number of Operations to Reinitialize a Permutation
2023-02-21 1441. Build an Array With Stack Operations
2023-02-20 2396. Strictly Palindromic Number
2023-02-19 2570. Merge Two 2D Arrays by Summing Values
2023-02-18 2437. Number of Valid Clock Times
2023-02-17 2409. Count Days Spent Together
2023-02-16 1592. Rearrange Spaces Between Words
2023-02-15 1646. Get Maximum in Generated Array
2023-02-14 1909. Remove One Element to Make the Array Strictly Increasing
2023-02-13 2423. Remove Letter To Equalize Frequency
2023-02-12 2136. Earliest Possible Day of Full Bloom
2023-02-11 2553. Separate the Digits in an Array
2023-02-10 2549. Count Distinct Numbers on Board
2023-02-09 2190. Most Frequent Number Following Key In an Array
2023-02-08 2231. Largest Number After Digit Swaps by Parity
2023-02-07 2558. Take Gifts From the Richest Pile
2023-02-06 2490. Circular Sentence
2023-02-05 1399. Count Largest Group
2023-02-04 2544. Alternating Digit Sum
2023-02-03 1706. Where Will the Ball Fall
2023-02-02 1403. Minimum Subsequence in Non-Increasing Order
2023-02-01 1833. Maximum Ice Cream Bars
2023-01-31 2428. Maximum Sum of an Hourglass
2023-01-30 2529. Maximum Count of Positive Integer and Negative Integer
2023-01-29 1409. Queries on a Permutation With Key
2023-01-28 2520. Count the Digits That Divide a Number
2023-01-27 2545. Sort the Students by Their Kth Score
2023-01-26 2535. Difference Between Element Sum and Digit Sum of an Array
2023-01-25 2487. Remove Nodes From Linked List
2023-01-24 739. Daily Temperatures
2023-01-23 116. Populating Next Right Pointers in Each Node
2023-01-22 18. 4Sum
2023-01-21 454. 4Sum II
2023-01-20 215. Kth Largest Element in an Array
2023-01-19 49. Group Anagrams
2023-01-18 289. Game of Life
2023-01-17 48. Rotate Image
2023-01-16 1743. Restore the Array From Adjacent Pairs
2023-01-15 1525. Number of Good Ways to Split a String
2023-01-14 791. Custom Sort String
2023-01-13 1338. Reduce Array Size to The Half
2023-01-12 1387. Sort Integers by The Power Value
2023-01-11 2352. Equal Row and Column Pairs
2023-01-10 2475. Number of Unequal Triplets in Array
2023-01-09 2496. Maximum Value of a String in an Array
2023-01-08 2186. Minimum Number of Steps to Make Two Strings Anagram II
2023-01-07 2044. Count Number of Maximum Bitwise-OR Subsets
2023-01-06 1310. XOR Queries of a Subarray
2023-01-05 1529. Minimum Suffix Flips
2023-01-04 2275. Largest Combination With Bitwise AND Greater Than Zero
2023-01-03 2294. Partition Array Such That Maximum Difference Is K
2023-01-02 2023. Number of Pairs of Strings With Concatenation Equal to Target
2023-01-01 2225. Find Players With Zero or One Losses
2022-12-31 1910. Remove All Occurrences of a Substring
2022-12-30 2506. Count Pairs Of Similar Strings
2022-12-29 2482. Difference Between Ones and Zeros in Row and Column
2022-12-28 1796. Second Largest Digit in a String
2022-12-27 2515. Shortest Distance to Target String in a Circular Array
2022-12-26 2432. The Employee That Worked on the Longest Task
2022-12-25 1790. Check if One String Swap Can Make Strings Equal
2022-12-24 2239. Find Closest Number to Zero
2022-12-23 2446. Determine if Two Events Have Conflict
2022-12-22 2259. Remove Digit From Number to Maximize Result
2022-12-21 150. Evaluate Reverse Polish Notation
2022-12-20 841. Keys and Rooms
2022-12-19 1971. Find if Path Exists in Graph
2022-12-18 2481. Minimum Cuts to Divide a Circle
2022-12-17 2485. Find the Pivot Integer
2022-12-16 2500. Delete Greatest Value in Each Row
2022-12-15 1752. Check if Array Is Sorted and Rotated
2022-12-13 611. Valid Triangle Number
2022-12-13 1893. Check if All the Integers in a Range Are Covered
2022-12-12 2404. Most Frequent Even Element
2022-12-11 2016. Maximum Difference Between Increasing Elements
2022-12-10 1984. Minimum Difference Between Highest and Lowest of K Scores
2022-12-09 1961. Check If String Is a Prefix of Array
2022-12-08 2027. Minimum Moves to Convert String
2022-12-07 1886. Determine Whether Matrix Can Be Obtained By Rotation
2022-12-06 2335. Minimum Amount of Time to Fill Cups
2022-12-05 1903. Largest Odd Number in String
2022-12-04 2133. Check if Every Row and Column Contains All Numbers
2022-12-03 2379. Minimum Recolors to Get K Consecutive Black Blocks
2022-12-02 1952. Three Divisors
2022-12-01 2455. Average Value of Even Numbers That Are Divisible by Three
2022-11-30 2287. Rearrange Characters to Make Target String
2022-11-29 2210. Count Hills and Valleys in an Array
2022-11-28 2022. Convert 1D Array Into 2D Array
2022-11-27 1848. Minimum Distance to the Target Element
2022-11-26 2299. Strong Password Checker II
2022-11-25 2465. Number of Distinct Averages
2022-11-24 2264. Largest 3-Same-Digit Number in String
2022-11-23 1995. Count Special Quadruplets
2022-11-22 2451. Odd String Difference
2022-11-21 1854. Maximum Population Year
2022-11-20 1897. Redistribute Characters to Make All Strings Equal
2022-11-19 2148. Count Elements With Strictly Smaller and Greater Elements
2022-11-18 1945. Sum of Digits of String After Convert
2022-11-17 1869. Longer Contiguous Segments of Ones than Zeros
2022-11-16 2073. Time Needed to Buy Tickets
2022-11-15 2460. Apply Operations to an Array
2022-11-14 2433. Find The Original Array of Prefix Xor
2022-11-13 2469. Convert the Temperature
2022-11-12 2347. Best Poker Hand
2022-11-11 2129. Capitalize the Title
2022-11-10 2144. Minimum Cost of Buying Candies With Discount
2022-11-09 2395. Find Subarrays With Equal Sum
2022-11-08 1800. Maximum Ascending Subarray Sum
2022-11-07 2389. Longest Subsequence With Limited Sum
2022-11-06 2200. Find All K-Distant Indices in an Array
2022-11-05 2180. Count Integers With Even Digit Sum
2022-11-04 2293. Min Max Game
2022-11-03 1385. Find the Distance Value Between Two Arrays
2022-11-02 1694. Reformat Phone Number
2022-11-01 2042. Check if Numbers Are Ascending in a Sentence
2022-10-31 2441. Largest Positive Integer That Exists With Its Negative
2022-10-30 1763. Longest Nice Substring
2022-10-28 1860. Incremental Memory Leak
2022-10-27 2442. Count Number of Distinct Integers After Reverse Operations
2022-10-26 1758. Minimum Changes To Make Alternating Binary String
2022-10-24 1668. Maximum Repeating Substring
2022-10-23 1640. Check Array Formation Through Concatenation
2022-10-22 1652. Defuse the Bomb
2022-10-21 1629. Slowest Key
2022-10-20 1624. Largest Substring Between Two Equal Characters
2022-10-19 1576. Replace All ?'s to Avoid Consecutive Repeating Characters
2022-10-18 1566. Detect Pattern of Length M Repeated K or More Times
2022-10-17 1556. Thousand Separator
2022-10-16 1539. Kth Missing Positive Number
2022-10-15 1518. Water Bottles
2022-10-14 1523. Count Odd Numbers in an Interval Range
2022-10-13 1496. Path Crossing
2022-10-12 1491. Average Salary Excluding the Minimum and Maximum Salary
2022-10-11 1608. Special Array With X Elements Greater Than or Equal X
2022-10-10 1598. Crawler Log Folder
2022-10-09 1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence
2022-10-08 1437. Check If All 1's Are at Least Length K Places Away
2022-10-07 1422. Maximum Score After Splitting a String
2022-10-06 1417. Reformat The String
2022-10-05 1394. Find Lucky Integer in an Array
2022-10-04 1317. Convert Integer to the Sum of Two No-Zero Integers
2022-10-03 2427. Number of Common Factors
2022-10-02 2336. Smallest Number in Infinite Set
2022-09-29 2375. Construct Smallest Number From DI String
2022-09-28 1442. Count Triplets That Can Form Two Arrays of Equal XOR
2022-09-27 2418. Sort the People
2022-09-26 1544. Make The String Great
2022-09-25 1408. String Matching in an Array
2022-09-23 1346. Check If N and Its Double Exist
2022-09-22 2273. Find Resultant Array After Removing Anagrams
2022-09-21 2413. Smallest Even Multiple
2022-09-20 2269. Find the K-Beauty of a Number
2022-09-19 1822. Sign of the Product of an Array
2022-09-18 2399. Check Distances Between Same Letters
2022-09-17 2224. Minimum Number of Operations to Convert Time
2022-09-16 2405. Optimal Partition of String
2022-09-15 1026. Maximum Difference Between Node and Ancestor
2022-09-14 1286. Iterator for Combination
2022-09-13 1396. Design Underground System
2022-09-12 2326. Spiral Matrix IV
2022-09-11 1448. Count Good Nodes in Binary Tree
2022-09-09 1325. Delete Leaves With a Given Value
2022-09-08 2363. Merge Similar Items
2022-09-07 1472. Design Browser History
2022-09-06 1823. Find the Winner of the Circular Game
2022-09-05 1347. Minimum Number of Steps to Make Two Strings Anagram
2022-09-04 1381. Design a Stack With Increment Operation
2022-09-03 1641. Count Sorted Vowel Strings
2022-09-02 1314. Matrix Block Sum
2022-09-01 1605. Find Valid Matrix Given Row and Column Sums
2022-08-31 1561. Maximum Number of Coins You Can Get
2022-08-30 2373. Largest Local Values in a Matrix
2022-08-29 2391. Minimum Amount of Time to Collect Garbage
2022-08-28 1716. Calculate Money in Leetcode Bank
2022-08-27 2068. Check Whether Two Strings are Almost Equivalent
2022-08-26 2062. Count Vowel Substrings of a String
2022-08-25 2243. Calculate Digit Sum of a String
2022-08-24 2164. Sort Even and Odd Indices Independently
2022-08-23 1700. Number of Students Unable to Eat Lunch
2022-08-22 1582. Special Positions in a Binary Matrix
2022-08-21 2138. Divide a String Into Groups of Size k
2022-08-20 1991. Find the Middle Index in Array
2022-08-19 2319. Check if Matrix Is X-Matrix
2022-08-18 2309. Greatest English Letter in Upper and Lower Case
2022-08-17 2078. Two Furthest Houses With Different Colors
2022-08-16 1413. Minimum Value to Get Positive Step by Step Sum
2022-08-15 1925. Count Square Sum Triples
2022-08-14 1636. Sort Array by Increasing Frequency
2022-08-12 1779. Find Nearest Point That Has the Same X or Y Coordinate
2022-08-11 2367. Number of Arithmetic Triplets
2022-08-10 1502. Can Make Arithmetic Progression From Sequence
2022-08-09 2215. Find the Difference of Two Arrays
2022-08-08 1380. Lucky Numbers in a Matrix
2022-08-07 2357. Make Array Zero by Subtracting Equal Amounts
2022-08-06 2085. Count Common Words With One Occurrence
2022-08-05 2248. Intersection of Multiple Arrays
2022-08-04 1876. Substrings of Size Three with Distinct Characters
2022-08-03 1974. Minimum Time to Type Word Using Special Typewriter
2022-08-02 2057. Smallest Index With Equal Value
2022-08-01 2124. Check if All A's Appears Before All B's
2022-07-31 2032. Two Out of Three
2022-07-29 2331. Evaluate Boolean Binary Tree
2022-07-28 2351. First Letter to Appear Twice
2022-07-27 2341. Maximum Number of Pairs in Array
2022-07-26 2325. Decode the Message
2022-07-25 1669. Merge In Between Linked Lists
2022-07-24 2053. Kth Distinct String in an Array
2022-07-23 2255. Count Prefixes of a Given String
2022-07-21 2278. Percentage of Letter in String
2022-07-20 2154. Keep Multiplying Found Values by Two
2022-07-19 1880. Check if Word Equals Summation of Two Words
2022-07-18 1742. Maximum Number of Balls in a Box
2022-07-15 2283. Check if Number Has Equal Digit Count and Digit Value
2022-07-14 1351. Count Negative Numbers in a Sorted Matrix
2022-07-13 1475. Final Prices With a Special Discount in a Shop
2022-07-12 1748. Sum of Unique Elements
2022-07-11 2169. Count Operations to Obtain Zero
2022-07-10 1768. Merge Strings Alternately
2022-07-09 2206. Divide Array Into Equal Pairs
2022-07-07 1710. Maximum Units on a Truck
2022-07-06 2119. A Number After a Double Reversal
2022-07-05 1837. Sum of Digits in Base K
2022-07-04 1941. Check if All Characters Have Equal Number of Occurrences
2022-07-03 2185. Counting Words With a Given Prefix
2022-07-02 1374. Generate a String With Characters That Have Odd Counts
2022-07-01 2000. Reverse Prefix of Word
2022-06-30 1979. Find Greatest Common Divisor of Array
2022-06-28 1812. Determine Color of a Chessboard Square
2022-06-28 1370. Increasing Decreasing String
2022-06-27 1704. Determine if String Halves Are Alike
2022-06-26 2315. Count Asterisks
2022-06-25 2089. Find Target Indices After Sorting Array
2022-06-24 1827. Minimum Operations to Make the Array Increasing
2022-06-23 1863. Sum of All Subset XOR Totals
2022-06-22 1732. Find the Highest Altitude
2022-06-21 1725. Number Of Rectangles That Can Form The Largest Square
2022-06-20 1557. Minimum Number of Vertices to Reach All Nodes
2022-06-19 1630. Arithmetic Subarrays
2022-06-18 2221. Find Triangular Sum of an Array
2022-06-17 980. Unique Paths III
2022-06-17 2108. Find First Palindromic String in the Array
2022-06-16 1305. All Elements in Two Binary Search Trees
2022-06-15 1572. Matrix Diagonal Sum
2022-06-14 1967. Number of Strings That Appear as Substrings in Word
2022-06-13 1844. Replace All Digits with Characters
2022-06-12 1382. Balance a Binary Search Tree
2022-06-11 2176. Count Equal and Divisible Pairs in an Array
2022-06-10 2079. Watering Plants
2022-06-09 1534. Count Good Triplets
2022-06-08 1816. Truncate Sentence
2022-06-07 1877. Minimize Maximum Pair Sum in Array
2022-06-06 1817. Finding the Users Active Minutes
2022-06-05 1551. Minimum Operations to Make Array Equal
2022-06-03 1913. Maximum Product Difference Between Two Pairs
2022-06-02 1832. Check if the Sentence Is Pangram
2022-06-01 2103. Rings and Rods
2022-05-31 2220. Minimum Bit Flips to Convert Number
2022-05-30 2149. Rearrange Array Elements by Sign
2022-05-29 2130. Maximum Twin Sum of a Linked List
2022-05-28 2006. Count Number of Pairs With Absolute Difference K
2022-05-27 2037. Minimum Number of Moves to Seat Everyone
2022-05-26 2161. Partition Array According to Given Pivot
2022-05-25 1688. Count of Matches in Tournament
2022-05-24 2125. Number of Laser Beams in a Bank
2022-05-21 2120. Execution of All Suffix Instructions Staying in a Grid
2022-05-20 1859. Sorting the Sentence
2022-05-19 2265. Count Nodes Equal to Average of Subtree
2022-05-18 2194. Cells in a Range on an Excel Sheet
2022-05-17 1828. Queries on Number of Points Inside a Circle
2022-05-16 2181. Merge Nodes in Between Zeros
2022-05-15 2160. Minimum Sum of Four Digit Number After Splitting Digits
2022-05-13 2114. Maximum Number of Words Found in Sentences
2022-05-12 2011. Final Value of Variable After Performing Operations
2022-05-11 2236. Root Equals Sum of Children
2022-01-13 1356. Sort Integers by The Number of 1 Bits
2022-01-12 1337. The K Weakest Rows in a Matrix
2022-01-11 1309. Decrypt String from Alphabet to Integer Mapping
2022-01-10 1304. Find N Unique Integers Sum up to Zero
2022-01-07 1275. Find Winner on a Tic Tac Toe Game
2022-01-06 1957. Delete Characters to Make Fancy String
2022-01-05 1550. Three Consecutive Odds
2022-01-04 1507. Reformat Date
2021-12-31 1360. Number of Days Between Two Dates
2021-12-30 1935. Maximum Number of Words You Can Type
2021-12-29 1331. Rank Transform of an Array
2021-12-28 1299. Replace Elements with Greatest Element on Right Side
2021-12-27 1287. Element Appearing More Than 25% In Sorted Array
2021-12-26 1619. Mean of Array After Removing Some Elements
2021-12-24 228. Summary Ranges
2021-12-23 145. Binary Tree Postorder Traversal
2021-12-22 143. Reorder List
2021-12-21 231. Power of Two
2021-12-20 1200. Minimum Absolute Difference
2021-12-17 221. Maximal Square
2021-12-15 147. Insertion Sort List
2021-12-14 938. Range Sum of BST
2021-12-13 1446. Consecutive Characters
2021-12-10 144. Binary Tree Preorder Traversal
2021-08-18 1929. Concatenation of Array
2021-07-23 1920. Build Array from Permutation
2021-03-23 1588. Sum of All Odd Length Subarrays
2021-03-22 1329. Sort the Matrix Diagonally
2021-03-19 1656. Design an Ordered Stream
2021-03-18 1791. Find Center of Star Graph
2021-03-17 1773. Count Items Matching a Rule
2021-03-05 1684. Count the Number of Consistent Strings
2021-03-04 1614. Maximum Nesting Depth of the Parentheses
2021-03-03 1662. Check If Two String Arrays are Equivalent
2021-02-26 1637. Widest Vertical Area Between Two Points Containing No Points
2021-02-25 1486. XOR Operation in an Array
2021-02-24 1302. Deepest Leaves Sum
2021-02-23 1769. Minimum Number of Operations to Move All Balls to Each Box
2021-02-22 1282. Group the People Given the Group Size They Belong To
2021-02-20 1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree
2021-02-19 1528. Shuffle String
2021-02-05 1720. Decode XORed Array
2021-02-04 1678. Goal Parser Interpretation
2021-02-03 1603. Design Parking System
2021-02-02 1689. Partitioning Into Minimum Number Of Deci-Binary Numbers
2021-02-01 1512. Number of Good Pairs
2021-01-29 1672. Richest Customer Wealth
2021-01-28 1476. Subrectangle Queries
2021-01-27 1480. Running Sum of 1d Array
2020-08-12 100盏灯暗灭情况
2020-08-10 获得最多的奖金
2020-06-23 222. Count Complete Tree Nodes
2020-06-18 274. H-Index
2020-06-16 468. Validate IP Address
2020-06-15 787. Cheapest Flights Within K Stops
2020-06-12 380. Insert Delete GetRandom O(1)
2020-06-11 75. Sort Colors
2020-06-10 1460. Make Two Arrays Equal by Reversing Sub-arrays
2020-06-09 1464. Maximum Product of Two Elements in an Array
2020-06-08 1470. Shuffle the Array
2020-06-07 518.Coin Change 2
2020-06-05 528. Random Pick with Weight
2020-06-04 1315. Sum of Nodes with Even-Valued Grandparent
2020-06-03 329. Longest Increasing Path in a Matrix
2020-06-02 1203. Sort Items by Groups Respecting Dependencies
2020-06-01 210. Course Schedule II
2020-05-29 207. Course Schedule
2020-05-28 1323. Maximum 69 Number
2020-05-27 886. Possible Bipartition
2020-05-26 525. Contiguous Array
2020-05-25 1035. Uncrossed Lines
2020-05-22 1266. Minimum Time Visiting All Points
2020-05-21 1450. Number of Students Doing Homework at a Given Time
2020-05-20 230. Kth Smallest Element in a BST
2020-05-19 901. Online Stock Span
2020-05-18 567. Permutation in String
2020-05-16 328. Odd Even Linked List
2020-05-15 918. Maximum Sum Circular Subarray
2020-05-13 402. Remove K Digits
2020-05-13 1226. The Dining Philosophers
2020-05-12 1290. Convert Binary Number in a Linked List to Integer
2020-05-11 1436. Destination City
2020-05-09 cube root
2020-05-08 1389. Create Target Array in the Given Order
2020-05-07 1295. Find Numbers with Even Number of Digits
2020-05-06 1431. Kids With the Greatest Number of Candies
2020-04-30 1281. Subtract the Product and Sum of Digits of an Integer
2020-04-29 1313. Decompress Run-Length Encoded List
2020-04-28 1365. How Many Numbers Are Smaller Than the Current Number
2020-04-27 1342. Number of Steps to Reduce a Number to Zero
2019-12-19 283. Move Zeroes
2019-12-05 61. Rotate List
2019-12-03 959. Regions Cut By Slashes
2019-12-03 684. Redundant Connection
2019-12-02 1277. Count Square Submatrices with All Ones
2019-11-28 986. Interval List Intersections
2019-11-27 1261. Find Elements in a Contaminated Binary Tree
2019-11-26 1232. Check If It Is a Straight Line
2019-11-25 1260. Shift 2D Grid
2019-11-21 1221. Split a String in Balanced Strings
2019-11-20 1237. Find Positive Integer Solution for a Given Equation
2019-11-19 1252. Cells with Odd Values in a Matrix
2019-10-28 1110. Delete Nodes And Return Forest
2019-10-25 885. Spiral Matrix III
2019-10-24 1111. Maximum Nesting Depth of Two Valid Parentheses Strings
2019-10-23 979. Distribute Coins in Binary Tree
2019-10-22 1222. Queens That Can Attack the King
2019-10-21 1161. Maximum Level Sum of a Binary Tree
2019-10-18 299. Bulls and Cows
2019-10-17 392. Is Subsequence
2019-10-16 1175. Prime Arrangements
2019-10-15 1184. Distance Between Bus Stops
2019-10-14 1217. Play with Chips
2019-10-12 1189. Maximum Number of Balloons
2019-10-11 1185. Day of the Week
2019-10-10 1200. Minimum Absolute Difference
2019-10-09 1207. Unique Number of Occurrences
2019-09-24 合并K个排序链表
2019-09-23 相交链表
2019-09-20 环形链表 II
2019-09-19 排序链表
2019-09-18 两数相加
2019-09-17 合并两个有序链表
2019-09-16 接雨水
2019-09-12 合并区间
2019-09-10 朋友圈
2019-09-09 第k个排列
2019-09-05 翻转单向链表
2019-09-05 最长连续序列
2019-09-04 数组中的第K个最大元素
2019-09-03 最长连续递增序列
2019-09-02 搜索旋转排序数组
2019-08-30 岛屿的最大面积
2019-08-29 1154. Day of the Year
2019-08-28 三数之和
2019-08-27 复原IP地址
2019-08-26 1170. Compare Strings by Frequency of the Smallest Character
2019-08-23 1078. Occurrences After Bigram
2019-08-22 1160. Find Words That Can Be Formed by Characters
2019-08-21 1103. Distribute Candies to People
2019-08-20 翻转字符串里的单词
2019-08-19 字符串相乘
2019-08-16 字符串的排列
2019-08-15 最长公共前缀
2019-08-14 无重复字符的最长子串
2019-08-13 1123. Lowest Common Ancestor of Deepest Leaves
2019-08-12 951. Flip Equivalent Binary Trees
2019-08-09 861. Score After Flipping Matrix
2019-08-08 921. Minimum Add to Make Parentheses Valid
2019-08-07 1104. Path In Zigzag Labelled Binary Tree
2019-08-06 797. All Paths From Source to Target
2019-08-05 890. Find and Replace Pattern
2019-08-02 877. Stone Game
2019-08-01 1137. N-th Tribonacci Number
2019-07-31 763. Partition Labels
2019-07-30 814. Binary Tree Pruning
2019-07-29 894. All Possible Full Binary Trees
2019-07-26 1008. Construct Binary Search Tree from Preorder Traversal
2019-07-25 701. Insert into a Binary Search Tree
2019-07-24 1128. Number of Equivalent Domino Pairs
2019-07-23 705. Design HashSet
2019-07-22 706. Design HashMap
2019-07-19 1108. Defanging an IP Address
2019-07-18 move zeros
2019-07-17 roll a linkedlist
2019-07-16 1122. Relative Sort Array
2019-07-15 1079. Letter Tile Possibilities
2019-07-12 654. Maximum Binary Tree
2019-07-11 1038. Binary Search Tree to Greater Sum Tree
2019-07-10 807. Max Increase to Keep City Skyline
2019-07-09 707. Design Linked List
2019-07-08 859. Buddy Strings
2019-07-05 686. Repeated String Match
2019-07-04 874. Walking Robot Simulation
2019-07-03 754. Reach a Number
2019-07-02 687. Longest Univalue Path
2019-07-01 949. Largest Time for Given Digits
2019-06-28 680. Valid Palindrome II
2019-06-27 1033. Moving Stones Until Consecutive
2019-06-26 1037. Valid Boomerang
2019-06-25 443. String Compression
2019-06-24 970. Powerful Integers
2019-06-21 482. License Key Formatting
2019-06-20 558. Quad Tree Intersection
2019-06-19 1041. Robot Bounded In Circle
2019-06-18 1089. Duplicate Zeros
2019-06-17 744. Find Smallest Letter Greater Than Target
2019-06-14 925. Long Pressed Name
2019-06-13 720. Longest Word in Dictionary
2019-06-12 989. Add to Array-Form of Integer
2019-06-11 1010. Pairs of Songs With Total Durations Divisible by 60
2019-06-10 844. Backspace String Compare
2019-06-06 994. Rotting Oranges
2019-06-05 703. Kth Largest Element in a Stream
2019-06-04 1018. Binary Prefix Divisible By 5
2019-06-03 1071. Greatest Common Divisor of Strings
2019-05-31 836. Rectangle Overlap
2019-05-29 1042. Flower Planting With No Adjacent
2019-05-28 1047. Remove All Adjacent Duplicates In String
2019-05-25 704. Binary Search
2019-05-25 1051. Height Checker
2019-05-24 997. Find the Town Judge
2019-05-23 1005. Maximize Sum Of Array After K Negations
2019-05-22 860. Lemonade Change
2019-05-21 783. Minimum Distance Between BST Nodes
2019-05-20 1046. Last Stone Weight
2019-05-17 733. Flood Fill
2019-05-16 1022. Sum of Root To Leaf Binary Numbers
2019-05-15 993. Cousins in Binary Tree
2019-05-14 696. Count Binary Substrings
2019-05-13 1029. Two City Scheduling
2019-05-10 748. Shortest Completing Word
2019-05-09 788. Rotated Digits
2019-05-08 1030. Matrix Cells in Distance Order
2019-05-07 938. Range Sum of BST
2019-05-06 1013. Partition Array Into Three Parts With Equal Sum
2019-04-29 892. Surface Area of 3D Shapes
2019-04-28 427. Construct Quad Tree
2019-04-26 812. Largest Triangle Area
2019-04-25 953. Verifying an Alien Dictionary
2019-04-24 917. Reverse Only Letters
2019-04-23 976. Largest Perimeter Triangle
2019-04-22 824. Goat Latin
2019-04-19 1009. Complement of Base 10 Integer
2019-04-18 429. N-ary Tree Level Order Traversal
2019-04-17 1025. Divisor Game
2019-04-16 868. Binary Gap
2019-04-15 884. Uncommon Words from Two Sentences
2019-04-12 872.Leaf-Similar Trees
2019-04-11 897. Increasing Order Search Tree
2019-04-10 876. Middle of the Linked List
2019-04-09 811. Subdomain Visit Count
2019-04-08 1021. Remove Outermost Parentheses
2019-04-04 908. Smallest Range I
2019-04-03 883. Projection Area of 3D Shapes
2019-04-02 559. Maximum Depth of N-ary Tree
2019-04-01 985. Sum of Even Numbers After Queries
2019-03-29 590. N-ary Tree Postorder Traversal
2019-03-28 589. N-ary Tree Preorder Traversal
2019-03-27 509. Fibonacci Number
2019-03-26 700. Search in a Binary Search Tree
2019-03-25 965. Univalued Binary Tree
2019-03-21 999. Available Captures for Rook
2019-03-21 1002. Find Common Characters
2019-03-20 933. Number of Recent Calls
2019-03-19 977. Squares of a Sorted Array
2019-03-18 961. N-Repeated Element in Size 2N Array
2018-12-12 937. Reorder Log Files
2018-12-11 893. Groups of Special-Equivalent Strings
2018-12-10 667. Beautiful Arrangement II
2018-12-07 950. Reveal Cards In Increasing Order
2018-12-06 914. X of a Kind in a Deck of Cards
2018-12-05 941. Valid Mountain Array
2018-12-04 840. Magic Squares In Grid
2018-12-03 849. Maximize Distance to Closest Person
2018-11-30 830. Positions of Large Groups
2018-11-29 888. Fair Candy Swap
2018-11-28 896. Monotonic Array
2018-11-27 867. Transpose Matrix
2018-11-26 922. Sort Array By Parity II
2018-11-23 944. Delete Columns to Make Sorted
2018-11-22 942. DI String Match
2018-11-21 852. Peak Index in a Mountain Array
2018-11-20 832. Flipping an Image
2018-11-19 905. Sort Array By Parity
2018-11-16 709. To Lower Case
2018-11-15 929. Unique Email Addresses
2018-04-23 821. Shortest Distance to a Character
2018-04-20 650. 2 Keys Keyboard
2018-04-19 819. Most Common Word
2018-04-18 638. Shopping Offers
2018-04-16 486. Predict the Winner
2018-04-12 714. Best Time to Buy and Sell Stock with Transaction Fee
2018-04-11 三个线程轮流打印ABC
2018-04-10 64. Minimum Path Sum
2018-04-04 746. Min Cost Climbing Stairs
2018-04-03 769. Max Chunks To Make Sorted
2018-04-02 724. Find Pivot Index
2018-03-30 747. Largest Number At Least Twice of Others
2018-03-29 674. Longest Continuous Increasing Subsequence
2018-03-28 796. Rotate String
2018-03-27 806. Number of Lines To Write String
2018-03-26 804. Unique Morse Code Words
2018-03-22 47. Permutations II
2018-03-21 131. Palindrome Partitioning
2018-03-20 40. Combination Sum II
2018-03-19 17. Letter Combinations of a Phone Number
2018-03-16 90. Subsets II
2018-03-15 77. Combinations
2018-03-14 39. Combination Sum
2018-03-13 78. Subsets
2018-03-12 357. Count Numbers with Unique Digits
2018-03-09 46. Permutations
2018-03-08 216. Combination Sum III
2018-03-07 784. Letter Case Permutation
2018-03-06 762. Prime Number of Set Bits in Binary Representation
2018-03-05 697. Degree of an Array
2018-03-02 671. Second Minimum Node In a Binary Tree
2018-03-01 682. Baseball Game
2018-02-28 669. Trim a Binary Search Tree
2018-02-27 766. Toeplitz Matrix
2018-02-26 771. Jewels and Stones
2018-01-25 760.Find Anagram Mappings
2017-12-07 8.String to Integer (atoi)
2017-11-21 653. Two Sum IV - Input is a BST
2017-11-20 728. Self Dividing Numbers
2017-11-16 695. Max Area of Island
2017-11-15 690. Employee Importance
2017-11-14 693. Binary Number with Alternating Bits
2017-11-13 3. Longest Substring Without Repeating Characters
2017-10-10 657. Judge Route Circle
2017-09-05 爬楼梯
2017-09-03 找出旋转有序数列的中间值
2017-08-28 665. Non-decreasing Array
2017-08-27 661. Image Smoother
2017-08-26 187. Repeated DNA Sequences
2017-08-24 201. Bitwise AND of Numbers Range
2017-08-23 137. Single Number II
2017-08-22 318. Maximum Product of Word Lengths
2017-08-21 397. Integer Replacement
2017-08-18 22. Generate Parentheses
2017-08-17 211. Add and Search Word - Data structure design
2017-08-16 648. Replace Words
2017-08-15 208. Implement Trie (Prefix Tree)
2017-08-14 421. Maximum XOR of Two Numbers in an Array
2017-08-13 498. Diagonal Traverse
2017-08-12 445. Add Two Numbers II
2017-08-11 2. Add Two Numbers
2017-08-09 343. Integer Break
2017-08-07 167. Two Sum II - Input array is sorted
2017-08-06 94. Binary Tree Inorder Traversal
2017-08-05 384. Shuffle an Array
2017-08-03 646. Maximum Length of Pair Chain
2017-08-02 477. Total Hamming Distance
2017-08-01 461. Hamming Distance
2017-07-31 382. Linked List Random Node
2017-07-30 503. Next Greater Element II
2017-07-29 623. Add One Row to Tree
2017-07-28 347. Top K Frequent Elements
2017-07-27 538. Convert BST to Greater Tree
2017-07-26 637. Average of Levels in Binary Tree
2017-07-25 643. Maximum Average Subarray I
2017-07-24 647. Palindromic Substrings
2017-07-23 645. Set Mismatch
2017-07-22 238. Product of Array Except Self
2017-07-21 547. Friend Circles
2017-07-20 565. Array Nesting
2017-07-19 451. Sort Characters By Frequency
2017-07-18 260. Single Number III
2017-07-17 462. Minimum Moves to Equal Array Elements II
2017-07-16 495. Teemo Attacking
2017-07-15 609. Find Duplicate File in System
2017-07-14 508. Most Frequent Subtree Sum
2017-07-13 540. Single Element in a Sorted Array
2017-07-12 413. Arithmetic Slices
2017-07-11 515. Find Largest Value in Each Tree Row
2017-07-10 442. Find All Duplicates in an Array
2017-07-09 553. Optimal Division
2017-07-08 7. Reverse Integer
2017-07-07 479. Largest Palindrome Product
2017-07-06 526. Beautiful Arrangement
2017-07-05 189. Rotate Array
2017-07-04 278. First Bad Version
2017-07-03 633. Sum of Square Numbers
2017-07-02 168. Excel Sheet Column Title
2017-07-01 125. Valid Palindrome
2017-06-30 406. Queue Reconstruction by Height
2017-06-28 598. Range Addition II
2017-06-28 628. Maximum Product of Three Numbers
2017-06-27 606. Construct String from Binary Tree
2017-06-26 599. Minimum Index Sum of Two Lists
2017-06-25 513. Find Bottom Left Tree Value
2017-06-24 338. Counting Bits
2017-06-23 419. Battleships in a Board
2017-06-22 204. Count Primes
2017-06-21 414. Third Maximum Number
2017-06-20 28. Implement strStr()
2017-06-19 624. Maximum Distance in Arrays
2017-06-18 532. K-diff Pairs in an Array
2017-06-17 537. Complex Number Multiplication
2017-06-16 69. Sqrt(x)
2017-06-14 535. Encode and Decode TinyURL
2017-06-13 155. Min Stack
2017-06-12 617. Merge Two Binary Trees
2017-06-11 605. Can Place Flowers
2017-05-25 303. Range Sum Query - Immutable
2017-05-24 190. Reverse Bits
2017-05-23 475. Heaters
2017-05-22 594. Longest Harmonious Subsequence
2017-05-19 400. Nth Digit
2017-05-19 160. Intersection of Two Linked Lists
2017-05-17 流量控制整理
2017-05-16 581. Shortest Unsorted Continuous Subarray
2017-05-16 14. Longest Common Prefix
2017-05-15 58. Length of Last Word
2017-05-12 203. Remove Linked List Elements
2017-05-11 219. Contains Duplicate II
2017-05-10 225. Implement Stack using Queues
2017-05-09 234. Palindrome Linked List
2017-05-08 572. Subtree of Another Tree
2017-05-07 575. Distribute Candies
2017-05-06 290. Word Pattern
2017-05-05 111. Minimum Depth of Binary Tree
2017-05-04 1. Two Sum
2017-05-02 20. Valid Parentheses
2017-05-02 507. Perfect Number
2017-05-01 205. Isomorphic Strings
2017-04-30 566. Reshape the Matrix
2017-04-29 530. Minimum Absolute Difference in BST
2017-04-28 563. Binary Tree Tilt
2017-04-27 521. Longest Uncommon Subsequence I
2017-04-26 520. Detect Capital
2017-04-25 557. Reverse Words in a String III
2017-04-24 561. Array Partition I
2017-04-23 438. Find All Anagrams in a String
2017-04-22 9. Palindrome Number
2017-04-21 172. Factorial Trailing Zeroes
2017-04-20 374. Guess Number Higher or Lower
2017-04-19 38. Count and Say
2017-04-18 26. Remove Duplicates from Sorted Array
2017-04-17 551. Student Attendance Record I
2017-04-14 119. Pascal's Triangle II
2017-04-13 232. Implement Queue using Stacks
2017-04-12 441. Arranging Coins
2017-04-11 257. Binary Tree Paths
2017-04-10 110. Balanced Binary Tree
2017-04-07 434. Number of Segments in a String
2017-04-06 541. Reverse String II
2017-04-05 118. Pascal's Triangle
2017-03-31 67. Add Binary
2017-03-30 66. Plus One
2017-03-23 101. Symmetric Tree
2017-03-21 367. Valid Perfect Square
2017-03-21 27. Remove Element
2017-03-20 543. Diameter of Binary Tree
2017-03-16 345. Reverse Vowels of a String
2017-03-15 198. House Robber
2017-03-14 21. Merge Two Sorted Lists
2017-03-12 235. Lowest Common Ancestor of a Binary Search Tree
2017-03-10 107. Binary Tree Level Order Traversal II
2017-03-09 102. Binary Tree Level Order Traversal
2017-03-08 437. Path Sum III
2017-03-07 113. Path Sum II
2017-03-03 112.path sum
2017-03-01 LineageOS本地nexus 5编译烧机过程
2017-02-28 342. Power of Four
2017-02-23 263. Ugly Number
2017-02-22 70. Climbing Stairs
2017-02-20 53. Maximum Subarray
2017-02-17 35. Search Insert Position
2017-02-16 501. Find Mode in Binary Search Tree
2017-02-15 405. Convert a Number to Hexadecimal
2017-02-14 504. Base 7
2017-02-13 108.Convert Sorted Array to Binary Search Tree
2017-02-10 268. Missing Number
2017-02-09 506. Relative Ranks
2017-02-08 500. Keyboard Row
2017-02-07 496. Next Greater Element I
2017-02-06 122. Best Time to Buy and Sell Stock II
2017-02-04 167. Two Sum II - Input array is sorted
2017-01-22 492. Construct the Rectangle
2017-01-17 485. Max Consecutive Ones
2017-01-13 121. Best Time to Buy and Sell Stock
2017-01-12 202. Happy Number
2017-01-11 231. Power of Two
2017-01-10 476. Number Complement
2017-01-09 326. Power of Three
2017-01-04 459. Repeated Substring Pattern
2017-01-03 448. Find All Numbers Disappeared in an Array
2016-12-30 461. Hamming Distance
2016-12-12 415. Add Strings
2016-12-08 13. Roman to Integer
2016-12-07 401. Binary Watch
2016-12-05 350. Intersection of Two Arrays II
2016-12-02 409. Longest Palindrome
2016-12-01 387. First Unique Character in a String
2016-11-30 100. Same Tree
2016-11-29 349. Intersection of Two Arrays
2016-11-28 226. Invert Binary Tree
2016-11-26 404. Sum of Left Leaves
2016-11-22 453. Minimum Moves to Equal Array Elements
2016-11-21 463. Island Perimeter
2016-11-19 383. Ransom Note
2016-11-17 455.Assign Cookies
2016-11-10 88 Merge Sorted Array
2016-10-31 reverse string
2016-10-31 292 Nim Game
2016-10-31 FIZZBUZZ