zzkzzk1996 / leetforwork

LeetForWork

Bit Manipulation

Day01

• 389 Find the Difference
• 136 Single Number
• 268 Missing Number
• 191 Number of 1 Bits
• 318 Maximum Product of Word Lengths
• 190 Reverse Bits
• 78 Subsets

Day02

• 393 UTF-8 Validation
• 201 Bitwise AND of Numbers Range
• 371 Sum of Two Integers
• 342 Power of Four
• 338 Counting Bits

Day03

• 89 Gray Code
• 137 Single Number II
• 260 Single Number III

Math

Day04

• 7 Reverse Integer

Day05

• 8 String to Integer (atoi)
• 66 Plus One
• 67 Add Binary
• 258 Add Digits

Day06

• 231 Power of Two

Day07

• 43 Multiply Strings
• 29 Divide Two Integers
• 69 Sqrt(x)
• 50 Pow(x, n)
• 367 Valid Perfect Square
• 365 Water and Jug Problem
• 204 Count Primes
• 263 Ugly Number

Day08

• 264 Ugly Number II
• 326 Power of Three
• 372 Super Pow
• 233 Number of Digit One
• 319 Bulb Switcher
• 292 Nim Game
• 202 Happy Number
• 400 Nth Digit
• 306 Additive Number
• 172 Factorial Trailing Zeroes
• 343 Integer Break

Day09

• 396 Rotate Function
• 390 Elimination Game
• 386 Lexicographical Numbers
• 357 Count Numbers with Unique Digits
• 360 Sort Transformed Array
• 397 Integer Replacement
• 368 Largest Divisible Subset

Array & Sorting

Day10

• 27 Remove Element 数组操作
• 26 Remove Duplicates from Sorted Array 数组操作
• 80 Remove Duplicates from Sorted Array II 数组操作
• 57 Insert Interval 区间问题
• 56 Merge Intervals 区间问题

Day11

• 252 Meeting Rooms
• 253 Meeting Rooms II
• 228 Summary Ranges 扫描线**
• 163 Missing Ranges 扫描线**
• 53 Maximum Subarray 子数组

Day12

• 325 Maximum Size Subarray Sum Equals k 子数组
• 209 Minimum Size Subarray Sum 子数组
• 238 Product of Array Except Self 子数组

Day13

• 152 Maximum Product Subarray 子数组
• 11 Container With Most Water
• 48 Rotate Image
• 54 Spiral Matrix
• 59 Spiral Matrix II

Day14

• 75 Sort Colors
• 283 Move Zeroes
• 215 Kth Largest Element in an Array （多种）
• 287 Find the Duplicate Number

Day15

• 334 Increasing Triplet Subsequence
• 300 Longest Increasing Subsequence
• 88 Merge Sorted Array
• 387 First Unique Character in a String
• 164 Maximum Gap 桶排序
• 347 Top K Frequent Elements （多种）

Day16

• 243 Shortest Word Distance
• 244 Shortest Word Distance II hashmap
• 245 Shortest Word Distance III
• 73 Set Matrix Zeroes 

Day17

• 189 Rotate Array 交换
• 280 Wiggle Sort 交换
• 376 Wiggle Subsequence
• 274 H-Index
• 229 Majority Element II
• 277 Find the Celebrity
• 370 Range Addition
• 296 Best Meeting Point
• 169 Majority Element

Binary Search

Day18

• 278 First Bad Version
• 35 Search Insert Position
• 374 Guess Number Higher or Lower
• 34 Search for a Range