Easy: 115 problems

• Array Partition I
• Backspace String Compare
• Base 7
• Baseball Game
• Best Time to Buy and Sell Stock
• Buddy Strings
• Calculate Money in Leetcode Bank
• Capitalize the Title
• Cells in a Range on an Excel Sheet
• Check if All A's Appears Before All B's
• Check if Array Is Sorted and Rotated
• Check if Binary String Has at Most One Segment of Ones
• Check If N and Its Double Exist
• Check if Numbers Are Ascending in a Sentence
• Check if One String Swap Can Make Strings Equal
• Check If String Is a Prefix of Array
• Check if the Sentence Is Pangram
• Consecutive Characters
• Contains Duplicate
• Convert Binary Number in a Linked List to Integer
• Count Items Matching a Rule
• Count Negative Numbers in a Sorted Matrix
• Count of Matches in Tournament
• Count the Number of Consistent Strings
• Crawler Log Folder
• Create Target Array in the Given Order
• Day of the Week
• Decompress Run-Length Encoded List
• Defanging an IP Address
• Degree of an Array
• Detect Capital
• Determine if String Halves Are Alike
• Distance Between Bus Stops
• Fibonacci Number
• Find All Numbers Disappeared in an Array
• Find Greatest Common Divisor of Array
• Find Mode in Binary Search Tree
• Find Nearest Point That Has the Same X or Y Coordinate
• Find Pivot Index
• Find the Difference
• Find the Highest Altitude
• Find Winner on a Tic Tac Toe Game
• Find Words That Can Be Formed by Characters
• First Bad Version
• Fizz Buzz
• Goal Parser Interpretation
• Greatest Common Divisor of Strings
• Guess Number Higher or Lower
• Happy Number
• Height Checker
• How Many Numbers Are Smaller Than the Current Number
• Intersection of Two Arrays
• Intersection of Two Arrays II
• Isomorphic Strings
• Largest Odd Number in String
• Latest Time by Replacing Hidden Digits
• Length of Last Word
• Linked List Cycle
• Longer Contiguous Segments of Ones than Zeros
• Longest Common Prefix
• Majority Element
• Make Two Arrays Equal by Reversing Sub-arrays
• Max Consecutive Ones
• Maximum Number of Balls in a Box
• Maximum Product of Two Elements in an Array
• Maximum Subarray
• Minimum Cost to Move Chips to The Same Position
• Minimum Difference Between Highest and Lowest of K Scores
• Minimum Time to Type Word Using Special Typewriter
• Minimum Value to Get Positive Step by Step Sum
• Monotonic Array
• Most Common Word
• N-th Tribonacci Number
• Number of Good Pairs
• Number of Students Doing Homework at a Given Time
• Rank Transform of an Array
• Reformat Date
• Reformat Phone Number
• Relative Sort Array
• Remove Duplicates from Sorted Array
• Remove Duplicates from Sorted List
• Remove Element
• Reorder Data in Log Files
• Replace All Digits with Characters
• Replace Elements with Greatest Element on Right Side
• Reshape the Matrix
• Reverse String
• Reverse String II
• Reverse Vowels of a String
• Reverse Words in a String III
• Robot Return to Origin
• Search in a Binary Search Tree
• Search Insert Position
• Second Largest Digit in a String
• Self Dividing Numbers
• Shortest Distance to a Character
• Shuffle String
• Shuffle the Array
• Single Number
• Slowest Key
• Sorting the Sentence
• Substrings of Size Three with Distinct Characters
• Subtract the Product and Sum of Digits of an Integer
• Sum of All Odd Length Subarrays
• Third Maximum Number
• Three Divisors
• To Lower Case
• Toeplitz Matrix
• Transpose Matrix
• Two Sum
• Unique Number of Occurrences
• Valid Anagram
• Word Pattern
• X of a Kind in a Deck of Cards
• XOR Operation in an Array

Medium: 5 problems

• Find All Anagrams in a String
• Maximum Number of Coins You Can Get
• Search in Rotated Sorted Array
• Shifting Letters
• Sum of Even Numbers After Queries