Total:
99
Easy:69
Medium:26
Hard:0
- 🟩 Easy - 1. Two Sum
- 🟧 Medium - 2. Add Two Numbers
- 🟧 Medium - 7. Reverse Integer
- 🟩 Easy - 9. Palindrome Number
- 🟧 Medium - 11. Container With Most Water
- 🟧 Medium - 12. Integer to Roman
- 🟩 Easy - 13. Roman to Integer
- 🟩 Easy - 14. Longest Common Prefix
- 🟧 Medium - 15. 3Sum
- 🟩 Easy - 21. Merge Two Sorted Lists
- 🟩 Easy - 26. Remove Duplicates from Sorted Array
- 🟩 Easy - 27. Remove Element
- 🟩 Easy - 28. Find the Index of the First Occurrence in a String
- 🟧 Medium - 34. Find First and Last Position of Element in Sorted Array
- 🟩 Easy - 35. Search Insert Position
- 🟧 Medium - 43. Multiply Strings
- 🟧 Medium - 49. Group Anagrams
- 🟧 Medium - 50. Pow(x, n)
- 🟧 Medium - 54. Spiral Matrix
- 🟩 Easy - 58. Length of Last Word
- 🟩 Easy - 66. Plus One
- 🟩 Easy - 67. Add Binary
- 🟩 Easy - 69. Sqrt(x)
- 🟧 Medium - 73. Set Matrix Zeroes
- 🟧 Medium - 75. Sort Colors
- 🟩 Easy - 88. Merge Sorted Array
- 🟩 Easy - 104. Maximum Depth of Binary Tree
- 🟩 Easy - 121. Best Time to Buy and Sell Stock
- 🟧 Medium - 122. Best Time to Buy and Sell Stock II
- 🟩 Easy - 136. Single Number
- 🟧 Medium - 146. LRU Cache
- 🟧 Medium - 189. Rotate Array
- 🟩 Easy - 206. Reverse Linked List
- 🟩 Easy - 217. Contains Duplicate
- 🟩 Easy - 219. Contains Duplicate II
- 🟩 Easy - 226. Invert Binary Tree
- 🟧 Medium - 238. Product of Array Except Self
- 🟩 Easy - 242. Valid Anagram
- 🟩 Easy - 268. Missing Number
- 🟩 Easy - 283. Move Zeroes
- 🟩 Easy - 350. Intersection of Two Arrays II
- 🟩 Easy - 383. Ransom Note
- 🟩 Easy - 389. Find the Difference
- 🟩 Easy - 412. Fizz Buzz
- 🟩 Easy - 414. Third Maximum Number
- 🟧 Medium - 445. Add Two Numbers II
- 🟩 Easy - 448. Find All Numbers Disappeared in an Array
- 🟩 Easy - 459. Repeated Substring Pattern
- 🟩 Easy - 485. Max Consecutive Ones
- 🟩 Easy - 509. Fibonacci Number
- 🟩 Easy - 637. Average of Levels in Binary Tree
- 🟩 Easy - 657. Robot Return to Origin
- 🟩 Easy - 682. Baseball Game
- 🟩 Easy - 704. Binary Search
- 🟩 Easy - 705. Design HashSet
- 🟩 Easy - 709. To Lower Case
- 🟩 Easy - 724. Find Pivot Index
- 🟩 Easy - 876. Middle of the Linked List
- 🟩 Easy - 860. Lemonade Change
- 🟩 Easy - 896. Monotonic Array
- 🟩 Easy - 905. Sort Array By Parity
- 🟧 Medium - 916. Word Subsets
- 🟩 Easy - 941. Valid Mountain Array
- 🟩 Easy - 976. Largest Perimeter Triangle
- 🟩 Easy - 977. Squares of a Sorted Array
- 🟧 Medium - 1041. Robot Bounded In Circle
- 🟩 Easy - 1051. Height Checker
- 🟩 Easy - 1089. Duplicate Zeros
- 🟩 Easy - 1232. Check If It Is a Straight Line
- 🟩 Easy - 1275. Find Winner on a Tic Tac Toe Game
- 🟩 Easy - 1295. Find Numbers with Even Number of Digits
- 🟩 Easy - 1299. Replace Elements with Greatest Element on Right Side
- 🟩 Easy - 1342. Number of Steps to Reduce a Number to Zero
- 🟩 Easy - 1346. Check If N and Its Double Exist
- 🟧 Medium - 1476. Subrectangle Queries
- 🟩 Easy - 1480. Running Sum of 1d Array
- 🟩 Easy - 1491. Average Salary Excluding the Minimum and Maximum Salary
- 🟩 Easy - 1502. Can Make Arithmetic Progression From Sequence
- 🟩 Easy - 1523. Count Odd Numbers in an Interval Range
- 🟩 Easy - 1572. Matrix Diagonal Sum
- 🟩 Easy - 1672. Richest Customer Wealth
- 🟩 Easy - 1752. Check if Array Is Sorted and Rotated
- 🟩 Easy - 1768. Merge Strings Alternately
- 🟧 Medium - 1769. Minimum Number of Operations to Move All Balls to Each Box
- 🟩 Easy - 1790. Check if One String Swap Can Make Strings Equal
- 🟩 Easy - 1800. Maximum Ascending Subarray Sum
- 🟩 Easy - 1822. Sign of the Product of an Array
- 🟧 Medium - 1930. Unique Length-3 Palindromic Subsequences
- 🟩 Easy - 1991. Find the Middle Index in Array
- 🟩 Easy - 2185. Counting Words With a Given Prefix
- 🟩 Easy - 2235. Add Two Integers
- 🟩 Easy - 2236. Root Equals Sum of Children
- 🟧 Medium - 2270. Number of Ways to Split Array
- 🟧 Medium - 2381. Shifting Letters II
- 🟧 Medium - 2559. Count Vowel Strings in Ranges
- 🟧 Medium - 2610. Convert an Array Into a 2D Array With Conditions
- 🟧 Medium - 2657. Find the Prefix Common Array of Two Arrays
- 🟩 Easy - 3042. Count Prefix and Suffix Pairs I
- 🟩 Easy - 3105. Longest Strictly Increasing or Strictly Decreasing Subarray
- 🟩 Easy - 3151. Special Array I
- 🟧 Medium - 3223. Minimum Length of String After Operations