Problems

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