Problems have been solved: 171
| Problem | Cpp | Java | JS | Python | Go | Kotlin |
|---|---|---|---|---|---|---|
| 0001. Two Sum | cpp | java | js | py | go | kt |
| 0003. Longest Substring Without Repeating Characters | go | kt | ||||
| 0004. Median of Two Sorted Arrays | kt | |||||
| 0005. Longest Palindromic Substring | cpp | java | kt | |||
| 0006. ZigZag Conversion | java | kt | ||||
| 0007. Reverse Integer | kt | |||||
| 0009. Palindrome Number | kt | |||||
| 0012. Integer to Roman | kt | |||||
| 0013. Roman to Integer | kt | |||||
| 0017. Letter Combinations of a Phone Number | kt | |||||
| 0020. Valid Parentheses | cpp | kt | ||||
| 0022. Generate Parentheses | cpp | |||||
| 0024. Swap Nodes in Pairs | cpp | java | ||||
| 0026. Remove Duplicates from Sorted Array | kt | |||||
| 0027. Remove Element | cpp | kt | ||||
| 0034. Search for a Range | kt | |||||
| 0035. Search Insert Position | kt | |||||
| 0046. Permutations | kt | |||||
| 0047. Permutations II | kt | |||||
| 0050. Pow(x, n) | kt | |||||
| 0051. N Queens | kt | |||||
| 0058. Length of Last Word | cpp | kt | ||||
| 0064. Minimum Path Sum | kt | |||||
| 0066. Plus One | cpp | py | ||||
| 0067. Add Binary | kt | |||||
| 0069. Sqrt(x) | kt | |||||
| 0070. Climbing Stairs | kt | |||||
| 0071. Simplify Path | py | kt | ||||
| 0075. Sort Colors | java | js | py | kt | ||
| 0077. Combinations | kt | |||||
| 0079. Word Search | kt | |||||
| 0083. Remove Duplicates from Sorted List | kt | |||||
| 0088. Merge Sorted Array | kt | |||||
| 0091. Decode Ways | kt | |||||
| 0094. Binary Tree Inorder Traversal | kt | |||||
| 0098. Validate Binary Search Tree | cpp | |||||
| 0100. Same Tree | kt | |||||
| 0102. Binary Tree Level Order Traversal | cpp | kt | ||||
| 0103. Binary Tree Zigzag Level Order Traversal | kt | |||||
| 0104. Maximum Depth of Binary Tree | cpp | kt | ||||
| 0105. Construct Binary Tree from Preorder and Inorder Traversal | java | kt | ||||
| 0106. Construct Binary Tree from Inorder and Postorder Traversal | java | kt | ||||
| 0111. Minimum Depth of Binary Tree | cpp | kt | ||||
| 0112. Path Sum | kt | |||||
| 0118. Pascal's Triangle | java | py | kt | |||
| 0120. Triangle | cpp | kt | ||||
| 0121. Best Time to Buy and Sell Stock | cpp | java | js | py | go | kt |
| 0122. Best Time to Buy and Sell Stock II | kt | |||||
| 0125. Valid Palindrome | kt | |||||
| 0127. Word Ladder | java | kt | ||||
| 0128. Longest Consecutive Sequence | kt | |||||
| 0130. Surrounded Regions | kt | |||||
| 0136. Single Number | kt | |||||
| 0141. Linked List Cycle | cpp | |||||
| 0142. Linked List Cycle II | cpp | |||||
| 0144. Binary Tree Preorder Traversal | kt | |||||
| 0145. Binary Tree Postorder Traversal | kt | |||||
| 0148. Sort List | java | kt | ||||
| 0150. Evaluate Reverse Polish Notation | java | js | py | kt | ||
| 0151. Reverse Words in a String | java | |||||
| 0160. Intersection of Two Linked Lists | cpp | |||||
| 0165. Compare Version Numbers | kt | |||||
| 0167. Two Sum II - Input array is sorted | java | py | kt | |||
| 0169. Majority Element | go | |||||
| 0179. Largest Number | java | kt | ||||
| 0198. House Robber | kt | |||||
| 0199. Binary Tree Right Side View | kt | |||||
| 0200. Number of Islands | kt | |||||
| 0202. Happy Number | kt | |||||
| 0203. Remove Linked List Elements | kt | |||||
| 0204. Count Primes | kt | |||||
| 0205. Isomorphic Strings | kt | |||||
| 0206. Reverse Linked List | cpp | kt | ||||
| 0209. Minimum Size Subarray Sum | java | py | kt | |||
| 0215. Kth Largest Element in an Array | kt | |||||
| 0217. Contains Duplicate | cpp | kt | ||||
| 0219. Contains Duplicate II | kt | |||||
| 0220. Contains Duplicate III | kt | |||||
| 0225. Implement Stack using Queues | cpp | |||||
| 0226. Invert Binary Tree | kt | |||||
| 0230. Kth Smallest Element in a BST | kt | |||||
| 0231. Power of Two | kt | |||||
| 0232. Implement Queue using Stacks | cpp | |||||
| 0235. Lowest Common Ancestor of a Binary Search Tree | java | |||||
| 0241. Different Ways to Add Parentheses | kt | |||||
| 0242. Valid Anagram | kt | |||||
| 0257. Binary Tree Paths | kt | |||||
| 0258. Add Digits | kt | |||||
| 0260. Single Number III | kt | |||||
| 0263. Ugly Number | kt | |||||
| 0268. Missing Number | kt | |||||
| 0279. Perfect Squares | kt | |||||
| 0283. Move Zeroes | java | js | py | kt | ||
| 0287. Find the Duplicate Number | cpp | |||||
| 0300. Longest Increasing Subsequence | kt | |||||
| 0322. Coin Change | kt | |||||
| 0326. Power of Three | kt | |||||
| 0342. Power of Four | kt | |||||
| 0343. Integer Break | kt | |||||
| 0344. Reverse String | kt | |||||
| 0345. Reverse Vowels of a String | kt | |||||
| 0347. Top K Frequent Elements | kt | |||||
| 0349. Intersection of Two Arrays | kt | |||||
| 0350. Intersection of Two Arrays II | kt | |||||
| 0371. Sum of Two Integers | kt | |||||
| 0372. Super Pow | java | kt | ||||
| 0389. Find the Difference | cpp | kt | ||||
| 0392. Is Subsequence | java | kt | ||||
| 0397. Integer Replacement | kt | |||||
| 0405. Convert a Number to Hexadecimal | kt | |||||
| 0412. Fizz Buzz | kt | |||||
| 0415. Add Strings | kt | |||||
| 0416. Partition Equal Subset Sum | kt | |||||
| 0435. Non overlapping Intervals | kt | |||||
| 0437. Path Sum III | kt | |||||
| 0441. Arranging Coins | cpp | |||||
| 0447. Number of Boomeranges | kt | |||||
| 0448. Find All Numbers Disappeared in an Array | kt | |||||
| 0451. Sort Characters By Frequency | kt | |||||
| 0454. 4Sum II | kt | |||||
| 0455. Assign Cookies | kt | |||||
| 0456. 132 Pattern | kt | |||||
| 0461. Hamming Distance | kt | |||||
| 0476. Number Complement | kt | |||||
| 0496. Next Greater Element I | cpp | |||||
| 0498. Diagonal Traverse | kt | |||||
| 0500. Keyboard Row | kt | |||||
| 0504. Base 7 | kt | |||||
| 0509. Fibonacci Number | cpp | java | js | py | go | kt |
| 0513. Find Bottom Left Tree Value | cpp | kt | ||||
| 0520. Detect Capital | kt | |||||
| 0530. Minimum Absolute Difference in BST | kt | |||||
| 0537. Complex Number Multiplication | java | |||||
| 0540. Single Element in a Sorted Array | kt | |||||
| 0541. Reverse String II | kt | |||||
| 0543. Diameter of Binary Tree | go | |||||
| 0547. Friend Circles | cpp | java | kt | |||
| 0561. Array Partition I | kt | |||||
| 0566. Reshpae the Matrix | kt | |||||
| 0567. Permutation in String | kt | |||||
| 0572. Subtree of Another Tree | kt | |||||
| 0592. Fraction Addition and Subtraction | kt | |||||
| 0611. Valid Triangle Number | kt | |||||
| 0643. Maximum Average Subarray I | kt | |||||
| 0648. Replace Words | kt | |||||
| 0665. Non-decreasing Array | kt | |||||
| 0684. Redundant Connection | cpp | java | py | kt | ||
| 0693. Binary Number with Alternating Bits | kt | |||||
| 0698. Partition to K Equal Sum Subsets | kt | |||||
| 0721. Accounts Merge | java | kt | ||||
| 0728. Self Dividing Numbers | kt | |||||
| 0733. Flood Fill | kt | |||||
| 0738. Monotone Increasing Digits | kt | |||||
| 0745. Prefix and Suffix Search | kt | |||||
| 0747. Largest Number At Least Twice of Others | kt | |||||
| 0760. Find Anagram Mappings | kt | |||||
| 0762. Prime Number of Set Bits in Binary Representation | kt | |||||
| 0771. Jewels and Stones | kt | |||||
| 0780. Reaching Points | kt | |||||
| 0783. Minimum Distance Between BST Nodes | kt | |||||
| 0784. Letter Case Permutation | kt | |||||
| 0788. Rotated Digits | kt | |||||
| 0789. Escape The Ghosts | kt | |||||
| 0791. Custom Sort String | kt | |||||
| 0796. Rotate String | kt | |||||
| 0797. All Paths From Source to Target | kt | |||||
| 0824. Goat Latin | cpp | |||||
| 0860. Lemonade Change | cpp | |||||
| 0872. Leaf-Similar Trees | cpp | |||||
| 0961. N-Repeated Element in Size 2N Array | cpp | |||||
| 1103. Distribute Candies to People | cpp | java |
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