README ¶ leetcode-go Other Languages leetcode-java Solutions LeetCode #1 Two Sum LeetCode #2: Add Two Numbers LeetCode #3: Longest Substring Without Repeating Characters LeetCode #4: Median of Two Sorted Arrays LeetCode #5: Longest Palindromic Substring LeetCode #8: String to Integer (atoi) LeetCode #9: Palindrome Number LeetCode #11: Container With Most Water LeetCode #13: Roman to Integer LeetCode #14: Longest Common Prefix LeetCode #20: Valid Parentheses LeetCode #21: Merge Two Sorted Lists LeetCode #22: Generate Parentheses LeetCode #23: Merge k Sorted Lists LeetCode #36: Valid Sudoku LeetCode #37. Sudoku Solver LeetCode #42: Trapping Rain Water LeetCode #46: Permutations LeetCode #71: Simplify Path LeetCode #98: Validate Binary Search Tree LeetCode #101: Symmetric Tree LeetCode #128: Longest Consecutive Sequence LeetCode #150: Evaluate Reverse Polish Notation LeetCode #205: Isomorphic Strings LeetCode #208: Implement Trie (Prefix Tree) LeetCode #232: Implement Queue using Stacks LeetCode #242: Valid Anagram LeetCode #258: Add Digits LeetCode #284: Peeking Iterator LeetCode #287: Find the Duplicate Number LeetCode #303: Range Sum Query - Immutable LeetCode #304: Range Sum Query 2D - Immutable LeetCode #344: Reverse String LeetCode #345: Reverse Vowels of a String LeetCode #355: Design Twitter LeetCode #502: IPO LeetCode #509: Fibonacci Number LeetCode #958: Check Completeness of a Binary Tree LeetCode #1122: Relative Sort Array LeetCode #1146: Snapshot Array LeetCode #1572: Matrix Diagonal Sum LeetCode #1603. Design Parking System LeetCode #2108: Find First Palindromic String in the Array LeetCode #2133: Check if Every Row and Column Contains All Numbers LeetCode #2283: Check if Number Has Equal Digit Count and Digit Value LeetCode #2309: Greatest English Letter in Upper and Lower Case LeetCode #2319: Check if Matrix Is X-Matrix LeetCode #2336: Smallest Number in Infinite Set LeetCode #2404: Most Frequent Even Element LeetCode #3005: Count Elements With Maximum Frequency Expand ▾ Collapse ▴ Directories ¶ Show internal Expand all Path Synopsis pkg common common/collections lc0001 lc0002 lc0003 lc0004 lc0005 lc0008 lc0009 lc0011 lc0013 lc0014 lc0020 lc0021 lc0022 lc0023 lc0036 lc0037 lc0041 lc0042 lc0046 lc0055 lc0064 lc0070 lc0071 lc0076 lc0098 lc0101 lc0128 lc0146 lc0150 lc0199 lc0203 lc0205 lc0208 lc0232 lc0242 lc0258 lc0284 lc0287 lc0295 lc0303 lc0304 lc0344 lc0345 lc0347 lc0355 lc0502 lc0509 lc0560 lc0572 lc0900 lc0919 lc0958 lc1122 lc1137 lc1146 lc1572 lc1603 lc2108 lc2116 lc2133 lc2259 lc2283 lc2309 lc2319 lc2336 lc2404 lc3005 Click to show internal directories. Click to hide internal directories.