| 1 |
Add Edges to Make Degrees of All Nodes Even |
| 2 |
Alien Dictionary |
| 3 |
Basic Calculator III |
| 4 |
Basic Calculator |
| 5 |
Best Time to Buy and Sell Stock IV |
| 6 |
Binary Tree Cameras |
| 7 |
Binary Tree Maximum Path Sum |
| 8 |
Candy |
| 9 |
Checking Existence of Edge Length Limited Paths |
| 10 |
Closest Binary Search Tree Values II |
| 11 |
Concatenated Words |
| 12 |
Construct Target Array With Multiple Sums |
| 13 |
Count Subarrays With Fixed Bounds |
| 14 |
Count Vowels Permutation |
| 15 |
Count of Smaller Numbers After Self |
| 16 |
Course Schedule III |
| 17 |
Critical Connections in a Network |
| 18 |
Cut Off Trees for Golf Event |
| 19 |
Design In-Memory File System |
| 20 |
Design Movie Rental System |
| 21 |
Design Search Autocomplete System |
| 22 |
Design Skiplist |
| 23 |
Dice Roll Simulation |
| 24 |
Divide Array Into Increasing Sequences |
| 25 |
Edit Distance |
| 26 |
Employee Free Time |
| 27 |
Expression Add Operators |
| 28 |
Find Median from Data Stream |
| 29 |
Find Minimum in Rotated Sorted Array II |
| 30 |
Find the Kth Smallest Sum of a Matrix With Sorted Rows |
| 31 |
First Missing Positive |
| 32 |
Frog Jump |
| 33 |
IPO |
| 34 |
Insert Delete GetRandom O(1) - Duplicates Allowed |
| 35 |
Integer to English Words |
| 36 |
Jump Game IV |
| 37 |
K Empty Slots |
| 38 |
K Inverse Pairs Array |
| 39 |
Kth Smallest Number in Multiplication Table |
| 40 |
LFU Cache |
| 41 |
Largest Color Value in a Directed Graph |
| 42 |
Largest Rectangle in Histogram |
| 43 |
Longest Cycle in a Graph |
| 44 |
Longest Increasing Path in a Matrix |
| 45 |
Longest Palindrome Product |
| 46 |
Longest Valid Parentheses |
| 47 |
Max Points on a Line |
| 48 |
Max Stack |
| 49 |
Maximum Frequency Stack |
| 50 |
Maximum Number of Non-Overlapping Substrings |
| 51 |
Maximum Performance of a Team |
| 52 |
Maximum Profit in Job Scheduling |
| 53 |
Maximum Sum BST in Binary Tree |
| 54 |
Maximum Value of K Coins From Piles |
| 55 |
Median of Two Sorted Arrays |
| 56 |
Merge K Sorted Lists |
| 57 |
Minimize Deviation in Array |
| 58 |
Minimum Cost to Hire K Workers |
| 59 |
Minimum Difficulty of a Job Schedule |
| 60 |
Minimum Insertion Steps to Make a String Palindrome |
| 61 |
Minimum Number of Refueling Stops |
| 62 |
Minimum Window Subsequence |
| 63 |
Minimum Window Substring |
| 64 |
My Calendar III |
| 65 |
N-Queens II |
| 66 |
N-Queens |
| 67 |
Naming a Company |
| 68 |
Number of Paths with Max Score |
| 69 |
Number of Squareful Arrays |
| 70 |
Number of Submatrices That Sum to Target |
| 71 |
Number of Valid Subarrays |
| 72 |
Number of Ways of Cutting a Pizza |
| 73 |
Number of Ways to Form a Target String Given a Dictionary |
| 74 |
Odd Even Jump |
| 75 |
Optimal Account Balancing |
| 76 |
Paint House III |
| 77 |
Palindrome Pairs |
| 78 |
Parsing A Boolean Expression |
| 79 |
Perfect Rectangle |
| 80 |
Poor Pigs |
| 81 |
Prefix and Suffix Search |
| 82 |
Profitable Schemes |
| 83 |
Reconstruct Itinerary |
| 84 |
Recover a Tree From Preorder Traversal |
| 85 |
Reducing Dishes |
| 86 |
Remove Invalid Parentheses |
| 87 |
Restore The Array |
| 88 |
Reverse Nodes in k-Group |
| 89 |
Robot Room Cleaner |
| 90 |
Scramble String |
| 91 |
Serialize and Deserialize N-ary Tree |
| 92 |
Serialize and Deserialize a Binary Tree |
| 93 |
Shortest Distance from All Buildings |
| 94 |
Similar String Groups |
| 95 |
Sliding Window Maximum |
| 96 |
Sliding Window Median |
| 97 |
Stamping The Sequence |
| 98 |
Stream of Characters |
| 99 |
String Compression II |
| 100 |
Subarrays with K Different Integers |
| 101 |
Substring with Concatenation of All Words |
| 102 |
Text Justification |
| 103 |
The Skyline Problem |
| 104 |
Trapping Rain Water |
| 105 |
Unique Paths III |
| 106 |
Valid Number |
| 107 |
Vertical Order Traversal Of a Binary Tree |
| 108 |
Wildcard Matching |
| 109 |
Word Break II |
| 110 |
Word Search II |