| 0001 |
Two Sum |
My Solution |
✅ |
| 0002 |
Add Two Numbers |
My Solution |
✅ |
| 0003 |
Longest Substring Without Repeating Characters |
My Solution |
✅ |
| 0004 |
Median of Two Sorted Arrays |
My Solution |
✅ |
| 0005 |
Longest Palindromic Substring |
My Solution |
✅ |
| 0006 |
ZigZag Conversion |
My Solution |
✅ |
| 0007 |
Reverse Integer |
My Solution |
✅ |
| 0008 |
String to Integer (atoi) |
My Solution |
✅ |
| 0009 |
Palindrome Number |
My Solution |
✅ |
| 0010 |
Regular Expression Matching |
My Solution |
✅ |
| 0011 |
Container With Most Water |
My Solution |
✅ |
| 0012 |
Integer to Roman |
My Solution |
✅ |
| 0013 |
Roman to Int |
My Solution |
✅ |
| 0014 |
Longest Common Prefix |
My Solution |
✅ |
| 0015 |
Three Sum |
My Solution |
✅ |
| 0016 |
Three Sum Closest |
My Solution |
✅ |
| 0017 |
Letter Combinations of a Phone Number |
My Solution |
✅ |
| 0018 |
Four Sum |
My Solution |
✅ |
| 0019 |
Remove Nth Node From End of List |
My Solution |
✅ |
| 0020 |
Valid Parentheses |
My Solution |
✅ |
| 0021 |
Merge Two Lists |
My Solution |
✅ |
| 0022 |
Generate Parentheses |
My Solution |
✅ |
| 0023 |
Merge k Sorted Lists |
My Solution |
✅ |
| 0024 |
Swap Nodes in Pairs |
My Solution |
✅ |
| 0025 |
Reverse Nodes in k-Group |
My Solution |
✅ |
| 0026 |
Remove Duplicates from Sorted Array |
My Solution |
✅ |
| 0027 |
Remove Element |
My Solution |
✅ |
| 0028 |
Implement strStr() |
My Solution |
✅ |
| 0030 |
Substring with Concatenation of All Words |
My Solution |
✅ |
| 0031 |
Next Permutation |
My Solution |
✅ |
| 0032 |
Longest Valid Parentheses |
My Solution |
✅ |
| 0033 |
Search in Rotated Sorted Array |
My Solution |
✅ |
| 0034 |
Find First and Last Position of Element in Sorted Array |
My Solution |
✅ |
| 0035 |
Search Insert Position |
My Solution |
✅ |
| 0036 |
Valid Sudoku |
My Solution |
✅ |
| 0037 |
Sudoku Solver |
My Solution |
✅ |
| 0038 |
Count and Say |
My Solution |
✅ |
| 0039 |
Combination Sum |
My Solution |
✅ |
| 0040 |
Combination Sum II |
My Solution |
✅ |
| 0042 |
Trapping Rain Water |
My Solution |
✅ |
| 0043 |
Multiply Strings |
My Solution |
✅ |
| 0044 |
Wildcard Matching |
My Solution |
✅ |
| 0045 |
Jump Game II |
My Solution |
✅ |
| 0046 |
Permutations |
My Solution |
✅ |
| 0047 |
Permutations II |
My Solution |
✅ |
| 0048 |
Rotate Image |
My Solution |
✅ |
| 0049 |
Group Anagrams |
My Solution |
✅ |
| 0050 |
Pow(x, n) |
My Solution |
✅ |
| 0051 |
N-Queens |
My Solution |
✅ |
| 0052 |
N-Queens II |
My Solution |
✅ |
| 0054 |
Spiral Matrix |
My Solution |
✅ |
| 0055 |
Jump Game |
My Solution |
✅ |
| 0057 |
Insert Interval |
My Solution |
✅ |
| 0058 |
Length of Last Word |
My Solution |
✅ |
| 0059 |
Spiral Matrix II |
My Solution |
✅ |
| 0062 |
Unique Paths |
My Solution |
✅ |
| 0063 |
Unique Paths II |
My Solution |
✅ |
| 0064 |
Minimum Path Sum |
My Solution |
✅ |
| 0066 |
Plus One |
My Solution |
✅ |
| 0067 |
Add Binary |
My Solution |
✅ |
| 0068 |
Text Justification |
My Solution |
✅ |
| 0069 |
Sqrt(x) |
My Solution |
✅ |
| 0070 |
Climbing Stairs |
My Solution |
✅ |
| 0071 |
Simplify Path |
My Solution |
✅ |
| 0072 |
Edit Distance |
My Solution |
✅ |
| 0074 |
Search a 2D Matrix |
My Solution |
✅ |
| 0076 |
Minimum Window Substring |
My Solution |
✅ |
| 0077 |
Combinations |
My Solution |
✅ |
| 0079 |
Word Search |
My Solution |
✅ |
| 0081 |
Search in Rotated Sorted Array II |
My Solution |
✅ |
| 0083 |
Remove Duplicates from Sorted List |
My Solution |
✅ |
| 0086 |
Partition List |
My Solution |
✅ |
| 0087 |
Scramble String |
My Solution |
✅ |
| 0088 |
Merge Sorted Array |
My Solution |
✅ |
| 0091 |
Decode Ways |
My Solution |
✅ |
| 0092 |
Reverse Linked List II |
My Solution |
✅ |
| 0093 |
Restore IP Addresses |
My Solution |
✅ |
| 0094 |
Binary Tree Inorder Traversal |
My Solution |
✅ |
| 0095 |
Unique Binary Search Trees II |
My Solution |
✅ |
| 0097 |
Interleaving String |
My Solution |
✅ |
| 0098 |
Validate Binary Search Tree |
My Solution |
✅ |
| 0100 |
Same Tree |
My Solution |
✅ |
| 0101 |
Symmetric Tree |
My Solution |
✅ |
| 0102 |
Binary Tree Level Order Traversal |
My Solution |
✅ |
| 0103 |
Binary Tree Zigzag Level Order Traversal |
My Solution |
✅ |
| 0104 |
Maximum Depth of Binary Tree |
My Solution |
✅ |
| 0105 |
Construct Binary Tree from Preorder and Inorder Traversal |
My Solution |
✅ |
| 0106 |
Construct Binary Tree from Inorder and Postorder Traversal |
My Solution |
✅ |
| 0108 |
Convert Sorted Array to Binary Search Tree |
My Solution |
✅ |
| 0109 |
Convert Sorted List to Binary Search Tree |
My Solution |
✅ |
| 0110 |
Balanced Binary Tree |
My Solution |
✅ |
| 0111 |
Minimum Depth of Binary Tree |
My Solution |
✅ |
| 0112 |
Path Sum |
My Solution |
✅ |
| 0113 |
Path Sum II |
My Solution |
✅ |
| 0114 |
Flatten Binary Tree to Linked List |
My Solution |
✅ |
| 0116 |
Populating Next Right Pointers in Each Node |
My Solution |
✅ |
| 0117 |
Populating Next Right Pointers in Each Node II |
My Solution |
✅ |
| 0118 |
Pascal's Triangle |
My Solution |
✅ |
| 0119 |
Pascal's Triangle II |
My Solution |
✅ |
| 0120 |
Triangle |
My Solution |
✅ |
| 0121 |
Best Time to Buy and Sell Stock |
My Solution |
✅ |
| 0122 |
Best Time to Buy and Sell Stock II |
My Solution |
✅ |
| 0123 |
Best Time to Buy and Sell Stock III |
My Solution |
✅ |
| 0124 |
Binary Tree Maximum Path Sum |
My Solution |
✅ |
| 0125 |
Valid Palindrome |
My Solution |
✅ |
| 0126 |
Word Ladder II |
My Solution |
✅ |
| 0128 |
Longest Consecutive Sequence |
My Solution |
✅ |
| 0129 |
Sum Root to Leaf Numbers |
My Solution |
✅ |
| 0131 |
Palindrome Partitioning |
My Solution |
✅ |
| 0133 |
Clone Graph |
My Solution |
✅ |
| 0135 |
Candy |
My Solution |
✅ |
| 0137 |
Single Number II |
My Solution |
✅ |
| 0138 |
Gas Station |
My Solution |
✅ |
| 0139 |
Word Break |
My Solution |
✅ |
| 0141 |
Linked List Cycle |
My Solution |
✅ |
| 0142 |
Linked List Cycle II |
My Solution |
✅ |
| 0144 |
Binary Tree Preorder Traversal |
My Solution |
✅ |
| 0146 |
LRU Cache |
My Solution |
✅ |
| 0148 |
Sort List |
My Solution |
✅ |
| 0149 |
Max Points on a Line |
My Solution |
✅ |
| 0150 |
Evaluate Reverse Polish Notation |
My Solution |
✅ |
| 0151 |
Reverse Words in a String |
My Solution |
✅ |
| 0160 |
Intersection of Two Linked Lists |
My Solution |
✅ |
| 0167 |
Two Sum II - Input Array Is Sorted |
My Solution |
✅ |
| 0168 |
Excel Sheet Column Title |
My Solution |
✅ |
| 0188 |
Best Time to Buy and Sell Stock IV |
My Solution |
✅ |
| 0189 |
Rotate Array |
My Solution |
✅ |
| 0198 |
House Robber |
My Solution |
✅ |
| 0199 |
Binary Tree Right Side View |
My Solution |
✅ |
| 0200 |
Number of Islands |
My Solution |
✅ |
| 0202 |
Happy Number |
My Solution |
✅ |
| 0205 |
Isomorphic Strings |
My Solution |
✅ |
| 0206 |
Reverse Linked List |
My Solution |
✅ |
| 0207 |
Course Schedule |
My Solution |
✅ |
| 0208 |
Implement Trie (Prefix Tree) |
My Solution |
✅ |
| 0209 |
Minimum Size Subarray Sum |
My Solution |
✅ |
| 0211 |
Design Add and Search Words Data Structure |
My Solution |
✅ |
| 0212 |
Word Search II |
My Solution |
✅ |
| 0213 |
House Robber II |
My Solution |
✅ |
| 0215 |
Kth Largest Element in an Array |
My Solution |
✅ |
| 0218 |
The Skyline Problem |
My Solution |
✅ |
| 0219 |
Contains Duplicate II |
My Solution |
✅ |
| 0221 |
Maximal Square |
My Solution |
✅ |
| 0222 |
Count Complete Tree Nodes |
My Solution |
✅ |
| 0223 |
Rectangle Area |
My Solution |
✅ |
| 0224 |
Basic Calculator |
My Solution |
✅ |
| 0225 |
Implement Stack using Queues |
My Solution |
✅ |
| 0226 |
Invert Binary Tree |
My Solution |
✅ |
| 0228 |
Summary Ranges |
My Solution |
✅ |
| 0229 |
Majority Element II |
My Solution |
✅ |
| 0232 |
Implement Queue using Stacks |
My Solution |
✅ |
| 0234 |
Palindrome Linked List |
My Solution |
✅ |
| 0235 |
Lowest Common Ancestor of a Binary Search Tree |
My Solution |
✅ |
| 0236 |
Lowest Common Ancestor of a Binary Tree |
My Solution |
✅ |
| 0237 |
Delete Node in a Linked List |
My Solution |
✅ |
| 0239 |
Sliding Window Maximum |
My Solution |
✅ |
| 0240 |
Search a 2D Matrix II |
My Solution |
✅ |
| 0242 |
Valid Anagram |
My Solution |
✅ |
| 0258 |
Add Digits |
My Solution |
✅ |
| 0263 |
Ugly Number |
My Solution |
✅ |
| 0273 |
Integer to English Words |
My Solution |
✅ |
| 0278 |
First Bad Version |
My Solution |
✅ |
| 0279 |
Perfect Squares |
My Solution |
✅ |
| 0283 |
Move Zeros |
My Solution |
✅ |
| 0290 |
Word Pattern |
My Solution |
✅ |
| 0295 |
Find Median from Data Stream |
My Solution |
✅ |
| 0297 |
Serialize and Deserialize Binary Tree |
My Solution |
✅ |
| 0299 |
Bulls and Cows |
My Solution |
✅ |
| 0300 |
Longest Increasing Subsequence |
My Solution |
✅ |
| 0304 |
Range Sum Query 2D - Immutable |
My Solution |
✅ |
| 0307 |
Range Sum Query - Mutable |
My Solution |
✅ |
| 0309 |
Best Time to Buy and Sell Stock with Cooldown |
My Solution |
✅ |
| 0315 |
Count of Smaller Numbers After Self |
My Solution |
✅ |
| 0316 |
Remove Duplicate Letters |
My Solution |
✅ |
| 0319 |
Bulb Switcher |
My Solution |
✅ |
| 0326 |
Power of Three |
My Solution |
✅ |
| 0328 |
Odd Even Linked List |
My Solution |
✅ |
| 0329 |
Longest Increasing Path in a Matrix |
My Solution |
✅ |
| 0334 |
Increasing Triplet Subsequence |
My Solution |
✅ |
| 0336 |
Palindrome Pairs |
My Solution |
✅ |
| 0342 |
Power of Four |
My Solution |
✅ |
| 0344 |
Reverse String |
My Solution |
✅ |
| 0345 |
Reverse Vowels of a String |
My Solution |
✅ |
| 0347 |
Top K Frequent Elements |
My Solution |
✅ |
| 0349 |
Intersection of Two Arrays |
My Solution |
✅ |
| 0352 |
Data Stream as Disjoint Intervals |
My Solution |
✅ |
| 0363 |
Max Sum of Rectangle No Larger Than |
My Solution |
✅ |
| 0373 |
Find K Pairs with Smallest Sums |
My Solution |
✅ |
| 0374 |
Guess Number Higher or Lower |
My Solution |
✅ |
| 0376 |
Wiggle Subsequence |
My Solution |
✅ |
| 0377 |
Combination Sum IV |
My Solution |
✅ |
| 0378 |
Kth Smallest Element in a Sorted Matrix |
My Solution |
✅ |
| 0380 |
Insert Delete GetRandom O(1) |
My Solution |
✅ |
| 0382 |
Linked List Random Node |
My Solution |
✅ |
| 0383 |
Ransom Note |
My Solution |
✅ |
| 0387 |
First Unique Character in a String |
My Solution |
✅ |
| 0389 |
Find the Difference |
My Solution |
✅ |
| 0392 |
Is Subsequence |
My Solution |
✅ |
| 0393 |
UTF-8 Validation |
My Solution |
✅ |
| 0394 |
Decode String |
My Solution |
✅ |
| 0399 |
Evaluate Division |
My Solution |
✅ |
| 0406 |
Queue Reconstruction by Height |
My Solution |
✅ |
| 0409 |
Longest Palindrome |
My Solution |
✅ |
| 0415 |
Add Strings |
My Solution |
✅ |
| 0417 |
Pacific Atlantic Water Flow |
My Solution |
✅ |
| 0424 |
Longest Repeating Character Replacement |
My Solution |
✅ |
| 0427 |
Construct Quad Tree |
My Solution |
✅ |
| 0429 |
N-ary Tree Level Order Traversal |
My Solution |
✅ |
| 0433 |
Minimum Genetic Mutation |
My Solution |
✅ |
| 0435 |
Non-overlapping Intervals |
My Solution |
✅ |
| 0438 |
Find All Anagrams in a String |
My Solution |
✅ |
| 0443 |
String Compression |
My Solution |
✅ |
| 0445 |
Add Two Numbers II |
My Solution |
✅ |
| 0446 |
Arithmetic Slices II - Subsequence |
My Solution |
✅ |
| 0451 |
Sort Characters By Frequency |
My Solution |
✅ |
| 0452 |
Minimum Number of Arrows to Burst Balloons |
My Solution |
✅ |
| 0456 |
132 Pattern |
My Solution |
✅ |
| 0458 |
Poor Pigs |
My Solution |
✅ |
| 0459 |
Repeated Substring Pattern |
My Solution |
✅ |
| 0460 |
LFU Cache |
My Solution |
✅ |
| 0461 |
Hamming Distance |
My Solution |
✅ |
| 0462 |
Minimum Moves to Equal Array Elements II |
My Solution |
✅ |
| 0472 |
Concatenated Words |
My Solution |
✅ |
| 0473 |
Matchsticks to Square |
My Solution |
✅ |
| 0476 |
Number Complement |
My Solution |
✅ |
| 0486 |
Predict the Winner |
My Solution |
✅ |
| 0491 |
Non-decreasing Subsequences |
My Solution |
✅ |
| 0501 |
Find Mode in Binary Search Tree |
My Solution |
✅ |
| 0502 |
IPO |
My Solution |
✅ |
| 0508 |
Most Frequent Subtree Sum |
My Solution |
✅ |
| 0509 |
Fibonacci Number |
My Solution |
✅ |
| 0515 |
Find Largest Value in Each Tree Row |
My Solution |
✅ |
| 0516 |
Longest Palindromic Subsequence |
My Solution |
✅ |
| 0520 |
Detect Capital |
My Solution |
✅ |
| 0521 |
Longest Uncommon Subsequence I |
My Solution |
✅ |
| 0523 |
Continuous Subarray Sum |
My Solution |
✅ |
| 0530 |
Minimum Absolute Difference in BST |
My Solution |
✅ |
| 0538 |
Convert BST to Greater Tree |
My Solution |
✅ |
| 0539 |
Minimum Time Difference |
My Solution |
✅ |
| 0540 |
Single Element in a Sorted Array |
My Solution |
✅ |
| 0542 |
01 Matrix |
My Solution |
✅ |
| 0543 |
Diameter of Binary Tree |
My Solution |
✅ |
| 0547 |
Number of Provinces |
My Solution |
✅ |
| 0557 |
Reverse Words in a String III |
My Solution |
✅ |
| 0559 |
Maximum Depth of N-ary Tree |
My Solution |
✅ |
| 0566 |
Reshape the Matrix |
My Solution |
✅ |
| 0567 |
Permutation in String |
My Solution |
✅ |
| 0572 |
Subtree of Another Tree |
My Solution |
✅ |
| 0576 |
Out of Boundary Paths |
My Solution |
✅ |
| 0583 |
Delete Operation for Two Strings |
My Solution |
✅ |
| 0587 |
Erect the Fence |
My Solution |
✅ |
| 0589 |
N-ary Tree Preorder Traversal |
My Solution |
✅ |
| 0605 |
Can Place Flowers |
My Solution |
✅ |
| 0606 |
Construct String from Binary Tree |
My Solution |
✅ |
| 0609 |
Find Duplicate File in System |
My Solution |
✅ |
| 0617 |
Merge Two Binary Trees |
My Solution |
✅ |
| 0622 |
Design Circular Queue |
My Solution |
✅ |
| 0623 |
Add One Row to Tree |
My Solution |
✅ |
| 0630 |
Course Schedule III |
My Solution |
✅ |
| 0637 |
Average of Levels in Binary Tree |
My Solution |
✅ |
| 0645 |
Set Mismatch |
My Solution |
✅ |
| 0646 |
Maximum Length of Pair Chain |
My Solution |
✅ |
| 0649 |
Dota2 Senate |
My Solution |
✅ |
| 0652 |
Find Duplicate Subtrees |
My Solution |
✅ |
| 0653 |
Two Sum IV - Input is a BST |
My Solution |
✅ |
| 0658 |
Find K Closest Elements |
My Solution |
✅ |
| 0659 |
Split Array into Consecutive Subsequences |
My Solution |
✅ |
| 0662 |
Maximum Width of Binary Tree |
My Solution |
✅ |
| 0664 |
Strange Printer |
My Solution |
✅ |
| 0665 |
Non-decreasing Array |
My Solution |
✅ |
| 0671 |
Second Minimum Node In a Binary Tree |
My Solution |
✅ |
| 0673 |
Number of Longest Increasing Subsequence |
My Solution |
✅ |
| 0688 |
Knight Probability in Chessboard |
My Solution |
✅ |
| 0692 |
Top K Frequent Words |
My Solution |
✅ |
| 0695 |
Max Area of Island |
My Solution |
✅ |
| 0703 |
Kth Largest Element in a Stream |
My Solution |
✅ |
| 0704 |
Binary Search |
My Solution |
✅ |
| 0705 |
Design HashSet |
My Solution |
✅ |
| 0706 |
Design HashMap |
My Solution |
✅ |
| 0709 |
To Lower Case |
My Solution |
✅ |
| 0712 |
Minimum ASCII Delete Sum for Two Strings |
My Solution |
✅ |
| 0714 |
Best Time to Buy and Sell Stock with Transaction Fee |
My Solution |
✅ |
| 0718 |
Maximum Length of Repeated Subarray |
My Solution |
✅ |
| 0724 |
Find Pivot Index |
My Solution |
✅ |
| 0729 |
My Calendar I |
My Solution |
✅ |
| 0731 |
My Calendar II |
My Solution |
✅ |
| 0732 |
My Calendar III |
My Solution |
✅ |
| 0733 |
Flood Fill |
My Solution |
✅ |
| 0735 |
Asteroid Collision |
My Solution |
✅ |
| 0739 |
Daily Temperatures |
My Solution |
✅ |
| 0740 |
Delete and Earn |
My Solution |
✅ |
| 0743 |
Network Delay Time |
My Solution |
✅ |
| 0744 |
Find Smallest Letter Greater Than Target |
My Solution |
✅ |
| 0745 |
Prefix and Suffix Search |
My Solution |
✅ |
| 0746 |
Min Cost Climbing Stairs |
My Solution |
✅ |
| 0766 |
Toeplitz Matrix |
My Solution |
✅ |
| 0767 |
Reorganize String |
My Solution |
✅ |
| 0779 |
K-th Symbol in Grammar |
My Solution |
✅ |
| 0783 |
Minimum Distance Between BST Nodes |
My Solution |
✅ |
| 0785 |
Is Graph Bipartite? |
My Solution |
✅ |
| 0787 |
Cheapest Flights Within K Stops |
My Solution |
✅ |
| 0790 |
Domino and Tromino Tiling |
My Solution |
✅ |
| 0792 |
Number of Matching Subsequences |
My Solution |
✅ |
| 0797 |
All Paths From Source to Target |
My Solution |
✅ |
| 0799 |
Champagne Tower |
My Solution |
✅ |
| 0802 |
Find Eventual Safe States |
My Solution |
✅ |
| 0804 |
Unique Morse Code Words |
My Solution |
✅ |
| 0808 |
Soup Servings |
My Solution |
✅ |
| 0814 |
Binary Tree Pruning |
My Solution |
✅ |
| 0815 |
Bus Routes |
My Solution |
✅ |
| 0820 |
Short Encoding of Words |
My Solution |
✅ |
| 0823 |
Binary Trees With Factors |
My Solution |
✅ |
| 0834 |
Sum of Distances in Tree |
My Solution |
✅ |
| 0835 |
Image Overlap |
My Solution |
✅ |
| 0837 |
New 21 Game |
My Solution |
✅ |
| 0838 |
Push Dominoes |
My Solution |
✅ |
| 0839 |
Similar String Groups |
My Solution |
✅ |
| 0841 |
Keys and Rooms |
My Solution |
✅ |
| 0844 |
Backspace String Compare |
My Solution |
✅ |
| 0848 |
Shifting Letters |
My Solution |
✅ |
| 0852 |
Peak Index in a Mountain Array |
My Solution |
✅ |
| 0858 |
Mirror Reflection |
My Solution |
✅ |
| 0859 |
Buddy Strings |
My Solution |
✅ |
| 0863 |
All Nodes Distance K in Binary Tree |
My Solution |
✅ |
| 0864 |
Shortest Path to Get All Keys |
My Solution |
✅ |
| 0867 |
Transpose Matrix |
My Solution |
✅ |
| 0869 |
Reordered Power of 2 |
My Solution |
✅ |
| 0871 |
Minimum Number of Refueling Stops |
My Solution |
✅ |
| 0872 |
Leaf-Similar Trees |
My Solution |
✅ |
| 0875 |
Koko Eating Bananas |
My Solution |
✅ |
| 0876 |
Middle of the Linked List |
My Solution |
✅ |
| 0879 |
Profitable Schemes |
My Solution |
✅ |
| 0880 |
Decoded String at Index |
My Solution |
✅ |
| 0881 |
Boats to Save People |
My Solution |
✅ |
| 0885 |
Spiral Matrix III |
My Solution |
✅ |
| 0886 |
Possible Bipartition |
My Solution |
✅ |
| 0888 |
Fair Candy Swap |
My Solution |
✅ |
| 0890 |
Find and Replace Pattern |
My Solution |
✅ |
| 0894 |
All Possible Full Binary Trees |
My Solution |
✅ |
| 0899 |
Orderly Queue |
My Solution |
✅ |
| 0901 |
Online Stock Span |
My Solution |
✅ |
| 0904 |
Fruit Into Baskets |
My Solution |
✅ |
| 0907 |
Sum of Subarray Minimums |
My Solution |
✅ |
| 0909 |
Snakes and Ladders |
My Solution |
✅ |
| 0912 |
Sort an Array |
My Solution |
✅ |
| 0916 |
Word Subsets |
My Solution |
✅ |
| 0917 |
Reverse Only Letters |
My Solution |
✅ |
| 0918 |
Maximum Sum Circular Subarray |
My Solution |
✅ |
| 0920 |
Number of Music Playlists |
My Solution |
✅ |
| 0926 |
Flip String to Monotone Increasing |
My Solution |
✅ |
| 0931 |
Minimum Falling Path Sum |
My Solution |
✅ |
| 0933 |
Number of Recent Calls |
My Solution |
✅ |
| 0934 |
Shortest Bridge |
My Solution |
✅ |
| 0936 |
Stamping The Sequence |
My Solution |
✅ |
| 0938 |
Range Sum of BST |
My Solution |
✅ |
| 0944 |
Delete Columns to Make Sorted |
My Solution |
✅ |
| 0946 |
Validate Stack Sequences |
My Solution |
✅ |
| 0947 |
Most Stones Removed with Same Row or Column |
My Solution |
✅ |
| 0948 |
Bag of Tokens |
My Solution |
✅ |
| 0951 |
Flip Equivalent Binary Trees |
My Solution |
✅ |
| 0953 |
Verifying an Alien Dictionary |
My Solution |
✅ |
| 0956 |
Tallest Billboard |
My Solution |
✅ |
| 0958 |
Check Completeness of a Binary Tree |
My Solution |
✅ |
| 0967 |
Numbers With Same Consecutive Differences |
My Solution |
✅ |
| 0968 |
Binary Tree Cameras |
My Solution |
✅ |
| 0974 |
Subarray Sums Divisible by K |
My Solution |
✅ |
| 0976 |
Largest Perimeter Triangle |
My Solution |
✅ |
| 0977 |
Squares of a Sorted Array |
My Solution |
✅ |
| 0980 |
Unique Paths III |
My Solution |
✅ |
| 0981 |
Time Based Key-Value Store |
My Solution |
✅ |
| 0983 |
Minimum Cost For Tickets |
My Solution |
✅ |
| 0985 |
Sum of Even Numbers After Queries |
My Solution |
✅ |
| 0987 |
Vertical Order Traversal of a Binary Tree |
My Solution |
✅ |
| 0989 |
Add to Array-Form of Integer |
My Solution |
✅ |
| 0990 |
Satisfiability of Equality Equations |
My Solution |
✅ |
| 0994 |
Rotting Oranges |
My Solution |
✅ |
| 0997 |
Find the Town Judge |
My Solution |
✅ |
| 0999 |
Available Captures for Rook |
My Solution |
✅ |
| 1009 |
Complement of Base 10 Integer |
My Solution |
✅ |
| 1011 |
Capacity To Ship Packages Within D Days |
My Solution |
✅ |
| 1013 |
Partition Array Into Three Parts With Equal Sum |
My Solution |
✅ |
| 1020 |
Number of Enclaves |
My Solution |
✅ |
| 1026 |
Maximum Difference Between Node and Ancestor |
My Solution |
✅ |
| 1027 |
Longest Arithmetic Subsequence |
My Solution |
✅ |
| 1035 |
Uncrossed Lines |
My Solution |
✅ |
| 1038 |
Binary Search Tree to Greater Sum Tree |
My Solution |
✅ |
| 1046 |
Last Stone Weight |
My Solution |
✅ |
| 1047 |
Remove All Adjacent Duplicates In String |
My Solution |
✅ |
| 1048 |
Longest String Chain |
My Solution |
✅ |
| 1061 |
Lexicographically Smallest Equivalent String |
My Solution |
✅ |
| 1071 |
Greatest Common Divisor of Strings |
My Solution |
✅ |
| 1074 |
Number of Submatrices That Sum to Target |
My Solution |
✅ |
| 1091 |
Shortest Path in Binary Matrix |
My Solution |
✅ |
| 1095 |
Find in Mountain Array |
My Solution |
✅ |
| 1103 |
Distribute Candies to People |
My Solution |
✅ |
| 1123 |
Lowest Common Ancestor of Deepest Leaves |
My Solution |
✅ |
| 1129 |
Shortest Path with Alternating Colors |
My Solution |
✅ |
| 1137 |
N-th Tribonacci Number |
My Solution |
✅ |
| 1140 |
Stone Game II |
My Solution |
✅ |
| 1143 |
Longest Common Subsequence |
My Solution |
✅ |
| 1146 |
Snapshot Array |
My Solution |
✅ |
| 1155 |
Number of Dice Rolls With Target Sum |
My Solution |
✅ |
| 1161 |
Maximum Level Sum of a Binary Tree |
My Solution |
✅ |
| 1162 |
As Far from Land as Possible |
My Solution |
✅ |
| 1187 |
Make Array Strictly Increasing |
My Solution |
✅ |
| 1192 |
Critical Connections in a Network |
My Solution |
✅ |
| 1207 |
Unique Number of Occurrences |
My Solution |
✅ |
| 1218 |
Longest Arithmetic Subsequence of Given Difference |
My Solution |
✅ |
| 1220 |
Count Vowels Permutation |
My Solution |
✅ |
| 1125 |
Smallest Sufficient Team |
My Solution |
✅ |
| 1232 |
Check If It Is a Straight Line |
My Solution |
✅ |
| 1235 |
Maximum Profit in Job Scheduling |
My Solution |
✅ |
| 1239 |
Maximum Length of a Concatenated String with Unique Characters |
My Solution |
✅ |
| 1268 |
Search Suggestions System |
My Solution |
✅ |
| 1254 |
Number of Closed Islands |
My Solution |
✅ |
| 1293 |
Shortest Path in a Grid with Obstacles Elimination |
My Solution |
✅ |
| 1302 |
Deepest Leaves Sum |
My Solution |
✅ |
| 1305 |
All Elements in Two Binary Search Trees |
My Solution |
✅ |
| 1312 |
Minimum Insertion Steps to Make a String Palindrome |
My Solution |
✅ |
| 1318 |
Minimum Flips to Make a OR b Equal to c |
My Solution |
✅ |
| 1319 |
Number of Operations to Make Network Connected |
My Solution |
✅ |
| 1323 |
Maximum 69 Number |
My Solution |
✅ |
| 1324 |
Print Words Vertically |
My Solution |
✅ |
| 1328 |
Break a Palindrome |
My Solution |
✅ |
| 1329 |
Sort the Matrix Diagonally |
My Solution |
✅ |
| 1332 |
Remove Palindromic Subsequences |
My Solution |
✅ |
| 1333 |
Filter Restaurants by Vegan-Friendly, Price and Distance |
My Solution |
✅ |
| 1335 |
Minimum Difficulty of a Job Schedule |
My Solution |
✅ |
| 1338 |
Reduce Array Size to The Half |
My Solution |
✅ |
| 1339 |
Maximum Product of Split Binary Tree |
My Solution |
✅ |
| 1345 |
Jump Game IV |
My Solution |
✅ |
| 1351 |
Count Negative Numbers in a Sorted Matrix |
My Solution |
✅ |
| 1354 |
Construct Target Array With Multiple Sums |
My Solution |
✅ |
| 1357 |
Apply Discount Every n Orders |
My Solution |
✅ |
| 1361 |
Validate Binary Tree Nodes |
My Solution |
✅ |
| 1372 |
Longest ZigZag Path in a Binary Tree |
My Solution |
✅ |
| 1376 |
Time Needed to Inform All Employees |
My Solution |
✅ |
| 1379 |
Find a Binary Tree Node in a Clone of That Tree* |
My Solution |
✅ |
| 1383 |
Maximum Performance of a Team |
My Solution |
✅ |
| 1391 |
Check if There is a Valid Path in a Grid |
My Solution |
✅ |
| 1396 |
Design Underground System |
My Solution |
✅ |
| 1402 |
Reducing Dishes |
My Solution |
✅ |
| 1406 |
Stone Game III |
My Solution |
✅ |
| 1408 |
String Matching in an Array |
My Solution |
✅ |
| 1413 |
Minimum Value to Get Positive Step by Step Sum |
My Solution |
✅ |
| 1416 |
Restore The Array |
My Solution |
✅ |
| 1417 |
Reformat The String |
My Solution |
✅ |
| 1423 |
Maximum Points You Can Obtain from Cards |
My Solution |
✅ |
| 1431 |
Kids With the Greatest Number of Candies |
My Solution |
✅ |
| 1443 |
Minimum Time to Collect All Apples in a Tree |
My Solution |
✅ |
| 1444 |
Number of Ways of Cutting a Pizza |
My Solution |
✅ |
| 1448 |
Count Good Nodes in Binary Tree |
My Solution |
✅ |
| 1456 |
Maximum Number of Vowels in a Substring of Given Length |
My Solution |
✅ |
| 1457 |
Pseudo-Palindromic Paths in a Binary Tree |
My Solution |
✅ |
| 1465 |
Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts |
My Solution |
✅ |
| 1466 |
Reorder Routes to Make All Paths Lead to the City Zero |
My Solution |
✅ |
| 1470 |
Shuffle the Array |
My Solution |
✅ |
| 1472 |
Design Browser History |
My Solution |
✅ |
| 1480 |
Running Sum of 1d Array |
My Solution |
✅ |
| 1489 |
Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree |
My Solution |
✅ |
| 1491 |
Average Salary Excluding the Minimum and Maximum Salary |
My Solution |
✅ |
| 1493 |
Longest Subarray of 1's After Deleting One Element |
My Solution |
✅ |
| 1496 |
Path Crossing |
My Solution |
✅ |
| 1498 |
Number of Subsequences That Satisfy the Given Sum Condition |
My Solution |
✅ |
| 1502 |
Can Make Arithmetic Progression From Sequence |
My Solution |
✅ |
| 1512 |
Number of Good Pairs |
My Solution |
✅ |
| 1514 |
Path with Maximum Probability |
My Solution |
✅ |
| 1519 |
Number of Nodes in the Sub-Tree With the Same Label |
My Solution |
✅ |
| 1523 |
Count Odd Numbers in an Interval Range |
My Solution |
✅ |
| 1539 |
Kth Missing Positive Number |
My Solution |
✅ |
| 1544 |
Make The String Great |
My Solution |
✅ |
| 1547 |
Minimum Cost to Cut a Stick |
My Solution |
✅ |
| 1557 |
Minimum Number of Vertices to Reach All Nodes |
My Solution |
✅ |
| 1569 |
Number of Ways to Reorder Array to Get Same BST |
My Solution |
✅ |
| 1572 |
Matrix Diagonal Sum |
My Solution |
✅ |
| 1575 |
Count All Possible Routes |
My Solution |
✅ |
| 1578 |
Minimum Time to Make Rope Colorful |
My Solution |
✅ |
| 1579 |
Remove Max Number of Edges to Keep Graph Fully Traversable |
My Solution |
✅ |
| 1582 |
Special Positions in a Binary Matrix |
My Solution |
✅ |
| 1601 |
Maximum Number of Achievable Transfer Requests |
My Solution |
✅ |
| 1603 |
Design Parking System |
My Solution |
✅ |
| 1615 |
Maximal Network Rank |
My Solution |
✅ |
| 1626 |
Best Team With No Conflicts |
My Solution |
✅ |
| 1629 |
Slowest Key |
My Solution |
✅ |
| 1631 |
Path With Minimum Effort |
My Solution |
✅ |
| 1639 |
Number of Ways to Form a Target String Given a Dictionary |
My Solution |
✅ |
| 1642 |
Furthest Building You Can Reach |
My Solution |
✅ |
| 1647 |
Minimum Deletions to Make Character Frequencies Unique |
My Solution |
✅ |
| 1657 |
Determine if Two Strings Are Close |
My Solution |
✅ |
| 1658 |
Minimum Operations to Reduce X to Zero |
My Solution |
✅ |
| 1662 |
Check If Two String Arrays are Equivalent |
My Solution |
✅ |
| 1675 |
Minimize Deviation in Array |
My Solution |
✅ |
| 1697 |
Checking Existence of Edge Length Limited Paths |
My Solution |
✅ |
| 1680 |
Concatenation of Consecutive Binary Numbers |
My Solution |
✅ |
| 1689 |
Partitioning Into Minimum Number Of Deci-Binary Numbers |
My Solution |
✅ |
| 1695 |
Maximum Erasure Value |
My Solution |
✅ |
| 1696 |
Jump Game VI |
My Solution |
✅ |
| 1704 |
Determine if String Halves Are Alike |
My Solution |
✅ |
| 1706 |
Where Will the Ball Fall |
My Solution |
✅ |
| 1710 |
Maximum Units on a Truck |
My Solution |
✅ |
| 1721 |
Swapping Nodes in a Linked List |
My Solution |
✅ |
| 1732 |
Find the Highest Altitude |
My Solution |
✅ |
| 1743 |
Restore the Array From Adjacent Pairs |
My Solution |
✅ |
| 1751 |
Maximum Number of Events That Can Be Attended II |
My Solution |
✅ |
| 1759 |
Count Number of Homogenous Substrings |
My Solution |
✅ |
| 1768 |
Merge Strings Alternately |
My Solution |
✅ |
| 1770 |
Maximum Score from Performing Multiplication Operations |
My Solution |
✅ |
| 1799 |
Maximize Score After N Operations |
My Solution |
✅ |
| 1802 |
Maximum Value at a Given Index in a Bounded Array |
My Solution |
✅ |
| 1817 |
Finding the Users Active Minutes |
My Solution |
✅ |
| 1822 |
Sign of the Product of an Array |
My Solution |
✅ |
| 1832 |
Check if the Sentence Is Pangram |
My Solution |
✅ |
| 1833 |
Maximum Ice Cream Bars |
My Solution |
✅ |
| 1834 |
Single-Threaded CPU |
My Solution |
✅ |
| 1837 |
Sum of Digits in Base K |
My Solution |
✅ |
| 1844 |
Replace All Digits with Characters |
My Solution |
✅ |
| 1845 |
Seat Reservation Manager |
My Solution |
✅ |
| 1846 |
Maximum Element After Decreasing and Rearranging |
My Solution |
✅ |
| 1857 |
Largest Color Value in a Directed Graph |
My Solution |
✅ |
| 1870 |
Minimum Speed to Arrive on Time |
My Solution |
✅ |
| 1876 |
Substrings of Size Three with Distinct Characters |
My Solution |
✅ |
| 1921 |
Eliminate Maximum Number of Monsters |
My Solution |
✅ |
| 1926 |
Nearest Exit from Entrance in Maze |
My Solution |
✅ |
| 1962 |
Remove Stones to Minimize the Total |
My Solution |
✅ |
| 1964 |
Find the Longest Valid Obstacle Course at Each Position |
My Solution |
✅ |
| 1970 |
Last Day Where You Can Still Cross |
My Solution |
✅ |
| 1971 |
Find if Path Exists in Graph |
My Solution |
✅ |
| 1980 |
Find Unique Binary String |
My Solution |
✅ |
| 1996 |
The Number of Weak Characters in the Game |
My Solution |
✅ |
| 2000 |
Reverse Prefix of Word |
My Solution |
✅ |
| 2007 |
Find Original Array From Doubled Array |
My Solution |
✅ |
| 2017 |
Grid Game |
My Solution |
✅ |
| 2024 |
Maximize the Confusion of an Exam |
My Solution |
✅ |
| 2038 |
Remove Colored Pieces if Both Neighbors are the Same Color |
My Solution |
✅ |
| 2050 |
Parallel Courses III |
My Solution |
✅ |
| 2070 |
Most Beautiful Item for Each Query |
My Solution |
✅ |
| 2090 |
K Radius Subarray Averages |
My Solution |
✅ |
| 2095 |
Delete the Middle Node of a Linked List |
My Solution |
✅ |
| 2101 |
Detonate the Maximum Bombs |
My Solution |
✅ |
| 2129 |
Capitalize the Title |
My Solution |
✅ |
| 2130 |
Maximum Twin Sum of a Linked List |
My Solution |
✅ |
| 2131 |
Longest Palindrome by Concatenating Two Letter Words |
My Solution |
✅ |
| 2136 |
Earliest Possible Day of Full Bloom |
My Solution |
✅ |
| 2140 |
Solving Questions With Brainpower |
My Solution |
✅ |
| 2141 |
Maximum Running Time of N Computers |
My Solution |
✅ |
| 2148 |
Count Elements With Strictly Smaller and Greater Elements |
My Solution |
✅ |
| 2165 |
Smallest Value of the Rearranged Number |
My Solution |
✅ |
| 2187 |
Minimum Time to Complete Trips |
My Solution |
✅ |
| 2215 |
Find the Difference of Two Arrays |
My Solution |
✅ |
| 2218 |
Maximum Value of K Coins From Piles |
My Solution |
✅ |
| 2225 |
Find Players With Zero or One Losses |
My Solution |
✅ |
| 2244 |
Minimum Rounds to Complete All Tasks |
My Solution |
✅ |
| 2246 |
Longest Path With Different Adjacent Characters |
My Solution |
✅ |
| 2256 |
Minimum Average Difference |
My Solution |
✅ |
| 2259 |
Remove Digit From Number to Maximize Result |
My Solution |
✅ |
| 2265 |
Count Nodes Equal to Average of Subtree |
My Solution |
✅ |
| 2272 |
Substring With Largest Variance |
My Solution |
✅ |
| 2278 |
Percentage of Letter in String |
My Solution |
✅ |
| 2279 |
Maximum Bags With Full Capacity of Rocks |
My Solution |
✅ |
| 2284 |
Sender With Largest Word Count |
My Solution |
✅ |
| 2300 |
Successful Pairs of Spells and Potions |
My Solution |
✅ |
| 2305 |
Fair Distribution of Cookies |
My Solution |
✅ |
| 2306 |
Naming a Company |
My Solution |
✅ |
| 2316 |
Count Unreachable Pairs of Nodes in an Undirected Graph |
My Solution |
✅ |
| 2326 |
Spiral Matrix IV |
My Solution |
✅ |
| 2328 |
Number of Increasing Paths in a Grid |
My Solution |
✅ |
| 2331 |
Evaluate Boolean Binary Tree |
My Solution |
✅ |
| 2336 |
Smallest Number in Infinite Set |
My Solution |
✅ |
| 2348 |
Number of Zero-Filled Subarrays |
My Solution |
✅ |
| 2352 |
Equal Row and Column Pairs |
My Solution |
✅ |
| 2353 |
Design a Food Rating System |
My Solution |
✅ |
| 2359 |
Find Closest Node to Given Two Nodes |
My Solution |
✅ |
| 2360 |
Longest Cycle in a Graph |
My Solution |
✅ |
| 2366 |
Minimum Replacements to Sort the Array |
My Solution |
✅ |
| 2369 |
Check if There is a Valid Partition For The Array |
My Solution |
✅ |
| 2389 |
Longest Subsequence With Limited Sum |
My Solution |
✅ |
| 2390 |
Removing Stars From a String |
My Solution |
✅ |
| 2405 |
Optimal Partition of String |
My Solution |
✅ |
| 2413 |
Smallest Even Multiple |
My Solution |
✅ |
| 2421 |
Number of Good Paths |
My Solution |
✅ |
| 2433 |
Find The Original Array of Prefix Xor |
My Solution |
✅ |
| 2439 |
Minimize Maximum of Array |
My Solution |
✅ |
| 2444 |
Count Subarrays With Fixed Bounds |
My Solution |
✅ |
| 2448 |
Minimum Cost to Make Array Equal |
My Solution |
✅ |
| 2462 |
Total Cost to Hire K Workers |
My Solution |
✅ |
| 2466 |
Count Ways To Build Good Strings |
My Solution |
✅ |
| 2477 |
Minimum Fuel Cost to Report to the Capital |
My Solution |
✅ |
| 2483 |
Minimum Penalty for a Shop |
My Solution |
✅ |
| 2492 |
Minimum Score of a Path Between Two Cities |
My Solution |
✅ |
| 2512 |
Reward Top K Students |
My Solution |
✅ |
| 2542 |
Maximum Subsequence Score |
My Solution |
✅ |
| 2551 |
Put Marbles in Bags |
My Solution |
✅ |
| 2553 |
Separate the Digits in an Array |
My Solution |
✅ |
| 2558 |
Take Gifts From the Richest Pile |
My Solution |
✅ |
| 2562 |
Find the Array Concatenation Value |
My Solution |
✅ |
| 2605 |
Form Smallest Number From Two Digit Arrays |
My Solution |
✅ |
| 2616 |
Minimize the Maximum Difference of Pairs |
My Solution |
✅ |
| 2642 |
Design Graph With Shortest Path Calculator |
My Solution |
✅ |
| 2707 |
Extra Characters in a String |
My Solution |
✅ |
| 2785 |
Sort Vowels in a String |
My Solution |
✅ |