1 |
Two Sum
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
9 |
Palindrome Number
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
13 |
Roman to Integer
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
14 |
Longest Common Prefix
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
20 |
Valid Parentheses
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
21 |
Merge Two Sorted Lists
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
26 |
Remove Duplicates from Sorted Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
27 |
Remove Element
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
28 |
Find the Index of the First Occurrence in a String
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
35 |
Search Insert Position
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
58 |
Length of Last Word
|
✅
|
✅
|
❌
|
✅
|
✅
|
❌
|
66 |
Plus One
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
67 |
Add Binary
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
69 |
Sqrt(x)
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
70 |
Climbing Stairs
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
83 |
Remove Duplicates from Sorted List
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
88 |
Merge Sorted Array
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
94 |
Binary Tree Inorder Traversal
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
100 |
Same Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
101 |
Symmetric Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
104 |
Maximum Depth of Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
108 |
Convert Sorted Array to Binary Search Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
110 |
Balanced Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
111 |
Minimum Depth of Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
112 |
Path Sum
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
118 |
Pascal's Triangle
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
119 |
Pascal's Triangle II
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
121 |
Best Time to Buy and Sell Stock
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
125 |
Valid Palindrome
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
136 |
Single Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
141 |
Linked List Cycle
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
144 |
Binary Tree Preorder Traversal
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
145 |
Binary Tree Postorder Traversal
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
157 |
Read N Characters Given Read4
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
160 |
Intersection of Two Linked Lists
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
163 |
Missing Ranges
|
✅
|
✅
|
❌
|
✅
|
✅
|
⚠️
|
168 |
Excel Sheet Column Title
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
169 |
Majority Element
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
170 |
Two Sum III - Data structure design
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
171 |
Excel Sheet Column Number
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
190 |
Reverse Bits
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
191 |
Number of 1 Bits
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
202 |
Happy Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
203 |
Remove Linked List Elements
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
205 |
Isomorphic Strings
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
206 |
Reverse Linked List
|
✅
|
❌
|
❌
|
✅
|
✅
|
⚠️
|
217 |
Contains Duplicate
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
219 |
Contains Duplicate II
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
225 |
Implement Stack using Queues
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
226 |
Invert Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
228 |
Summary Ranges
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
231 |
Power of Two
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
232 |
Implement Queue using Stacks
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
234 |
Palindrome Linked List
|
✅
|
❌
|
⚠️
|
❌
|
❌
|
❌
|
242 |
Valid Anagram
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
243 |
Shortest Word Distance
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
246 |
Strobogrammatic Number
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
252 |
Meeting Rooms
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
257 |
Binary Tree Paths
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
258 |
Add Digits
|
✅
|
✅
|
✅
|
✅
|
❌
|
❌
|
263 |
Ugly Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
266 |
Palindrome Permutation
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
268 |
Missing Number
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
270 |
Closest Binary Search Tree Value
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
278 |
First Bad Version
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
283 |
Move Zeroes
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
290 |
Word Pattern
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
292 |
Nim Game
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
293 |
Flip Game
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
303 |
Range Sum Query - Immutable
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
326 |
Power of Three
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
338 |
Counting Bits
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
342 |
Power of Four
|
❌
|
❌
|
❌
|
✅
|
✅
|
⚠️
|
344 |
Reverse String
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
345 |
Reverse Vowels of a String
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
346 |
Moving Average from Data Stream
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
349 |
Intersection of Two Arrays
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
350 |
Intersection of Two Arrays II
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
359 |
Logger Rate Limiter
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
367 |
Valid Perfect Square
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
374 |
Guess Number Higher or Lower
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
383 |
Ransom Note
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
387 |
First Unique Character in a String
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
389 |
Find the Difference
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
392 |
Is Subsequence
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
401 |
Binary Watch
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
404 |
Sum of Left Leaves
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
405 |
Convert a Number to Hexadecimal
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
408 |
Valid Word Abbreviation
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
409 |
Longest Palindrome
|
✅
|
✅
|
❌
|
✅
|
✅
|
❌
|
412 |
Fizz Buzz
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
414 |
Third Maximum Number
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
415 |
Add Strings
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
422 |
Valid Word Square
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
434 |
Number of Segments in a String
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
441 |
Arranging Coins
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
448 |
Find All Numbers Disappeared in an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
455 |
Assign Cookies
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
459 |
Repeated Substring Pattern
|
✅
|
✅
|
⚠️
|
✅
|
❌
|
❌
|
461 |
Hamming Distance
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
463 |
Island Perimeter
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
476 |
Number Complement
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
482 |
License Key Formatting
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
485 |
Max Consecutive Ones
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
492 |
Construct the Rectangle
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
495 |
Teemo Attacking
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
496 |
Next Greater Element I
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
500 |
Keyboard Row
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
501 |
Find Mode in Binary Search Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
504 |
Base 7
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
506 |
Relative Ranks
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
507 |
Perfect Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
509 |
Fibonacci Number
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
520 |
Detect Capital
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
521 |
Longest Uncommon Subsequence I
|
✅
|
✅
|
❌
|
✅
|
❌
|
❌
|
530 |
Minimum Absolute Difference in BST
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
541 |
Reverse String II
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
543 |
Diameter of Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
551 |
Student Attendance Record I
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
557 |
Reverse Words in a String III
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
559 |
Maximum Depth of N-ary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
561 |
Array Partition
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
563 |
Binary Tree Tilt
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
566 |
Reshape the Matrix
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
572 |
Subtree of Another Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
575 |
Distribute Candies
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
589 |
N-ary Tree Preorder Traversal
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
590 |
N-ary Tree Postorder Traversal
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
594 |
Longest Harmonious Subsequence
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
598 |
Range Addition II
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
599 |
Minimum Index Sum of Two Lists
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
604 |
Design Compressed String Iterator
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
605 |
Can Place Flowers
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
606 |
Construct String from Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
617 |
Merge Two Binary Trees
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
628 |
Maximum Product of Three Numbers
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
637 |
Average of Levels in Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
643 |
Maximum Average Subarray I
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
645 |
Set Mismatch
|
✅
|
✅
|
✅
|
✅
|
✅
|
❌
|
653 |
Two Sum IV - Input is a BST
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
657 |
Robot Return to Origin
|
✅
|
✅
|
❌
|
✅
|
✅
|
❌
|
661 |
Image Smoother
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
671 |
Second Minimum Node In a Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
674 |
Longest Continuous Increasing Subsequence
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
680 |
Valid Palindrome II
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
682 |
Baseball Game
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
693 |
Binary Number with Alternating Bits
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
696 |
Count Binary Substrings
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
697 |
Degree of an Array
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
700 |
Search in a Binary Search Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
703 |
Kth Largest Element in a Stream
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
704 |
Binary Search
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
705 |
Design HashSet
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
706 |
Design HashMap
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
709 |
To Lower Case
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
717 |
1-bit and 2-bit Characters
|
❌
|
❌
|
❌
|
✅
|
✅
|
⚠️
|
724 |
Find Pivot Index
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
728 |
Self Dividing Numbers
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
733 |
Flood Fill
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
734 |
Sentence Similarity
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
744 |
Find Smallest Letter Greater Than Target
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
746 |
Min Cost Climbing Stairs
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
747 |
Largest Number At Least Twice of Others
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
748 |
Shortest Completing Word
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
760 |
Find Anagram Mappings
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
762 |
Prime Number of Set Bits in Binary Representation
|
✅
|
✅
|
❌
|
✅
|
✅
|
❌
|
766 |
Toeplitz Matrix
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
771 |
Jewels and Stones
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
783 |
Minimum Distance Between BST Nodes
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
796 |
Rotate String
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
800 |
Similar RGB Color
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
804 |
Unique Morse Code Words
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
806 |
Number of Lines To Write String
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
812 |
Largest Triangle Area
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
819 |
Most Common Word
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
821 |
Shortest Distance to a Character
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
824 |
Goat Latin
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
830 |
Positions of Large Groups
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
832 |
Flipping an Image
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
836 |
Rectangle Overlap
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
844 |
Backspace String Compare
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
859 |
Buddy Strings
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
860 |
Lemonade Change
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
867 |
Transpose Matrix
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
868 |
Binary Gap
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
872 |
Leaf-Similar Trees
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
876 |
Middle of the Linked List
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
883 |
Projection Area of 3D Shapes
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
884 |
Uncommon Words from Two Sentences
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
888 |
Fair Candy Swap
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
892 |
Surface Area of 3D Shapes
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
896 |
Monotonic Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
897 |
Increasing Order Search Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
905 |
Sort Array By Parity
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
908 |
Smallest Range I
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
914 |
X of a Kind in a Deck of Cards
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
917 |
Reverse Only Letters
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
922 |
Sort Array By Parity II
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
925 |
Long Pressed Name
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
929 |
Unique Email Addresses
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
933 |
Number of Recent Calls
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
938 |
Range Sum of BST
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
941 |
Valid Mountain Array
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
942 |
DI String Match
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
944 |
Delete Columns to Make Sorted
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
953 |
Verifying an Alien Dictionary
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
961 |
N-Repeated Element in Size 2N Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
965 |
Univalued Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
976 |
Largest Perimeter Triangle
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
977 |
Squares of a Sorted Array
|
✅
|
✅
|
✅
|
✅
|
❌
|
❌
|
989 |
Add to Array-Form of Integer
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
993 |
Cousins in Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
997 |
Find the Town Judge
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
999 |
Available Captures for Rook
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1002 |
Find Common Characters
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1005 |
Maximize Sum Of Array After K Negations
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1009 |
Complement of Base 10 Integer
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1013 |
Partition Array Into Three Parts With Equal Sum
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1018 |
Binary Prefix Divisible By 5
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1021 |
Remove Outermost Parentheses
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
1022 |
Sum of Root To Leaf Binary Numbers
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1025 |
Divisor Game
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1030 |
Matrix Cells in Distance Order
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
1037 |
Valid Boomerang
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1046 |
Last Stone Weight
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1047 |
Remove All Adjacent Duplicates In String
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1051 |
Height Checker
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1056 |
Confusing Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1064 |
Fixed Point
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1065 |
Index Pairs of a String
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1071 |
Greatest Common Divisor of Strings
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1078 |
Occurrences After Bigram
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1085 |
Sum of Digits in the Minimum Number
|
❌
|
❌
|
❌
|
✅
|
✅
|
⚠️
|
1086 |
High Five
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1089 |
Duplicate Zeros
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1099 |
Two Sum Less Than K
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1103 |
Distribute Candies to People
|
✅
|
❌
|
❌
|
✅
|
✅
|
❌
|
1108 |
Defanging an IP Address
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1118 |
Number of Days in a Month
|
✅
|
✅
|
⚠️
|
✅
|
✅
|
❌
|
1119 |
Remove Vowels from a String
|
✅
|
❌
|
❌
|
✅
|
✅
|
❌
|
1122 |
Relative Sort Array
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1128 |
Number of Equivalent Domino Pairs
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1133 |
Largest Unique Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1134 |
Armstrong Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1137 |
N-th Tribonacci Number
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1150 |
Check If a Number Is Majority Element in a Sorted Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1154 |
Day of the Year
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1160 |
Find Words That Can Be Formed by Characters
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1165 |
Single-Row Keyboard
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1175 |
Prime Arrangements
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1176 |
Diet Plan Performance
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1180 |
Count Substrings with Only One Distinct Letter
|
✅
|
✅
|
❌
|
✅
|
❌
|
❌
|
1184 |
Distance Between Bus Stops
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1185 |
Day of the Week
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1189 |
Maximum Number of Balloons
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1196 |
How Many Apples Can You Put into the Basket
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1200 |
Minimum Absolute Difference
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1207 |
Unique Number of Occurrences
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1213 |
Intersection of Three Sorted Arrays
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1217 |
Minimum Cost to Move Chips to The Same Position
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
1221 |
Split a String in Balanced Strings
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1228 |
Missing Number In Arithmetic Progression
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1232 |
Check If It Is a Straight Line
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1243 |
Array Transformation
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
1252 |
Cells with Odd Values in a Matrix
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1260 |
Shift 2D Grid
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1266 |
Minimum Time Visiting All Points
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1271 |
Hexspeak
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1275 |
Find Winner on a Tic Tac Toe Game
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1281 |
Subtract the Product and Sum of Digits of an Integer
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1287 |
Element Appearing More Than 25% In Sorted Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1290 |
Convert Binary Number in a Linked List to Integer
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1295 |
Find Numbers with Even Number of Digits
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1299 |
Replace Elements with Greatest Element on Right Side
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1304 |
Find N Unique Integers Sum up to Zero
|
✅
|
✅
|
❌
|
✅
|
❌
|
❌
|
1309 |
Decrypt String from Alphabet to Integer Mapping
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
1313 |
Decompress Run-Length Encoded List
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1317 |
Convert Integer to the Sum of Two No-Zero Integers
|
✅
|
✅
|
⚠️
|
✅
|
✅
|
⚠️
|
1323 |
Maximum 69 Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1331 |
Rank Transform of an Array
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1332 |
Remove Palindromic Subsequences
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1337 |
The K Weakest Rows in a Matrix
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1342 |
Number of Steps to Reduce a Number to Zero
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1346 |
Check If N and Its Double Exist
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
1351 |
Count Negative Numbers in a Sorted Matrix
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1356 |
Sort Integers by The Number of 1 Bits
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1360 |
Number of Days Between Two Dates
|
✅
|
✅
|
⚠️
|
✅
|
❌
|
❌
|
1365 |
How Many Numbers Are Smaller Than the Current Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1370 |
Increasing Decreasing String
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1374 |
Generate a String With Characters That Have Odd Counts
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1379 |
Find a Corresponding Node of a Binary Tree in a Clone of That Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1380 |
Lucky Numbers in a Matrix
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1385 |
Find the Distance Value Between Two Arrays
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
1394 |
Find Lucky Integer in an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1399 |
Count Largest Group
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1403 |
Minimum Subsequence in Non-Increasing Order
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1408 |
String Matching in an Array
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1413 |
Minimum Value to Get Positive Step by Step Sum
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1417 |
Reformat The String
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1422 |
Maximum Score After Splitting a String
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1426 |
Counting Elements
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
1427 |
Perform String Shifts
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1431 |
Kids With the Greatest Number of Candies
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
1436 |
Destination City
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1437 |
Check If All 1's Are at Least Length K Places Away
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
1446 |
Consecutive Characters
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1450 |
Number of Students Doing Homework at a Given Time
|
✅
|
✅
|
❌
|
✅
|
✅
|
✅
|
1455 |
Check If a Word Occurs As a Prefix of Any Word in a Sentence
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1460 |
Make Two Arrays Equal by Reversing Subarrays
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1464 |
Maximum Product of Two Elements in an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1469 |
Find All The Lonely Nodes
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1470 |
Shuffle the Array
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1474 |
Delete N Nodes After M Nodes of a Linked List
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1475 |
Final Prices With a Special Discount in a Shop
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1480 |
Running Sum of 1d Array
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1486 |
XOR Operation in an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1491 |
Average Salary Excluding the Minimum and Maximum Salary
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1496 |
Path Crossing
|
✅
|
✅
|
⚠️
|
✅
|
❌
|
❌
|
1502 |
Can Make Arithmetic Progression From Sequence
|
✅
|
✅
|
✅
|
✅
|
✅
|
⚠️
|
1507 |
Reformat Date
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1512 |
Number of Good Pairs
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1518 |
Water Bottles
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
1523 |
Count Odd Numbers in an Interval Range
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
1528 |
Shuffle String
|
✅
|
✅
|
❌
|
✅
|
❌
|
❌
|
1534 |
Count Good Triplets
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1539 |
Kth Missing Positive Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1544 |
Make The String Great
|
❌
|
❌
|
❌
|
✅
|
✅
|
✅
|
1550 |
Three Consecutive Odds
|
✅
|
✅
|
⚠️
|
✅
|
❌
|
❌
|
1556 |
Thousand Separator
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1560 |
Most Visited Sector in a Circular Track
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1566 |
Detect Pattern of Length M Repeated K or More Times
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
1572 |
Matrix Diagonal Sum
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1576 |
Replace All ?'s to Avoid Consecutive Repeating Characters
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1582 |
Special Positions in a Binary Matrix
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1588 |
Sum of All Odd Length Subarrays
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1592 |
Rearrange Spaces Between Words
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1598 |
Crawler Log Folder
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1603 |
Design Parking System
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1608 |
Special Array With X Elements Greater Than or Equal X
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1614 |
Maximum Nesting Depth of the Parentheses
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1619 |
Mean of Array After Removing Some Elements
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1624 |
Largest Substring Between Two Equal Characters
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1629 |
Slowest Key
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1636 |
Sort Array by Increasing Frequency
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1640 |
Check Array Formation Through Concatenation
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
1646 |
Get Maximum in Generated Array
|
❌
|
❌
|
❌
|
✅
|
✅
|
⚠️
|
1652 |
Defuse the Bomb
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1656 |
Design an Ordered Stream
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1662 |
Check If Two String Arrays are Equivalent
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1668 |
Maximum Repeating Substring
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1672 |
Richest Customer Wealth
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1678 |
Goal Parser Interpretation
|
✅
|
✅
|
❌
|
✅
|
✅
|
❌
|
1684 |
Count the Number of Consistent Strings
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1688 |
Count of Matches in Tournament
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1694 |
Reformat Phone Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1700 |
Number of Students Unable to Eat Lunch
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1704 |
Determine if String Halves Are Alike
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1708 |
Largest Subarray Length K
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1710 |
Maximum Units on a Truck
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1716 |
Calculate Money in Leetcode Bank
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1720 |
Decode XORed Array
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
1725 |
Number Of Rectangles That Can Form The Largest Square
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1732 |
Find the Highest Altitude
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1736 |
Latest Time by Replacing Hidden Digits
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1742 |
Maximum Number of Balls in a Box
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1748 |
Sum of Unique Elements
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1752 |
Check if Array Is Sorted and Rotated
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
1758 |
Minimum Changes To Make Alternating Binary String
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1763 |
Longest Nice Substring
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1768 |
Merge Strings Alternately
|
✅
|
✅
|
❌
|
✅
|
❌
|
❌
|
1773 |
Count Items Matching a Rule
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1779 |
Find Nearest Point That Has the Same X or Y Coordinate
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
1784 |
Check if Binary String Has at Most One Segment of Ones
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
1790 |
Check if One String Swap Can Make Strings Equal
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
1791 |
Find Center of Star Graph
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1796 |
Second Largest Digit in a String
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1800 |
Maximum Ascending Subarray Sum
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1805 |
Number of Different Integers in a String
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1812 |
Determine Color of a Chessboard Square
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1816 |
Truncate Sentence
|
✅
|
✅
|
❌
|
✅
|
❌
|
❌
|
1822 |
Sign of the Product of an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1826 |
Faulty Sensor
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1827 |
Minimum Operations to Make the Array Increasing
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1832 |
Check if the Sentence Is Pangram
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1837 |
Sum of Digits in Base K
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1844 |
Replace All Digits with Characters
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1848 |
Minimum Distance to the Target Element
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
1854 |
Maximum Population Year
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1859 |
Sorting the Sentence
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1863 |
Sum of All Subset XOR Totals
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1869 |
Longer Contiguous Segments of Ones than Zeros
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
1876 |
Substrings of Size Three with Distinct Characters
|
✅
|
❌
|
❌
|
✅
|
✅
|
❌
|
1880 |
Check if Word Equals Summation of Two Words
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
1886 |
Determine Whether Matrix Can Be Obtained By Rotation
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1893 |
Check if All the Integers in a Range Are Covered
|
❌
|
❌
|
❌
|
✅
|
✅
|
⚠️
|
1897 |
Redistribute Characters to Make All Strings Equal
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1903 |
Largest Odd Number in String
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1909 |
Remove One Element to Make the Array Strictly Increasing
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1913 |
Maximum Product Difference Between Two Pairs
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1920 |
Build Array from Permutation
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
1925 |
Count Square Sum Triples
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1929 |
Concatenation of Array
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
1933 |
Check if String Is Decomposable Into Value-Equal Substrings
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1935 |
Maximum Number of Words You Can Type
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
1941 |
Check if All Characters Have Equal Number of Occurrences
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1945 |
Sum of Digits of String After Convert
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1952 |
Three Divisors
|
❌
|
❌
|
❌
|
✅
|
✅
|
⚠️
|
1957 |
Delete Characters to Make Fancy String
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1961 |
Check If String Is a Prefix of Array
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
1967 |
Number of Strings That Appear as Substrings in Word
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1971 |
Find if Path Exists in Graph
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
1974 |
Minimum Time to Type Word Using Special Typewriter
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
1979 |
Find Greatest Common Divisor of Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1984 |
Minimum Difference Between Highest and Lowest of K Scores
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
1991 |
Find the Middle Index in Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2000 |
Reverse Prefix of Word
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
2006 |
Count Number of Pairs With Absolute Difference K
|
✅
|
✅
|
❌
|
✅
|
✅
|
⚠️
|
2011 |
Final Value of Variable After Performing Operations
|
✅
|
✅
|
✅
|
✅
|
❌
|
❌
|
2016 |
Maximum Difference Between Increasing Elements
|
❌
|
❌
|
❌
|
✅
|
✅
|
✅
|
2022 |
Convert 1D Array Into 2D Array
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
2027 |
Minimum Moves to Convert String
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
2032 |
Two Out of Three
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
2037 |
Minimum Number of Moves to Seat Everyone
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2042 |
Check if Numbers Are Ascending in a Sentence
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2047 |
Number of Valid Words in a Sentence
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2053 |
Kth Distinct String in an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2057 |
Smallest Index With Equal Value
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2062 |
Count Vowel Substrings of a String
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2068 |
Check Whether Two Strings are Almost Equivalent
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2073 |
Time Needed to Buy Tickets
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2078 |
Two Furthest Houses With Different Colors
|
✅
|
✅
|
✅
|
✅
|
❌
|
❌
|
2085 |
Count Common Words With One Occurrence
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2089 |
Find Target Indices After Sorting Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2094 |
Finding 3-Digit Even Numbers
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2099 |
Find Subsequence of Length K With the Largest Sum
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2103 |
Rings and Rods
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2108 |
Find First Palindromic String in the Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2114 |
Maximum Number of Words Found in Sentences
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2119 |
A Number After a Double Reversal
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
2124 |
Check if All A's Appears Before All B's
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2129 |
Capitalize the Title
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2133 |
Check if Every Row and Column Contains All Numbers
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
2138 |
Divide a String Into Groups of Size k
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
2144 |
Minimum Cost of Buying Candies With Discount
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2148 |
Count Elements With Strictly Smaller and Greater Elements
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
2154 |
Keep Multiplying Found Values by Two
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
2160 |
Minimum Sum of Four Digit Number After Splitting Digits
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2164 |
Sort Even and Odd Indices Independently
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2176 |
Count Equal and Divisible Pairs in an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2180 |
Count Integers With Even Digit Sum
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2185 |
Counting Words With a Given Prefix
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2190 |
Most Frequent Number Following Key In an Array
|
✅
|
✅
|
❌
|
✅
|
❌
|
❌
|
2194 |
Cells in a Range on an Excel Sheet
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2200 |
Find All K-Distant Indices in an Array
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2206 |
Divide Array Into Equal Pairs
|
✅
|
✅
|
✅
|
✅
|
✅
|
❌
|
2210 |
Count Hills and Valleys in an Array
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
2215 |
Find the Difference of Two Arrays
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2220 |
Minimum Bit Flips to Convert Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2224 |
Minimum Number of Operations to Convert Time
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2229 |
Check if an Array Is Consecutive
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2231 |
Largest Number After Digit Swaps by Parity
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2235 |
Add Two Integers
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
2236 |
Root Equals Sum of Children
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2239 |
Find Closest Number to Zero
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2243 |
Calculate Digit Sum of a String
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2248 |
Intersection of Multiple Arrays
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2255 |
Count Prefixes of a Given String
|
✅
|
❌
|
❌
|
✅
|
❌
|
❌
|
2259 |
Remove Digit From Number to Maximize Result
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
2264 |
Largest 3-Same-Digit Number in String
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2269 |
Find the K-Beauty of a Number
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2273 |
Find Resultant Array After Removing Anagrams
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2278 |
Percentage of Letter in String
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2283 |
Check if Number Has Equal Digit Count and Digit Value
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2287 |
Rearrange Characters to Make Target String
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2299 |
Strong Password Checker II
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2303 |
Calculate Amount Paid in Taxes
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2309 |
Greatest English Letter in Upper and Lower Case
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2315 |
Count Asterisks
|
✅
|
✅
|
⚠️
|
✅
|
❌
|
❌
|
2319 |
Check if Matrix Is X-Matrix
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2325 |
Decode the Message
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2331 |
Evaluate Boolean Binary Tree
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2335 |
Minimum Amount of Time to Fill Cups
|
❌
|
❌
|
❌
|
✅
|
✅
|
⚠️
|
2341 |
Maximum Number of Pairs in Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2347 |
Best Poker Hand
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2351 |
First Letter to Appear Twice
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2357 |
Make Array Zero by Subtracting Equal Amounts
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2363 |
Merge Similar Items
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2367 |
Number of Arithmetic Triplets
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
2373 |
Largest Local Values in a Matrix
|
✅
|
✅
|
⚠️
|
✅
|
✅
|
❌
|
2379 |
Minimum Recolors to Get K Consecutive Black Blocks
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2383 |
Minimum Hours of Training to Win a Competition
|
✅
|
❌
|
❌
|
✅
|
✅
|
❌
|
2389 |
Longest Subsequence With Limited Sum
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2395 |
Find Subarrays With Equal Sum
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2399 |
Check Distances Between Same Letters
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2404 |
Most Frequent Even Element
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
2409 |
Count Days Spent Together
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2413 |
Smallest Even Multiple
|
✅
|
✅
|
❌
|
✅
|
✅
|
❌
|
2418 |
Sort the People
|
❌
|
❌
|
❌
|
✅
|
✅
|
⚠️
|
2423 |
Remove Letter To Equalize Frequency
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2427 |
Number of Common Factors
|
✅
|
✅
|
✅
|
✅
|
✅
|
✅
|
2432 |
The Employee That Worked on the Longest Task
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2437 |
Number of Valid Clock Times
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2441 |
Largest Positive Integer That Exists With Its Negative
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2446 |
Determine if Two Events Have Conflict
|
✅
|
✅
|
⚠️
|
❌
|
❌
|
❌
|
2451 |
Odd String Difference
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2455 |
Average Value of Even Numbers That Are Divisible by Three
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2460 |
Apply Operations to an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2465 |
Number of Distinct Averages
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2469 |
Convert the Temperature
|
✅
|
✅
|
✅
|
✅
|
❌
|
❌
|
2475 |
Number of Unequal Triplets in Array
|
✅
|
✅
|
✅
|
❌
|
❌
|
❌
|
2481 |
Minimum Cuts to Divide a Circle
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2485 |
Find the Pivot Integer
|
✅
|
✅
|
⚠️
|
✅
|
❌
|
❌
|
2490 |
Circular Sentence
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2496 |
Maximum Value of a String in an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2500 |
Delete Greatest Value in Each Row
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2506 |
Count Pairs Of Similar Strings
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2511 |
Maximum Enemy Forts That Can Be Captured
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2515 |
Shortest Distance to Target String in a Circular Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2520 |
Count the Digits That Divide a Number
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2525 |
Categorize Box According to Criteria
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2529 |
Maximum Count of Positive Integer and Negative Integer
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2535 |
Difference Between Element Sum and Digit Sum of an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2540 |
Minimum Common Value
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2544 |
Alternating Digit Sum
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2549 |
Count Distinct Numbers on Board
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
2553 |
Separate the Digits in an Array
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2558 |
Take Gifts From the Richest Pile
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2562 |
Find the Array Concatenation Value
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2566 |
Maximum Difference by Remapping a Digit
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2570 |
Merge Two 2D Arrays by Summing Values
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2574 |
Left and Right Sum Differences
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2578 |
Split With Minimum Sum
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2582 |
Pass the Pillow
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|
2586 |
Count the Number of Vowel Strings in Range
|
✅
|
❌
|
❌
|
❌
|
❌
|
❌
|
2591 |
Distribute Money to Maximum Children
|
❌
|
❌
|
❌
|
✅
|
✅
|
❌
|
2595 |
Number of Even and Odd Bits
|
✅
|
✅
|
❌
|
❌
|
❌
|
❌
|
2600 |
K Items With the Maximum Sum
|
✅
|
✅
|
⚠️
|
✅
|
✅
|
❌
|
2605 |
Form Smallest Number From Two Digit Arrays
|
❌
|
❌
|
❌
|
❌
|
❌
|
❌
|
2609 |
Find the Longest Balanced Substring of a Binary String
|
❌
|
❌
|
❌
|
✅
|
❌
|
❌
|