leetCode

Problem No:

No.	Question	Solution	Difficulty	Finished
1	Two Sum	C, Swift	Easy	✔️
2	Add Two Numbers	C	Medium	✔️
3	Longest Substring Without Repeating Characters	C, Python3	Medium	✔️
4	Median of Two Sorted Arrays	C	Hard	✔️
5	Longest Palindromic Substring	C, Python3	Medium	✔️
6	ZigZag Conversion	C	Medium	✔️
7	Reverse Integer	C	Easy	✔️
8	String to Integer (atoi)	C	Medium	✔️
9	Palindrome Number	C	Easy	✔️
10	Regular Expression Matching	C	Hard	✔️
11	Container With Most Water	C , CPP	Medium	✔️
12	Integer to Roman	C	Medium	✔️
13	Roman to Integer	C	Easy	✔️
14	Longest Common Prefix	C	Easy	✔️
15	3Sum	C, Python3	Medium	✔️
16	3Sum Closest	C, Python3	Medium	✔️
17	Letter Combinations of a Phone Number	C	Medium	✔️
18	4Sum	C	Medium	✔️
19	Remove Nth Node From End of List	C	Medium	✔️
20	Valid Parentheses	C, Python3	Easy	✔️
21	Merge Two Sorted Lists	C	Easy	✔️
22	Generate Parentheses	C	Medium	✔️
23	Merge k Sorted Lists	C	Hard	✔️
24	Swap Nodes in Pairs	C	Medium	✔️
25	Reverse Nodes in k-Group	C	Hard	✔️
26	Remove Duplicates from Sorted Array	C	Easy	✔️
27	Remove Element	C	Easy	✔️
28	Implement strStr()	C	Easy	✔️
29	Divide Two Integers	C	Medium	✔️
30	Substring with Concatenation of All Words	Python3	Hard	✔️
31	Next Permutation	C	Medium	✔️
32	Longest Valid Parentheses	C	Hard	✔️
33	Search in Rotated Sorted Array	C, Swift	Medium	✔️
34	Search for a Range	C	Medium	✔️
35	Search Insert Position	C	Easy	✔️
36	Valid Sudoku	C	Medium	✔️
37	Sudoku Solver	C	Hard	✔️
38	Count and Say	C	Easy	✔️
39	Combination Sum	Swift	Medium	✔️
40	Combination Sum II	Swift	Medium	✔️
41	First Missing Positive	C,CPP	Hard	✔️
42	Trapping Rain Water	C	Hard	✔️
43	Multiply Strings	C	Medium	✔️
44	Wildcard Matching	C	Hard	✔️
45	Jump Game II	Swift , C	Hard	✔️
46	Permutations	C,Swift	Medium	✔️
47	Permutations II	Swift	Medium	✔️
48	Rotate Image	Swift	Medium	✔️
49	Group Anagrams	Swift	Medium	✔️
50	Pow(x, n)	Swift, Python3	Medium	✔️
51	N-Queens	Swift	Hard	✔️
52	N-Queens II	Swift	Hard	✔️
53	Maximum Subarray	Swift, Python3	Easy	✔️
54	Spiral Matrix	Swift	Medium	✔️
55	Jump Game	Swift	Medium	✔️
56	Merge Intervals	Swift, Python3	Medium	✔️
57	Insert Interval	Swift	Hard	✔️
58	Length of Last Word	C	Easy	✔️
59	Spiral Matrix II	Swift	Medium	✔️
60	Permutation Sequence	Swift	Medium	✔️
61	Rotate List	C	Medium	✔️
62	Unique Paths	Swift	Medium	✔️
63	Unique Paths II	Swift, Python3	Medium	✔️
64	Minimum Path Sum	Swift	Medium	✔️
65	Valid Number	Swift	Medium	✔️
66	Plus One	C, Python3	Easy	✔️
67	Add Binary	C	Easy	✔️
68	Text Justification	Swift	Hard	✔️
69	Sqrt(x)	C	Easy	✔️
70	Climbing Stairs	Swift	Easy	✔️
71	Simplify Path	Swift	Medium	✔️
72	Edit Distance	Swift ,Python3	Hard	✔️
73	Set Matrix Zeroes	Swift	Medium	✔️
74	Search a 2D Matrix	Swift	Medium	✔️
75	Sort Colors	C	Medium	✔️
76	Minimum Window Substring	C	Hard	✔️
77	Combinations	Swift	Medium	✔️
78	Subsets	Swift, Python3	Medium	✔️
79	Word Search	Swift	Medium	✔️
80	Remove Duplicates from Sorted Array II	C	Medium	✔️
81	Search in Rotated Sorted Array II	Swift	Medium	✔️
82	Remove Duplicates from Sorted List II	Swift	Medium	✔️
83	Remove Duplicates from Sorted List	C	Easy	✔️
84	Largest Rectangle in Histogram	Swift	Hard	✔️
85	Maximal Rectangle	Swift	Hard	✔️
86	Partition List	C	Medium	✔️
87	Scramble String	Swift	Hard	✔️
88	Merge Sorted Array	C	Easy	✔️
89	Gray Code	Swift	Medium	✔️
90	Subsets II	Swift	Medium	✔️
91	Decode Ways	Swift	Medium	✔️
92	Reverse Linked List II	Swift	Medium	✔️
93	Restore IP Addresses	Swift	Medium	✔️
94	Binary Tree Inorder Traversal	Swift	Medium	✔️
95	Unique Binary Search Trees II	Swift	Medium	✔️
96	Unique Binary Search Trees	Swift	Medium	✔️
97	Interleaving String	Swift	Hard	✔️
98	Validate Binary Search Tree	Swift	Medium	✔️
99	Recover Binary Search Tree	Swift	Hard	✔️
100	Same Tree	C, Python3	Easy	✔️
101	Symmetric Tree	C	Easy	✔️
102	Binary Tree Level Order Traversal	Swift, Python3	Medium	✔️
103	Binary Tree Zigzag Level Order Traversal	Swift	Medium	✔️
104	Maximum Depth of Binary Tree	C	Easy	✔️
105	Construct Binary Tree from Preorder and Inorder Traversal	Swift	Medium	✔️
106	Construct Binary Tree from Inorder and Postorder Traversal	Swift, Python3	Medium	✔️
107	Binary Tree Level Order Traversal II	Swift, Python3	Easy	✔️
108	Convert Sorted Array to Binary Search Tree	C	Easy	✔️
109	Convert Sorted List to Binary Search Tree	Swift	Medium	✔️
110	Balanced Binary Tree	C, Python3	Easy	✔️
111	Minimum Depth of Binary Tree	C	Easy	✔️
112	Path Sum	C	Easy	✔️
113	Path Sum II	Swift	Medium	✔️
114	Flatten Binary Tree to Linked List	Swift,Python3	Medium	✔️
115	Distinct Subsequences	Swift	Hard	✔️
116	Populating Next Right Pointers in Each Node	Swift	Medium	✔️
117	Populating Next Right Pointers in Each Node II	Swift	Medium	✔️
118	Pascal's Triangle	C	Easy	✔️
119	Pascal's Triangle II	C, Swift	Easy	✔️
120	Triangle	Swift	Medium	✔️
121	Best Time to Buy and Sell Stock	C	Easy	✔️
122	Best Time to Buy and Sell Stock II	C	Easy	✔️
123	Best Time to Buy and Sell Stock III	Swift, Python3	Hard	✔️
124	Binary Tree Maximum Path Sum	Swift, Python3	Hard	✔️
125	Valid Palindrome	C, Python3	Easy	✔️
126	Word Ladder II	Python3	Hard	✔️
127	Word Ladder	Python3	Hard	✔️
128	Longest Consecutive Sequence	Python3	Medium	✔️
129	Sum Root to Leaf Numbers	Swift	Medium	✔️
130	Surrounded Regions	Swift	Medium	✔️
131	Palindrome Partitioning	Python3	Medium	✔️
132	Palindrome Partitioning II	Python3	Hard	✔️
133	Clone Graph	Python3	Medium	✔️
134	Gas Station	Python3, CPP	Medium	✔️
135	Candy	Python3	Hard	✔️
136	Single Number	C	Easy	✔️
137	Single Number II	Swift	Medium	✔️
138	Copy List with Random Pointer	Python3	Medium	✔️
139	Word Break	Python3	Medium	✔️
140	Word Break II	Python3	Hard	✔️
141	Linked List Cycle	C	Easy	✔️
142	Linked List Cycle II	C	Medium	✔️
143	Reorder List	Python3	Medium	✔️
144	Binary Tree Preorder Traversal	Python3	Easy	✔️
145	Binary Tree Postorder Traversal	Python3	Easy	✔️
146	LRU Cache	Swift, Python3	Medium	✔️
147	Insertion Sort List	Python3	Medium	✔️
148	Sort List	Python3	Medium	✔️
149	Max Points on a Line	Python3	Hard	✔️
150	Evaluate Reverse Polish Notation	Python3	Medium	✔️

Problem not in Order:

Random

No.	Question	Solution	Difficulty	Finished
Q151	Reverse Words in a String	Python3	Medium	✔️
Q152	Maximum Product Subarray	CPP	Medium	✔️
Q153	Find Minimum in Rotated Sorted Array	Python3	Medium	✔️
Q154	Find Minimum in Rotated Sorted Array II	Python3	Hard	✔️
Q155	Min Stack	Swift	Easy	✔️
Q160	Intersection of Two Linked Lists	C	Easy	✔️
Q162	Find Peak Element	Python3	Medium	✔️
Q164	Maximum Gap	Python3	Hard	✔️
Q165	Compare Version Numbers	Python3	Medium	✔️
Q166	Fraction to Recurring Decimal	Python3	Medium	✔️
Q167	Two Sum II	C	Easy	✔️
Q168	Excel Sheet Column Title	Python3	Easy	✔️
Q169	Majority Element	C, Swift	Easy	✔️
Q171	Excel Sheet Column Number	Python3	Easy	✔️
Q172	Factorial Trailing Zeroes	C	Easy	✔️
Q173	Binary Search Tree Iterator	Python3	Medium	✔️
Q174	Dungeon Game	Swift	Hard	✔️
Q179	Largest Number	CPP	Medium	✔️
Q187	Repeated DNA Sequences	CPP, Python3	Medium	✔️
Q188	Best Time to Buy and Sell Stock IV	Python3	Hard	✔️
Q189	Rotate Array	C	Easy	✔️
Q190	Reverse Bits	C, Python3	Easy	✔️
Q191	Number of 1 Bits	C	Easy	✔️
Q198	House Robber	C	Easy	✔️
Q199	Binary Tree Right Side View	Python3	Medium	✔️
Q200	Number of Islands	Swift	Medium	✔️
Q201	Bitwise AND of Numbers Range	Swift	Medium	✔️
Q202	Happy Number	C	Easy	✔️
Q203	Remove Linked List Elements	C, Python3	Easy	✔️
Q204	Count Primes	Swift	Easy	✔️
Q205	Isomorphic Strings	C	Easy	✔️
Q206	Reverse Linked List	C	Easy	✔️
Q207	Course Schedule	Swift	Medium	✔️
Q208	Implement Trie (Prefix Tree)	Swift	Medium	✔️
Q209	Minimum Size Subarray Sum	C	Medium	✔️
Q210	Course Schedule II	Swift	Medium	✔️
Q211	Add and Search Word - Data structure design	Python3	Medium	✔️
Q212	Word Search II	Python3	Hard	✔️
Q213	House Robber II	CPP	Medium	✔️
Q214	Shortest Palindrome	Python3	Hard	✔️
Q215	Kth Largest Element in an Array	Python3	Medium	✔️
Q216	Combination Sum III	Python3	Medium	✔️
Q217	Contains Duplicate	C	Easy	✔️
Q218	The Skyline Problem	Python3	Hard	✔️
Q219	Contains Duplicate II	CPP	Medium	✔️
Q220	Contains Duplicate III	CPP	Medium	✔️
Q221	Maximal Square	Swift	Medium	✔️
Q222	Count Complete Tree Nodes	Swift	Medium	✔️
Q223	Rectangle Area	Python3	Medium	✔️
Q224	Basic Calculator	Python3	Hard	✔️
Q225	Implement Stack using Queues	Python3	Easy	✔️
Q226	Invert Binary Tree	C	Easy	✔️
Q227	Basic Calculator II	Python3	Medium	✔️
Q228	Summary Ranges	Python3	Easy	✔️
Q229	Majority Element II	CPP	Medium	✔️
Q230	Kth Smallest Element in a BST	Swift	Medium	✔️
Q231	Power of Two	C	Easy	✔️
Q232	Implement Queue using Stacks	Python3	Easy	✔️
Q233	Number of Digit One	Python3	Hard	✔️
Q234	Palindrome Linked List	C	Easy	✔️
Q235	Lowest Common Ancestor of a Binary Search Tree	Python3	Easy	✔️
Q236	Lowest Common Ancestor of a Binary Tree	Python3	Medium	✔️
Q237	Delete Node in a Linked List	Swift	Easy	✔️
Q238	Product of Array Except Self	Swift	Medium	✔️
Q239	Sliding Window Maximum	Python3	Hard	✔️
Q240	Search a 2D Matrix II	Python3	Medium	✔️
Q241	Different Ways to Add Parentheses	Python3	Medium	✔️
Q242	Valid Anagram	Python3	Easy	✔️
Q257	Binary Tree Paths	Python3	Easy	✔️
Q258	Add Digits	Python3	Easy	✔️
Q260	Single Number III	Swift	Medium	✔️
Q263	Ugly Number	Swift	Easy	✔️
Q264	Ugly Number II	Swift	Medium	✔️
Q268	Missing Number	Python3	Easy	✔️
Q273	Integer to English Words	Python3	Hard	✔️
Q274	H-Index	Swift	Medium	✔️
Q275	H-Index II	Swift, Python3	Medium	✔️
Q278	First Bad Version	Swift	Easy	✔️
Q279	Perfect Squares	Swift	Medium	✔️
Q282	Expression Add Operators	Python3	Hard	✔️
Q283	Move Zeroes	C, Swift	Easy	✔️
Q284	Peeking Iterator	Python3	Medium	✔️
Q287	Find the Duplicate Number	C	Medium	✔️
Q289	Game of Life	Python3	Medium	✔️
Q290	Word Pattern	Python3	Medium	✔️
Q292	Nim Game	Python3	Hard	✔️
Q295	Find Median from Data Stream	Python3	Hard	✔️
Q297	Serialize and Deserialize Binary Tree	Python3	Hard	✔️
Q299	Bulls and Cows	Python3	Easy	✔️
Q300	Longest Increasing Subsequence	Python3	Medium	✔️
Q309	Best Time to Buy and Sell Stock with Cooldown	Python3	Medium	✔️
Q316	Remove Duplicate Letters	CPP	Medium	✔️
Q322	Coin Change	Python3	Medium	✔️
Q326	Power of Three	Python3	Easy	✔️
Q328	Odd Even Linked List	Swift	Medium	✔️
Q332	Reconstruct Itinerary	Swift	Medium	✔️
Q337	House Robber III	CPP	Medium	✔️
Q338	Counting Bits	Swift	Medium	✔️
Q342	Power of Four	Python3	Medium	✔️
Q344	Reverse String	C	Easy	✔️
Q345	Reverse Vowels of a String	C	Easy	✔️
Q347	Top K Frequent Elements	Python3	Medium	✔️
Q349	Intersection of Two Arrays	C	Easy	✔️
Q350	Intersection of Two Arrays II	C	Easy	✔️
Q367	Valid Perfect Square	Swift	Easy	✔️
Q368	Largest Divisible Subset	Swift	Medium	✔️
Q380	Insert Delete GetRandom O(1)	Swift	Medium	✔️
Q383	Ransom Note	Swift	Easy	✔️
Q387	First Unique Character in a String	Swift	Easy	✔️
Q389	Find the Difference	CPP	Medium	✔️
Q392	Is Subsequence	Swift	Easy	✔️
Q402	Remove K Digits	Swift	Medium	✔️
Q404	Sum of Left Leaves	Python3	Easy	✔️
Q406	Queue Reconstruction by Height	Swift	Medium	✔️
Q409	Longest Palindrome	Python3	Easy	✔️
Q410	Split Array Largest Sum	Python3	Hard	✔️
Q412	Fizz Buzz	Python3	Easy	✔️
Q416	Partition Equal Subset Sum	Swift	Medium	✔️
Q421	Maximum XOR of Two Numbers in an Array	CPP	Medium	✔️
Q424	Longest Repeating Character Replacement	C	Medium	✔️
Q430	Flatten a Multilevel Doubly Linked List	Python3	Medium	✔️
Q435	Non-overlapping Intervals	Python3	Medium	✔️
Q436	Find Right Interval	Python3	Medium	✔️
Q437	Path Sum III	Swift, C, Python3	Medium	✔️
Q438	Find All Anagrams in a String	Swift, C	Medium	✔️
Q441	Arranging Coins	Python3	Easy	✔️
Q442	Find All Duplicates in an Array	Python3	Medium	✔️
Q449	Serialize and Deserialize BST	Python3	Medium	✔️
Q450	Delete Node in a BST	CPP	Medium	✔️
Q451	Sort Characters By Frequency	Swift, Python3	Medium	✔️
Q452	Minimum Number of Arrows to Burst Balloons	Python3	Medium	✔️
Q456	132 Pattern	C	Medium	✔️
Q457	Circular Array Loop	C	Medium	✔️
Q459	Repeated Substring Pattern	CPP	Easy	✔️
Q461	Hamming Distance	Python3	Easy	✔️
Q463	Island Perimeter	Python3	Easy	✔️
Q468	Validate IP Address	Swift	Medium	✔️
Q470	Implement Rand10() Using Rand7()	CPP	Medium	✔️
Q474	[Ones and Zeroes](https://leetcode.com/problems/ones-and-zeroes/	Python3	Medium	✔️
Q476	Number Complement	Swift	Easy	✔️
Q477	Total Hamming Distance, Swift	Python3	Medium	✔️
Q494	Target Sum	Python3	Medium	✔️
Q495	Teemo Attacking	CPP	Medium	✔️
Q497	Random Point in Non-overlapping Rectangles	Python3	Medium	✔️
Q518	Coin Change 2	Swift	Medium	✔️
Q520	Detect Capital	Python3	Easy	✔️
Q523	Continuous Subarray Sum	Python3	Medium	✔️
Q524	Longest Word in Dictionary through Deleting	C	Medium	✔️
Q525	Contiguous Array	Swift, Python3	Medium	✔️
Q528	Random Pick with Weight	Swift	Medium	✔️
Q532	K-diff Pairs in an Array	C	Easy	✔️
Q540	Single Element in a Sorted Array	Swift	Medium	✔️
Q543	Diameter of Binary Tree	Swift	Easy	✔️
Q557	Reverse Words in a String III	Python3	Easy	✔️
Q560	Subarray Sum Equals K	Swift	Medium	✔️
Q563	Binary Tree Tilt	CPP	Easy	✔️
Q567	Permutation in String	C, Swift	Medium	✔️
Q611	Valid Triangle Number	Python3	Medium	✔️
Q617	Merge Two Binary Trees	Python3	Medium	✔️
Q621	Task Scheduler	Python3	Medium	✔️
Q645	Set Mismatch	Python3	Easy	✔️
Q658	Find K Closest Elements	Python3	Medium	✔️
Q662	Maximum Width of Binary Tree	Python3	Medium	✔️
Q678	Valid Parenthesis String	C, Swift	Medium	✔️
Q680	Valid Palindrome II	Python3	Easy	✔️
Q687	Longest Univalue Path	Python3	Easy	✔️
Q696	Count Binary Substrings	C	Easy	✔️
Q700	Search in a Binary Search Tree	Swift	Easy	✔️
Q701	Insert into a Binary Search Tree	CPP	Medium	✔️
Q704	Binary Search	C	Easy	✔️
Q705	Design HashSet	Python3	Easy	✔️
Q733	Flood Fill	Swift	Easy	✔️
Q743	Network Delay Time	Python3	Medium	✔️
Q763	Partition Labels	CPP, Python3	Medium	✔️
Q771	Jewels and Stones	Swift	Easy	✔️
Q787	Cheapest Flights Within K Stops	Swift	Medium	✔️
Q797	All Paths From Source to Target	Python3	Medium	✔️
Q824	Goat Latin	Python3	Easy	✔️
Q832	Flipping an Image	CPP	Easy	✔️
Q835	Image Overlap	Python3	Medium	✔️
Q844	Backspace String Compare	C, Swift	Easy	✔️
Q852	Peak Index in a Mountain Array	Python3	Easy	✔️
Q859	Buddy Strings	CPP	Easy	✔️
Q869	Reordered Power of 2	Python3	Medium	✔️
Q875	Koko Eating Bananas	Python3	Medium	✔️
Q876	Middle of the Linked List	Swift	Easy	✔️
Q887	Super Egg Drop	Python3	Hard	✔️
Q901	Online Stock Span	Swift	Medium	✔️
Q905	Sort Array By Parity	Python3	Easy	✔️
Q912	Sort an Array	CPP	Medium	✔️
Q918	Maximum Sum Circular Subarray	Swift	Medium	✔️
Q922	Sort Array By Parity II	Python3	Easy	✔️
Q923	3Sum With Multiplicity	Python3	Medium	✔️
Q933	Number of Recent Calls	CPP	Easy	✔️
Q937	K Closest Points to Origin	Swift	Medium	✔️
Q952	Largest Component Size by Common Factor	Python3	Hard	✔️
Q957	Prison Cells After N Days	Python3	Medium	✔️
Q967	Numbers With Same Consecutive Differences	Python3	Medium	✔️
Q969	Pancake Sorting	CPP	Medium	✔️
Q980	Unique Paths III	C	Hard	✔️
Q981	Time Based Key-Value Store	Python3	Medium	✔️
Q983	Minimum Cost For Tickets	Python3	Medium	✔️
Q986	Interval List Intersections	Swift	Medium	✔️
Q987	Vertical Order Traversal of a Binary Tree	Python3	Medium	✔️
Q993	Cousins in Binary Tree	Swift	Easy	✔️
Q994	Rotting Oranges	Python3	Medium	✔️
Q997	Find the Town Judge	Swift	Easy	✔️
Q1007	Minimum Domino Rotations For Equal Row	CPP	Medium	✔️
Q1008	Construct Binary Search Tree from Preorder Traversal	Swift	Medium	✔️
Q1009	Complement of Base 10 Integer	CPP	Easy	✔️
Q1011	Capacity To Ship Packages Within D Days	Python3	Medium	✔️
Q1022	Sum of Root To Leaf Binary Numbers	CPP	Easy	✔️
Q1026	Maximum Difference Between Node and Ancestor	CPP	Medium	✔️
Q1029	Two City Scheduling	Swift	Easy	✔️
Q1035	Uncrossed Lines	Swift	Medium	✔️
Q1041	Robot Bounded In Circle	CPP	Medium	✔️
Q1044	Longest Duplicate Substring	Swift	Hard	✔️
Q1046	Last Stone Weight	Swift, Python3	Easy	✔️
Q1049	Last Stone Weight II	Python3	Medium	✔️
Q1081	Smallest Subsequence of Distinct Characters	C	Medium	✔️
Q1094	Car Pooling	Python3	Medium	✔️
Q1103	Distribute Candies to People	Python3	Easy	✔️
Q1108	Defanging an IP Address	CPP	Easy	✔️
Q1143	Longest Common Subsequence	Swift,Python3	Medium	✔️
Q1155	Number of Dice Rolls With Target Sum	C	Medium	✔️
Q1171	Remove Zero Sum Consecutive Nodes from Linked List	Python3	Medium	✔️
Q1201	Ugly Number III	Swift	Medium	✔️
Q1232	Check If It Is a Straight Line	Swift	Easy	✔️
Q1275	Find Winner on a Tic Tac Toe Game	Python3	Easy	✔️
Q1277	Count Square Submatrices with All Ones	Swift	Medium	✔️
Q1286	Iterator for Combination	Python3	Medium	✔️
Q1288	Remove Covered Intervals	Python3	Medium	✔️
Q1291	Sequential Digits	CPP	Medium	✔️
Q1305	All Elements in Two Binary Search Trees	CPP, Python3	Medium	✔️
Q1337	The K Weakest Rows in a Matrix	Python3	Easy	✔️
Q1342	Number of Steps to Reduce a Number to Zero	CPP	Easy	✔️
Q1344	Angle Between Hands of a Clock	Python3	Medium	✔️
Q1390	Four Divisors	Python3	Medium	✔️
Q1418	Display Table of Food Orders in a Restaurant	Python3	Medium	✔️
Q1431	Kids With the Greatest Number of Candies	CPP	Easy	✔️
Q1470	Shuffle the Array	CPP	Easy	✔️
Q1476	Subrectangle Queries	CPP	Medium	✔️
Q1480	Running Sum of 1d Array	Swift	Easy	✔️
Q1482	Minimum Number of Days to Make m Bouquets	Python3	Medium	✔️
Q1486	XOR Operation in an Array	Swift	Easy	✔️
Q1487	Making File Names Unique	Swift	Medium	✔️
Q1488	Avoid Flood in The City	Swift	Medium	✔️
Q1491	Average Salary Excluding the Minimum and Maximum Salary	Swift	Easy	✔️
Q1492	The kth Factor of n	Swift	Medium	✔️
Q1493	Longest Subarray of 1's After Deleting One Element	Swift	Medium	✔️
Q1496	Path Crossing	Swift	Easy	✔️
Q1497	Check If Array Pairs Are Divisible by k	Swift	Medium	✔️
Q1498	Number of Subsequences That Satisfy the Given Sum Condition	Swift	Medium	✔️
Q1502	Can Make Arithmetic Progression From Sequence	Swift	Medium	✔️
Q1503	Last Moment Before All Ants Fall Out of a Plank	Swift	Medium	✔️
Q1504	Count Submatrices With All Ones	Python3	Medium	✔️
Q1505	Minimum Possible Integer After at Most K Adjacent Swaps On Digits	Swift	Hard	✔️
Q1507	Reformat Date	Python3	Easy	✔️
Q1508	Range Sum of Sorted Subarray Sums	Python3	Medium	✔️
Q1512	Number of Good Pairs	Python3	Easy	✔️
Q1513	Number of Substrings With Only 1s	Python3	Medium	✔️
Q1514	Path with Maximum Probability	Python3	Medium	✔️
Q1518	Water Bottles	Python3	Medium	✔️
Q1519	Number of Nodes in the Sub-Tree With the Same Label	Python3	Medium	✔️
Q1523	Count Odd Numbers in an Interval Range	Python3	Easy	✔️
Q1524	Number of Sub-arrays With Odd Sum	Python3	Medium	✔️
Q1525	Number of Good Ways to Split a String	Python3	Medium	✔️
Q1528	Shuffle String	Python3	Easy	✔️
Q1529	Bulb Switcher IV	Python3	Medium	✔️
Q1530	Number of Good Leaf Nodes Pairs	Python3	Medium	✔️
Q1534	Count Good Triplets	Python3	Easy	✔️
Q1535	Find the Winner of an Array Game	Python3	Medium	✔️
Q1536	Minimum Swaps to Arrange a Binary Grid	Python3	Medium	✔️
Q1539	Kth Missing Positive Number	Python3	Easy	✔️
Q1540	Can Convert String in K Moves	Python3	Medium	✔️
Q1541	Minimum Insertions to Balance a Parentheses String	Python3	Medium	✔️
Q1542	Find Longest Awesome Substring	Python3	Hard	✔️
Q1544	Make The String Great	Python3	Easy	✔️
Q1545	Find Kth Bit in Nth Binary String	Python3	Medium	✔️
Q1546	Maximum Number of Non-Overlapping Subarrays With Sum Equals Target	Python3	Medium	✔️
Q1550	Three Consecutive Odds	Python3	Easy	✔️
Q1551	Minimum Operations to Make Array Equal	Python3	Medium	✔️
Q1552	Magnetic Force Between Two Balls	Python3	Medium	✔️
Q1553	Minimum Number of Days to Eat N Oranges	Python3	Hard	✔️
Q1556	Thousand Separator	Python3	Easy	✔️
Q1557	Minimum Number of Vertices to Reach All Nodes	Python3	Medium	✔️
Q1558	Minimum Numbers of Function Calls to Make Target Array	Python3	Medium	✔️
Q1559	Detect Cycles in 2D Grid	Python3	Hard	✔️
Q1560	Most Visited Sector in a Circular Track	Python3	Easy	✔️
Q1561	Maximum Number of Coins You Can Get	Python3	Medium	✔️
Q1562	Find Latest Group of Size M	Python3	Medium	✔️
Q1566	Detect Pattern of Length M Repeated K or More Times	Python3	Easy	✔️
Q1567	Maximum Length of Subarray With Positive Product	Python3	Medium	✔️
Q1568	Minimum Number of Days to Disconnect Island	Python3	Medium	✔️
Q1736	Latest Time by Replacing Hidden Digits	Python3	Easy	✔️
Q1744	Can You Eat Your Favorite Candy on Your Favorite Day	Python3	Medium	✔️
Q1818	Minimum Absolute Sum Difference	Python3	Medium	✔️
Q1846	Maximum Element After Decreasing and Rearranging	Python3	Medium	✔️
Q1833	Maximum Ice Cream Bars	Python3	Medium	✔️
Q1838	Frequency of the Most Frequent Element	Python3	Medium	✔️
Q1893	Check if All the Integers in a Range Are Covered	Python3	Easy	✔️
Q1915	Number of Wonderful Substrings	Python3	Medium	✔️