README.md

LeetCode

Sr.	Date	Problem	Difficulty	Solution	Month
1	1/1/24	Assign Cookies	Easy	Java	Jan
2	2/1/24	Convert an Array Into a 2D Array With Conditions	Medium	Java	Jan
3	3/1/24	Number of Laser Beams in a Bank	Medium	Java	Jan
4	4/1/24	Minimum Number of Operations to Make Array Empty	Medium	Java	Jan
5	5/1/24	Longest Increasing Subsequence	Medium	Java	Jan
6	6/1/24	Maximum Profit in Job Scheduling	Hard	Java	Jan
7	7/1/24	Arithmetic Slices II - Subsequence	Hard	Java	Jan
8	8/1/24	Range Sum of BST	Easy	Java	Jan
9	9/1/24	Leaf-Similar Trees	Easy	Java	Jan
10	10/1/24	Amount of Time for Binary Tree to Be Infected	Medium	Java	Jan
11	11/1/24	Maximum Difference Between Node and Ancestor	Medium	Java	Jan
12	12/1/24	Determine if String Halves Are Alike	Easy	Java	Jan
13	13/1/24	Minimum Number of Steps to Make Two Strings Anagram	Medium	Java	Jan
14	14/1/24	Determine if Two Strings Are Close	Medium	Java	Jan
15	15/1/24	Find Players With Zero or One Losses	Medium	Java	Jan
16	16/1/24	Insert Delete GetRandom O(1)	Medium	Java	Jan
17	17/1/24	Unique Number of Occurrences	Easy	Java	Jan
18	18/1/24	Climbing Stairs	Easy	Java	Jan
19	19/1/24	Minimum Falling Path Sum	Medium	Java	Jan
20	20/1/24	Sum of Subarray Minimums	Medium	Java	Jan
21	21/1/24	House Robber	Medium	Java	Jan
22	22/1/24	Set Mismatch	Easy	Java	Jan
23	23/1/24	Maximum Length of a Concatenated String with Unique Characters	Medium	Java	Jan
24	24/1/24	Pseudo-Palindromic Paths in a Binary Tree	Medium	Java	Jan
25	25/1/24	Longest Common Subsequence	Medium	Java	Jan
26	26/1/24	Out of Boundary Paths	Medium	Java	Jan
27	27/1/24	K Inverse Pairs Array	Hard	Java	Jan
28	28/1/24	Number of Submatrices That Sum to Target	Hard	Java	Jan
29	29/1/24	Implement Queue using Stacks	Easy	Java	Jan
30	30/1/24	Evaluate Reverse Polish Notation	Medium	Java	Jan
31	31/1/24	Daily Temperatures	Medium	Java	Jan
32	1/2/24	Divide Array Into Arrays With Max Difference	Medium	Java	Feb
33	2/2/24	Sequential Digits	Medium	Java	Feb
34	3/2/24	Partition Array for Maximum Sum	Medium	Java	Feb
35	4/2/24	Minimum Window Substring	Hard	Java	Feb
36	5/2/24	First Unique Character in a String	Easy	Java	Feb
37	6/2/24	Group Anagrams	Medium	Java	Feb
38	7/2//24	Sort Characters By Frequency	Medium	Java	Feb
39	8/2/24	Perfect Squares	Medium	Java	Feb
40	9/2/24	Largest Divisible Subset	Medium	Java	Feb
41	10/2/24	Palindromic Substrings	Medium	Java	Feb
42	11/2/24	Cherry Pickup II	Hard	Java	Feb
43	12/2/24	Majority Element	Easy	Java	Feb
44	13/2/24	Find First Palindromic String in the Array	Easy	Java	Feb
45	14/2/24	Rearrange Array Elements by Sign	Medium	Java	Feb
46	15/2/24	Find Polygon With the Largest Perimeter	Medium	Java	Feb
47	16/2/24	Least Number of Unique Integers after K Removals	Medium	Java	Feb
48	17/2/24	Furthest Building You Can Reach	Medium	Java	Feb
49	18/2/24	Meeting Rooms III	Hard	Java	Feb
50	19/2/24	Power of Two	Easy	Java	Feb
51	20/2/24	Missing Number	Easy	Java	Feb
52	21/2/24	Bitwise AND of Numbers Range	Medium	Java	Feb
53	22/2/24	Find the Town Judge	Easy	Java	Feb
54	23/2/24	Cheapest Flights Within K Stops	Medium	Java	Feb
55	24/2/24	Find All People With Secret	Hard	Java	Feb
56	25/2/24	Greatest Common Divisor Traversal	Hard	Java	Feb
57	26/2/24	Same Tree	Easy	Java	Feb
58	27/2/24	Diameter of Binary Tree	Easy	Java	Feb
59	28/2/24	Find Bottom Left Tree Value	Medium	Java	Feb
60	29/2/24	Even Odd Tree	Medium	Java	Feb
61	1/3/24	Maximum Odd Binary Number	Easy	Java	Mar
62	2/3/24	Squares of a Sorted Array	Easy	Java	Mar
63	3/3/24	Remove Nth Node From End of List	Medium	Java	Mar
64	4/3/24	Bag of Tokens	Medium	Java	Mar
65	5/3/24	Minimum Length of String After Deleting Similar Ends	Medium	Java	Mar
66	6/3/24	Linked List Cycle	Easy	Java	Mar
67	7/3/24	Middle of the Linked List	Easy	Java	Mar
68	8/3/24	Count Elements With Maximum Frequency	Easy	Java	Mar
69	9/3/24	Minimum Common Value	Easy	Java	Mar
70	10/3/24	Intersection of Two Arrays	Easy	Java	Mar
71	11/3/24	Custom Sort String	Medium	Java	Mar
72	12/3/24	Remove Zero Sum Consecutive Nodes from Linked List	Medium	Java	Mar
73	13/3/24	Find the Pivot Integer	Easy	Java	Mar
74	14/3/24	Binary Subarrays With Sum	Medium	Java	Mar
75	15/3/24	Product of Array Except Self	Medium	Java	Mar
76	16/3/24	Contiguous Array	Medium	Java	Mar
77	17/3/24	Insert Interval	Medium	Java	Mar
78	18/3/24	Minimum Number of Arrows to Burst Balloons	Medium	Java	Mar
79	19/3/24	Task Scheduler	Medium	Java	Mar
80	20/3/24	Merge In Between Linked Lists	Medium	Java	Mar
81	21/3/24	Reverse Linked List	Easy	Java	Mar
82	22/3/24	Palindrome Linked List	Easy	Java	Mar
83	23/3/24	Reorder List	Medium	Java	Mar
84	24/3/24	Find the Duplicate Number	Medium	Java	Mar
85	25/3/24	Find All Duplicates in an Array	Medium	Java	Mar
86	26/3/24	First Missing Positive	Hard	Java	Mar
87	27/3/24	Subarray Product Less Than K	Medium	Java	Mar
88	28/3/24	Length of Longest Subarray With at Most K Frequency	Medium	Java	Mar
89	29/3/24	Count Subarrays Where Max Element Appears at Least K Times	Medium	Java	Mar
90	30/3/24	Subarrays with K Different Integers	Hard	Java	Mar
91	31/3/24	Count Subarrays With Fixed Bounds	Hard	Java	Mar
92	1/4/24	Length of Last Word	Easy	Java	Apr
93	2/4/24	Isomorphic Strings	Easy	Java	Apr
94	3/4/24	Word Search	Medium	Java	Apr
95	4/4/24	Maximum Nesting Depth of the Parentheses	Easy	Java	Apr
96	5/4/24	Make The String Great	Easy	Java	Apr
97	6/4/24	Minimum Remove to Make Valid Parentheses	Medium	Java	Apr
98	7/4/24	Valid Parenthesis String	Medium	Java	Apr
99	8/4/24	Number of Students Unable to Eat Lunch	Easy	Java	Apr
100	9/4/24	Time Needed to Buy Tickets	Easy	Java	Apr
101	10/4/24	Reveal Cards In Increasing Order	Medium	Java	Apr
102	11/4/24	Remove K Digits	Medium	Java	Apr
103	12/4/24	Trapping Rain Water	Hard	Java	Apr
104	13/4/24	Maximal Rectangle	Hard	Java	Apr
105	14/4/24	Sum of Left Leaves	Easy	Java	Apr
106	15/4/24	Sum Root to Leaf Numbers	Medium	Java	Apr
107	16/4/24	Add One Row to Tree	Medium	Java	Apr
108	17/4/24	Smallest String Starting From Leaf	Medium	Java	Apr
109	18/4/24	Island Perimeter	Easy	Java	Apr
110	19/4/24	Number of Islands	Medium	Java	Apr
111	20/4/24	Find All Groups of Farmland	Medium	Java	Apr
112	21/4/24	Find if Path Exists in Graph	Easy	Java	Apr
113	22/4/24	Open the Lock	Medium	Java	Apr
114	23/4/24	Minimum Height Trees	Medium	Java	Apr
115	24/4/24	N-th Tribonacci Number	Easy	Java	Apr
116	25/4/24	Longest Ideal Subsequence	Medium	Java	Apr
117	26/4/24	Minimum Falling Path Sum II	Hard	Java	Apr
118	27/4/24	Freedom Trail	Hard	Java	Apr
119	28/4/24	Sum of Distances in Tree	Hard	Java	Apr
120	29/4/24	Minimum Number of Operations to Make Array XOR Equal to K	Medium	Java	Apr
121	30/4/24	Number of Wonderful Substrings	Medium	Java	Apr
122	1/5/24	Reverse Prefix of Word	Easy	Java	May
123	2/5/24	Largest Positive Integer That Exists With Its Negative	Easy	Java	May
124	3/5/24	Compare Version Numbers	Medium	Java	May
125	4/5/24	Boats to Save People	Medium	Java	May
126	5/5/24	Delete Node in a Linked List	Medium	Java	May
127	6/5/24	Remove Nodes From Linked List	Medium	Java	May
128	7/5/24	Double a Number Represented as a Linked List	Medium	Java	May
129	8/5/24	Relative Ranks	Easy	Java	May
130	9/5/24	Maximize Happiness of Selected Children	Medium	Java	May
131	10/5/24	K-th Smallest Prime Fraction	Medium	Java	May
132	11/5/24	Minimum Cost to Hire K Workers	Hard	Java	May
133	12/5/24	Largest Local Values in a Matrix	Easy	Java	May
134	13/5/24	Score After Flipping Matrix	Medium	Java	May
135	14/5/24	Path with Maximum Gold	Medium	Java	May
136	15/5/24	Find the Safest Path in a Grid	Medium	Java	May
137	16/5/24	Evaluate Boolean Binary Tree	Easy	Java	May
138	17/5/24	Delete Leaves With a Given Value	Medium	Java	May
139	18/5/24	Distribute Coins in Binary Tree	Medium	Java	May
140	19/5/24	Find the Maximum Sum of Node Values	Hard	Java	Java
141	20/5/24	Sum of All Subset XOR Totals	Easy	Java	May
142	21/5/24	Subsets	Medium	Java	May
143	22/5/24	Palindrome Partitioning	Medium	Java	May
144	23/5/24	The Number of Beautiful Subsets	Medium	Java	May
145	24/5/24	Maximum Score Words Formed by Letters	Hard	Java	May
146	25/5/24	Word Break II	Hard	Java	May
147	26/5/24	Student Attendance Record II	Hard	Java	May
148	27/5/24	Special Array With X Elements Greater Than or Equal X	Easy	Java	May
149	28/5/24	Get Equal Substrings Within Budget	Medium	Java	May
150	29/5/24	Number of Steps to Reduce a Number in Binary Representation to One	Medium	Java	May
151	30/5/24	Count Triplets That Can Form Two Arrays of Equal XOR	Medium	Java	May
152	31/5/24	Single Number III	Medium	Java	May
153	1/6/24	Score of a String	Easy	Java	June
154	2/6/24	Reverse String	Easy	Java	June
155	3/6/24	Append Characters to String to Make Subsequence	Medium	Java	June
156	4/6/24	Longest Palindrome	Easy	Java	June
157	5/6/24	Find Common Characters	Easy	Java	June
158	6/6/24	Hand of Straights	Medium	Java	June
159	7/6/24	Replace Words	Medium	Java	June
160	8/6/24	Continuous Subarray Sum	Medium	Java	June
161	9/6/24	Subarray Sums Divisible by K	Medium	Java	June
162	10/6/24	Height Checker	Easy	Java	June
163	11/6/24	Relative Sort Array	Easy	Java	June
164	12/6/24	Sort Colors	Medium	Java	June
165	13/6/24	Minimum Number of Moves to Seat Everyone	Easy	Java	June
166	14/6/24	Minimum Increment to Make Array Unique	Medium	Java	June
167	15/6/24	IPO	Hard	Java	June
168	16/6/24	Patching Array	Hard	Java	June
169	17/6/24	Sum of Square Numbers	Medium	Java	June
170	18/6/24	Most Profit Assigning Work	Medium	Java	June
171	19/6/24	Minimum Number of Days to Make m Bouquets	Medium	Java	June
172	20/6/24	Magnetic Force Between Two Balls	Medium	Java	June
173	21/6/24	Grumpy Bookstore Owner	Medium	Java	June
174	22/6/24	Count Number of Nice Subarrays	Medium	Java	June
175	23/6/24	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	Medium	Java	June
176	24/6/24	Minimum Number of K Consecutive Bit Flips	Hard	Java	June
177	25/6/24	Binary Search Tree to Greater Sum Tree	Medium	Java	June
178	26/6/24	Balance a Binary Search Tree	Medium	Java	June
179	27/6/24	Find Center of Star Graph	Easy	Java	June
180	28/6/24	Maximum Total Importance of Roads	Medium	Java	June
181	29/6/24	All Ancestors of a Node in a Directed Acyclic Graph	Medium	Java	June
182	30/6/24	Remove Max Number of Edges to Keep Graph Fully Traversable	Hard	Java	June
183	1/7/24	Three Consecutive Odds	Easy	Java	July
184	2/7/24	Intersection of Two Arrays II	Easy	Java	July
185	3/7/24	Minimum Difference Between Largest and Smallest Value in Three Moves	Medium	Java	July
186	4/7/24	Merge Nodes in Between Zeros	Medium	Java	July
187	5/7/24	Find the Minimum and Maximum Number of Nodes Between Critical Points	Medium	Java	July
188	6/7/24	Pass the Pillow	Easy	Java	July
189	7/7/24	Water Bottles	Easy	Java	July
190	8/7/24	Find the Winner of the Circular Game	Medium	Java	July
191	9/7/24	Average Waiting Time	Medium	Java	July
192	10/7/24	Crawler Log Folder	Easy	Java	July
193	11/7/24	Reverse Substrings Between Each Pair of Parentheses	Medium	Java	July
194	12/7/24	Maximum Score From Removing Substrings	Medium	Java	July
195	13/7/24	Robot Collisions	Hard	Java	July
196	14/7/24	Number of Atoms	Hard	Java	July
197	15/7/24	Create Binary Tree From Descriptions	Medium	Java	July
198	16/7/24	Step-By-Step Directions From a Binary Tree Node to Another	Medium	Java	July
199	17/7/24	Delete Nodes And Return Forest	Medium	Java	July
200	18/7/24	Number of Good Leaf Nodes Pairs	Medium	Java	July
201	19/7/24	Lucky Numbers in a Matrix	Easy	Java	July
202	20/7/24	Find Valid Matrix Given Row and Column Sums	Medium	Java	July
203	21/7/24	Build a Matrix With Conditions	Hard	Java	July
204	22/7/24	Sort the People	Easy	Java	July
205	23/7/24	Sort Array by Increasing Frequency	Easy	Java	July
206	24/7/24	Sort the Jumbled Numbers	Medium	Java	July
207	25/7/24	Sort an Array	Medium	Java	July
208	26/7/24	Find the City With the Smallest Number of Neighbors at a Threshold Distance	Medium	Java	July
209	27/7/24	Minimum Cost to Convert String I	Medium	Java	July
210	28/7/24	Second Minimum Time to Reach Destination	Hard	Java	July
211	29/7/24	Count Number of Teams	Medium	Java	July
212	30/7/24	Minimum Deletions to Make String Balanced	Medium	Java	July
213	31/7/24	Filling Bookcase Shelves	Medium	Java	July