LeetCode Archive

This is my LeetCode practice archive repo! This repo consist of a meticulously curated collection of my solutions to various LeetCode problems, each accompanied by thorough unit testing using Python3.

Highlights:

Valid Solution: Every problem in this repository is valid and can be used directly onto submission.
Reliable Testing: Each solution is tested with three test cases, ensuring robust functionality and correctness.
Python3 Implementation: Each solution is solved using Python3 programming language.

Your feedback and suggestions are always welcome. Thank You!

LeetCode Stats

Last Updated : 17/04/2024

Link : Alfadhil

Rank: 517.377

Solved: 167

Hard: 18
Medium: 87
Easy: 62

Name		Name	Last commit message	Last commit date
Latest commit History 73 Commits
1. Two Sum		1. Two Sum
10. Regular Expression Matching		10. Regular Expression Matching
100. Same Tree		100. Same Tree
1026. Maximum Difference Between Node and Ancestor		1026. Maximum Difference Between Node and Ancestor
1043. Partition Array for Maximum Sum		1043. Partition Array for Maximum Sum
1074. Number of Submatrices That Sum to Target		1074. Number of Submatrices That Sum to Target
11. Container With Most Water		11. Container With Most Water
1137. N-th Tribonacci Number		1137. N-th Tribonacci Number
1143. Longest Common Subsequence		1143. Longest Common Subsequence
115. Distinct Subsequences		115. Distinct Subsequences
1160. Find Words That Can Be Formed by Characters		1160. Find Words That Can Be Formed by Characters
1171. Remove Zero Sum Consecutive Nodes from Linked List		1171. Remove Zero Sum Consecutive Nodes from Linked List
12. Integer to Roman		12. Integer to Roman
120. Triangle		120. Triangle
1207. Unique Number of Occurrences		1207. Unique Number of Occurrences
1235. Maximum Profit in Job Scheduling		1235. Maximum Profit in Job Scheduling
1239. Maximum Length of a Concatenated String with Unique Characters		1239. Maximum Length of a Concatenated String with Unique Characters
1249. Minimum Remove to Make Valid Parentheses		1249. Minimum Remove to Make Valid Parentheses
1266. Minimum Time Visiting All Points		1266. Minimum Time Visiting All Points
1289. Minimum Falling Path Sum II		1289. Minimum Falling Path Sum II
129. Sum Root to Leaf Numbers		129. Sum Root to Leaf Numbers
1291. Sequential Digits		1291. Sequential Digits
13. Roman to Integer		13. Roman to Integer
1342. Number of Steps to Reduce a Number to Zero		1342. Number of Steps to Reduce a Number to Zero
1347. Minimum Number of Steps to Make Two Strings Anagram		1347. Minimum Number of Steps to Make Two Strings Anagram
139. Word Break		139. Word Break
14. Longest Common Prefix		14. Longest Common Prefix
141. Linked List Cycle		141. Linked List Cycle
143. Reorder List		143. Reorder List
1457. Pseudo-Palindromic Paths in a Binary Tree		1457. Pseudo-Palindromic Paths in a Binary Tree
1463. Cherry Pickup II		1463. Cherry Pickup II
1480. Running Sum of 1d Array		1480. Running Sum of 1d Array
1481. Least Number of Unique Integers after K Removals		1481. Least Number of Unique Integers after K Removals
15. 3Sum		15. 3Sum
150. Evaluate Reverse Polish Notation		150. Evaluate Reverse Polish Notation
1544. Make The String Great		1544. Make The String Great
16. 3Sum Closest		16. 3Sum Closest
1609. Even Odd Tree		1609. Even Odd Tree
1611. Minimum One Bit Operations to Make Integers Zero		1611. Minimum One Bit Operations to Make Integers Zero
1614. Maximum Nesting Depth of the Parentheses		1614. Maximum Nesting Depth of the Parentheses
1642. Furthest Building You Can Reach		1642. Furthest Building You Can Reach
165. Compare Version Numbers		165. Compare Version Numbers
1657. Determine if Two Strings Are Close		1657. Determine if Two Strings Are Close
1662. Check If Two String Arrays are Equivalent		1662. Check If Two String Arrays are Equivalent
1669. Merge In Between Linked Lists		1669. Merge In Between Linked Lists
1672. Richest Customer Wealth		1672. Richest Customer Wealth
1688. Count of Matches in Tournament		1688. Count of Matches in Tournament
169. Majority Element		169. Majority Element
1700. Number of Students Unable to Eat Lunch		1700. Number of Students Unable to Eat Lunch
1704. Determine if String Halves Are Alike		1704. Determine if String Halves Are Alike
1716. Calculate Money in Leetcode Bank		1716. Calculate Money in Leetcode Bank
1750. Minimum Length of String After Deleting Similar Ends		1750. Minimum Length of String After Deleting Similar Ends
19. Remove Nth Node From End of List		19. Remove Nth Node From End of List
1903. Largest Odd Number in String		1903. Largest Odd Number in String
191. Number of 1 Bits		191. Number of 1 Bits
1915. Number of Wonderful Substrings		1915. Number of Wonderful Substrings
1971. Find if Path Exists in Graph		1971. Find if Path Exists in Graph
198. House Robber		198. House Robber
1992. Find All Groups of Farmland		1992. Find All Groups of Farmland
2. Add Two Numbers		2. Add Two Numbers
200. Number of Islands		200. Number of Islands
2000. Reverse Prefix of Word		2000. Reverse Prefix of Word
201. Bitwise AND of Numbers Range		201. Bitwise AND of Numbers Range
205. Isomorphic Strings		205. Isomorphic Strings
206. Reverse Linked List		206. Reverse Linked List
2073. Time Needed to Buy Tickets		2073. Time Needed to Buy Tickets
2092. Find All People With Secret		2092. Find All People With Secret
2108. Find First Palindromic String in the Array		2108. Find First Palindromic String in the Array
2125. Number of Laser Beams in a Bank		2125. Number of Laser Beams in a Bank
2147. Number of Ways to Divide a Long Corridor		2147. Number of Ways to Divide a Long Corridor
2149. Rearrange Array Elements by Sign		2149. Rearrange Array Elements by Sign
221. Maximal Square		221. Maximal Square
2225. Find Players With Zero or One Losses		2225. Find Players With Zero or One Losses
2264. Largest 3-Same-Digit Number in String		2264. Largest 3-Same-Digit Number in String
231. Power of Two		231. Power of Two
232. Implement Queue using Stacks		232. Implement Queue using Stacks
234. Palindrome Linked List		234. Palindrome Linked List
2370. Longest Ideal Subsequence		2370. Longest Ideal Subsequence
238. Product of Array Except Self		238. Product of Array Except Self
2385. Amount of Time for Binary Tree to Be Infected		2385. Amount of Time for Binary Tree to Be Infected
2402. Meeting Rooms III		2402. Meeting Rooms III
2441. Largest Positive Integer That Exists With Its Negative		2441. Largest Positive Integer That Exists With Its Negative
2444. Count Subarrays With Fixed Bounds		2444. Count Subarrays With Fixed Bounds
2485. Find the Pivot Integer		2485. Find the Pivot Integer
2540. Minimum Common Value		2540. Minimum Common Value
2610. Convert an Array Into a 2D Array With Conditions		2610. Convert an Array Into a 2D Array With Conditions
268. Missing Number		268. Missing Number
27. Remove Element		27. Remove Element
2709. Greatest Common Divisor Traversal		2709. Greatest Common Divisor Traversal
279. Perfect Squares		279. Perfect Squares
2864. Maximum Odd Binary Number		2864. Maximum Odd Binary Number
287. Find the Duplicate Number		287. Find the Duplicate Number
2870. Minimum Number of Operations to Make Array Empty		2870. Minimum Number of Operations to Make Array Empty
2951. Find the Peaks		2951. Find the Peaks
2958. Length of Longest Subarray With at Most K Frequency		2958. Length of Longest Subarray With at Most K Frequency
2962. Count Subarrays Where Max Element Appears at Least K Times		2962. Count Subarrays Where Max Element Appears at Least K Times
2966. Divide Array Into Arrays With Max Difference		2966. Divide Array Into Arrays With Max Difference
2971. Find Polygon With the Largest Perimeter		2971. Find Polygon With the Largest Perimeter
2997. Minimum Number of Operations to Make Array XOR Equal to K		2997. Minimum Number of Operations to Make Array XOR Equal to K
3. Longest Substring Without Repeating Characters		3. Longest Substring Without Repeating Characters

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