Skip to content
/ DLC Public

Beginner-friendly Leetcode Challenges! 🧩 Python solutions to help you practice, learn, and grow in problem-solving & coding."

github.com/ishanwalia7579/Daily-Leetcode-Challenge

License

MIT license
4 stars 0 forks Branches Tags Activity
Star
Notifications You must be signed in to change notification settings

ishan-walia/DLC

BranchesTags

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 

History

363 Commits
Cheat-Sheet
Cheat-Sheet
 
 
Leetcode/solution/3433. Count Mentions Per User
Leetcode/solution/3433. Count Mentions Per User
 
 
Photo
Photo
 
 
Photo
Photo
 
 
1.jpg
1.jpg
 
 
1007. Minimum Domino Rotations For Equal Row.md
1007. Minimum Domino Rotations For Equal Row.md
 
 
1028. Recover a Tree From Preorder Traversal.md
1028. Recover a Tree From Preorder Traversal.md
 
 
1061. Lexicographically Smallest Equivalent String.md
1061. Lexicographically Smallest Equivalent String.md
 
 
1079. Letter Tile Possibilities.md
1079. Letter Tile Possibilities.md
 
 
1092. Shortest Common Super sequence.md
1092. Shortest Common Super sequence.md
 
 
1123. Lowest Common Ancestor of Deepest Leaves.md
1123. Lowest Common Ancestor of Deepest Leaves.md
 
 
1128. Number of Equivalent Domino Pairs.md
1128. Number of Equivalent Domino Pairs.md
 
 
118. Pascal's Triangle.md
118. Pascal's Triangle.md
 
 
1233. Remove Sub-Folders from the Filesystem.md
1233. Remove Sub-Folders from the Filesystem.md
 
 
1261. Find Elements in a Contaminated Binary Tree.md
1261. Find Elements in a Contaminated Binary Tree.md
 
 
1267. Count Servers that Communicate.md
1267. Count Servers that Communicate.md
 
 
1277. Count Square Submatrices with All Ones.md
1277. Count Square Submatrices with All Ones.md
 
 
1290. Convert Binary Number in a Linked List to Integer.md
1290. Convert Binary Number in a Linked List to Integer.md
 
 
1295. Find Numbers with Even Number of Digits.md
1295. Find Numbers with Even Number of Digits.md
 
 
1298. Maximum Candies You Can Get from Boxes.md
1298. Maximum Candies You Can Get from Boxes.md
 
 
1323. Maximum 69 Number.md
1323. Maximum 69 Number.md
 
 
135. Candy.md
135. Candy.md
 
 
1352. Product of the Last K Numbers.md
1352. Product of the Last K Numbers.md
 
 
1353. Maximum Number of Events That Can Be Attended.md
1353. Maximum Number of Events That Can Be Attended.md
 
 
1358. Number of Substrings Containing All Three Characters.md
1358. Number of Substrings Containing All Three Characters.md
 
 
1368. Minimum Cost to Make at Least One Valid Path in a Grid.md
1368. Minimum Cost to Make at Least One Valid Path in a Grid.md
 
 
1394. Find Lucky Integer in an Array.md
1394. Find Lucky Integer in an Array.md
 
 
1399. Count Largest Group.md
1399. Count Largest Group.md
 
 
1400. Construct K Palindrome Strings.md
1400. Construct K Palindrome Strings.md
 
 
1415. The k-th Lexicographical String of All Happy Strings of Length n.md
1415. The k-th Lexicographical String of All Happy Strings of Length n.md
 
 
1432. Max Difference You Can Get From Changing an Integer.md
1432. Max Difference You Can Get From Changing an Integer.md
 
 
1462. Course Schedule IV.md
1462. Course Schedule IV.md
 
 
1493. Longest Subarray of 1's After Deleting One Element.md
1493. Longest Subarray of 1's After Deleting One Element.md
 
 
1498. Number of Subsequences That Satisfy the Given Sum Condition.md
1498. Number of Subsequences That Satisfy the Given Sum Condition.md
 
 
1504. Count Submatrices With All Ones.md
1504. Count Submatrices With All Ones.md
 
 
1524. Number of Sub-arrays With Odd Sum.md
1524. Number of Sub-arrays With Odd Sum.md
 
 
1534. Count Good Triplets.md
1534. Count Good Triplets.md
 
 
1550. Three Consecutive Odds.md
1550. Three Consecutive Odds.md
 
 
1695. Maximum Erasure Value.md
1695. Maximum Erasure Value.md
 
 
1717. Maximum Score From Removing Substrings.md
1717. Maximum Score From Removing Substrings.md
 
 
1718. Construct the Lexicographically Largest Valid Sequence.md
1718. Construct the Lexicographically Largest Valid Sequence.md
 
 
1726. Tuple with Same Product.md
1726. Tuple with Same Product.md
 
 
1749. Maximum Absolute Sum of Any Subarray.md
1749. Maximum Absolute Sum of Any Subarray.md
 
 
1751. Maximum Number of Events That Can Be Attended II.md
1751. Maximum Number of Events That Can Be Attended II.md
 
 
1752. Check if Array Is Sorted and Rotated.md
1752. Check if Array Is Sorted and Rotated.md
 
 
1765. Map of Highest Peak.md
1765. Map of Highest Peak.md
 
 
1780. Check if Number is a Sum of Powers of Three.md
1780. Check if Number is a Sum of Powers of Three.md
 
 
1790. Check if One String Swap Can Make Strings Equal.md
1790. Check if One String Swap Can Make Strings Equal.md
 
 
1792. Maximum Average Pass Ratio.md
1792. Maximum Average Pass Ratio.md
 
 
1800. Maximum Ascending Subarray Sum.md
1800. Maximum Ascending Subarray Sum.md
 
 
1857. Largest Color Value in a Directed Graph.md
1857. Largest Color Value in a Directed Graph.md
 
 
1863. Sum of All Subset XOR Totals.md
1863. Sum of All Subset XOR Totals.md
 
 
1865. Finding Pairs With a Certain Sum.md
1865. Finding Pairs With a Certain Sum.md
 
 
1900. The Earliest and Latest Rounds Where Players Compete.md
1900. The Earliest and Latest Rounds Where Players Compete.md
 
 
1910. Remove All Occurrences of a Substring.md
1910. Remove All Occurrences of a Substring.md
 
 
1920. Build Array from Permutation.md
1920. Build Array from Permutation.md
 
 
1922. Count Good Numbers.md
1922. Count Good Numbers.md
 
 
1931. Painting a Grid With Three Different Colors.md
1931. Painting a Grid With Three Different Colors.md
 
 
1948. Delete Duplicate Folders in System.md
1948. Delete Duplicate Folders in System.md
 
 
1957. Delete Characters to Make Fancy String.md
1957. Delete Characters to Make Fancy String.md
 
 
1976. Number of Ways to Arrive at Destination.md
1976. Number of Ways to Arrive at Destination.md
 
 
1980. Find Unique Binary String.md
1980. Find Unique Binary String.md
 
 
2.jpg
2.jpg
 
 
2014. Longest Subsequence Repeated k Times.md
2014. Longest Subsequence Repeated k Times.md
 
 
2016. Maximum Difference Between Increasing Elements.md
2016. Maximum Difference Between Increasing Elements.md
 
 
2017. Grid Game.md
2017. Grid Game.md
 
 
2033. Minimum Operations to Make a Uni-Value Grid.md
2033. Minimum Operations to Make a Uni-Value Grid.md
 
 
2040. Kth Smallest Product of Two Sorted Arrays.md
2040. Kth Smallest Product of Two Sorted Arrays.md
 
 
2044. Count Number of Maximum Bitwise-OR Subsets.md
2044. Count Number of Maximum Bitwise-OR Subsets.md
 
 
2071. Maximum Number of Tasks You Can Assign.md
2071. Maximum Number of Tasks You Can Assign.md
 
 
2081. Sum of k-Mirror Numbers.md
2081. Sum of k-Mirror Numbers.md
 
 
2094. Finding 3-Digit Even Numbers.md
2094. Finding 3-Digit Even Numbers.md
 
 
2099. Find Subsequence of Length K With the Largest Sum.md
2099. Find Subsequence of Length K With the Largest Sum.md
 
 
2106. Maximum Fruits Harvested After at Most K Steps.md
2106. Maximum Fruits Harvested After at Most K Steps.md
 
 
2115. Find All Possible Recipes from Given Supplies.md
2115. Find All Possible Recipes from Given Supplies.md
 
 
2116. Check if a Parentheses String Can Be Valid.md
2116. Check if a Parentheses String Can Be Valid.md
 
 
2127. Maximum Employees to Be Invited to a Meeting.md
2127. Maximum Employees to Be Invited to a Meeting.md
 
 
2131. Longest Palindrome by Concatenating Two Letter Words.md
2131. Longest Palindrome by Concatenating Two Letter Words.md
 
 
2138. Divide a String Into Groups of Size k.md
2138. Divide a String Into Groups of Size k.md
 
 
2140. Solving Questions With Brainpower.md
2140. Solving Questions With Brainpower.md
 
 
2161. Partition Array According to Given Pivot.md
2161. Partition Array According to Given Pivot.md
 
 
2163. Minimum Difference in Sums After Removal of Elements.md
2163. Minimum Difference in Sums After Removal of Elements.md
 
 
2176. Count Equal and Divisible Pairs in an Array.md
2176. Count Equal and Divisible Pairs in an Array.md
 
 
2179. Count Good Triplets in an Array.md
2179. Count Good Triplets in an Array.md
 
 
2200. Find All K-Distant Indices in an Array.md
2200. Find All K-Distant Indices in an Array.md
 
 
2206. Divide Array Into Equal Pairs.md
2206. Divide Array Into Equal Pairs.md
 
 
2210. Count Hills and Valleys in an Array.md
2210. Count Hills and Valleys in an Array.md
 
 
2226. Maximum Candies Allocated to K Children.md
2226. Maximum Candies Allocated to K Children.md
 
 
2264. Largest 3-Same-Digit Number in String.md
2264. Largest 3-Same-Digit Number in String.md
 
 
2294. Partition Array Such That Maximum Difference Is K.md
2294. Partition Array Such That Maximum Difference Is K.md
 
 
2302. Count Subarrays With Score Less Than K.md
2302. Count Subarrays With Score Less Than K.md
 
 
231. Power of Two.md
231. Power of Two.md
 
 
2311. Longest Binary Subsequence Less Than or Equal to K.md
2311. Longest Binary Subsequence Less Than or Equal to K.md
 
 
2322. Minimum Score After Removals on a Tree.md
2322. Minimum Score After Removals on a Tree.md
 
 
2338. Count the Number of Ideal Arrays.md
2338. Count the Number of Ideal Arrays.md
 
 
2342. Max Sum of a Pair With Equal Sum of Digits.md
2342. Max Sum of a Pair With Equal Sum of Digits.md
 
 
2348. Number of Zero-Filled Subarrays.md
2348. Number of Zero-Filled Subarrays.md
 
 
2349. Design a Number Container System.md
2349. Design a Number Container System.md
 
 
2359. Find Closest Node to Given Two Nodes.md
2359. Find Closest Node to Given Two Nodes.md
 
 
2364. Count Number of Bad Pairs.md
2364. Count Number of Bad Pairs.md
 
 

Repository files navigation

Leetcode Daily Challenges

Welcome to my Leetcode Daily Challenge Repository! 🚀

About

This repository is dedicated to tracking my daily progress on Leetcode coding challenges. Each day, I solve a new problem, analyze its solution, and document the approach and code here. The goal is to strengthen my problem-solving skills and build a robust understanding of algorithms and data structures.

Structure

Each challenge is organized as follows:

  • Date: The date I solved the challenge.
  • Problem Title: Name of the challenge with a link to the problem on Leetcode.
  • Solution: My code implementation in Python (or other languages if applicable).
  • Explanation: A brief explanation of my approach and the logic behind the solution.

How to Use

Feel free to explore the solutions and approaches in this repository. It can serve as:

  • A learning resource for others tackling similar challenges.
  • A progress tracker for myself to measure growth over time.

Challenges Log

Sr.No Date Problem Title Difficulty Solution Link
1. 10-01-2025 916 Word Subsets Medium Kotlin,Java,Python
2. 11-01-2025 1400. Construct K Palindrome Strings Medium Kotlin
3. 12-01-2025 2116. Check if a Parentheses String Can Be Valid Medium Kotlin,PHP,Java,Python 3, Go
4. 13-01-2025 3223. Minimum Length of String After Operations Medium Java,PHP,Kotlin,Python 3
5. 14-01-2025 2657. Find the Prefix Common Array of Two Arrays Medium Kotlin,Java,PHP
6. 15-01-2025 2429. Minimize XOR Medium Java
7. 16-01-2025 2425. Bitwise XOR of All Pairings Medium Python,Kotlin,Java
8. 17-01-2025 2683. Neighboring Bitwise XOR Medium Python,Kotlin,Java,C
9. 18-01-2025 1368 Minimum Cost to Make at Least One Valid Path in a Grid Medium Python,Java
10. 19-01-2025 407. Trapping Rain Water II Hard Python,Java,kotlin
11. 20-01-2025 2661. First Completely Painted Row or Column Medium Java,kotlin
11. 21-01-2025 2017. Grid Game Medium Java,kotlin,python
12. 22-01-2025 1765. Map of Highest Peak Medium Java,kotlin,python
13. 23-01-2025 1267. Count Servers that Communicate Medium Java,kotlin
14. 24-01-2025 802. Find Eventual Safe States Medium kotlin
15. 25-01-2025 2948. Make Lexicographically Smallest Array by Swapping Elements Medium kotlin
16. 26-01-2025 2127. Maximum Employees to Be Invited to a Meeting Medium kotlin
17. 27-01-2025 1462. Course Schedule IV Medium C++
18. 28-01-2025 2658. Maximum Number of Fish in a Grid Medium Kotlin
19. 29-01-2025 Redundant Connection Medium Kotlin
20. 30-01-2025 Divide Nodes Into the Maximum Number of Groups Medium Kotlin
21. 31-01-2025 827. Making A Large Island Hard Kotlin
22. 1-02-2025 Special Array I Medium Java
23. 2-02-2025 1752. Check if Array Is Sorted and Rotated Easy Kotlin
24. 3-02-2025 3105. Longest Strictly Increasing or Strictly Decreasing Subarray Easy Kotlin
25. 4-02-2025 Maximum Ascending Subarray Sum Easy c
26. 5-02-2025 1790. Check if One String Swap Can Make Strings Equal Easy c
27. 6-02-2025 1726. Tuple with Same Product Medium Kotlin

Note: The Challenges Log will be updated daily as I complete new problems.

Goals

  • Solve at least one problem every day.
  • Document solutions with clear explanations.
  • Cover problems across different topics (arrays, strings, graphs, etc.).
  • Improve coding speed and accuracy.

Contact

If you have suggestions, feedback, or want to discuss solutions, feel free to reach out:

Let's keep the streak going! 💪

About

Beginner-friendly Leetcode Challenges! 🧩 Python solutions to help you practice, learn, and grow in problem-solving & coding."

github.com/ishanwalia7579/Daily-Leetcode-Challenge

Topics

kotlin python java leetcode coder daily-coding-problem githubcode sourcescode

Resources

Readme

License

MIT license

Security policy

Security policy
Activity

Stars

4 stars

Watchers

1 watching

Forks

0 forks
Report repository

Releases

No releases published

Packages

No packages published