Jan 22
Day 38 / #100DaysOfCode 🚀 | Saraswati Puja 🙏📚
Solved LeetCode 41 – First Missing Positive (HARD) using in-place indexing — O(n) time, O(1) space.
Learning, discipline & interview prep go hand in hand.
#DSA #LeetCodeHard #Placements #CPlusPlus #SaraswatiPuja #Learning
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188
24 Oct 2025
Solved LeetCode 23 — Merge k Sorted Lists! 🧩💻
**#LeetCode #100DaysOfCode #Python #DSA #CodingChallenge #LeetCodeHard #Programmer #Coders #LinkedList #TechTwitter #Problemlving
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7 Sep 2025
🚀 Day 9 of #100DaysOfLeetCodeHard
📌 Problem: 3677. Count Binary Palindromic Numbers
✨ Since n ≤ 1e15 ⇒ binary length ≤ 50, brute-force DFS works fine.
⚡ Passed with “better than 0% runtime” 🤣 . still counts ✅
#LeetCodeHard #100DaysChallenge #DSA #CompetitiveProgramming
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75
4 Sep 2025
🚀 Day 7 of #100DaysOfLeetCodeHard
📌 Problem: 952. Largest Component Size by Common Factor
✨ One of the coolest DSU problems I’ve solved so far!
⏱ TC: ~O(n · log(maxA)) with DSU factorization
#LeetCodeHard #100DaysChallenge #DSA #CompetitiveProgramming
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18 Aug 2025
🚀 LeetCode 987 - Vertical Order Traversal
✔️ Built tree from inorder and preorder
✔️ Nailed vertical grouping with row and value sort
✔️ Solved range query problems
Feeling sharper with every node 💪 #LeetCodeHard #BinaryTree #DSAinJava #CodingJourney #100DaysOfCode
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18 Jul 2025
Today I solve Problem All O`one Data Structure, I solve it in very easy way by using HashMap Approach, but it gives TLE and passes 19/24 test cases I will improve my solution. #LeetCode #Java #DSA #Day1 #100DaysOfCode #CodingChallenge #LeetcodeHard
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18 Jul 2025
Max on the left, Min on the right
Heaps keep it lean like code in flight
Store running sums, no brute in sight
Slide through the middle with logic tight
Balance the halves, get that diff just right
#DevLife #DSA #leetcodehard
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44
13 Jul 2025
Today I solve Linkedlist Remove Duplicates from Sorted List II, I solve it in very easy way by using DummyNode Approach, see my solution it will definitely help you. #LeetCode #Java #DSA #Day1 #100DaysOfCode #CodingChallenge #LeetcodeHard
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9 Jul 2025
Solved a twist on the classic "Add Two Numbers" problem today! 🔢
Digits were in normal order (MSD first), so I used Stacks to simulate reverse addition. 🚀
Input: [7,2,4,3] [5,6,4]
Output: [7,8,0,7] 💥
#LeetCode #Java #DSA #Day1 #100DaysOfCode #CodingChallenge #LeetcodeHard
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8 Jul 2025
day 23 of #100DaysOfCode
Solved LeetCode 1751: Max Events You Can Attend II 🧠🎯
Used DP Binary Search to find the optimal combination of non-overlapping events with max value.
Efficient O(n·k·log n) solution!
#LeetCodeHard #DynamicProgramming #Python #CodingChallenge
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7 Jul 2025
Solved: 🔄 Swap Nodes in a Linked List on #LeetCode
Used a clean two-pointer trick for a 1-pass O(n) solution 💡
Smarter, not harder.
#LeetCode #Java #DSA #Day1 #100DaysOfCode #CodingChallenge #LeetcodeHard
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105
5 Jul 2025
Today I solve Linkedlist Problem Rotate List, I solve it in very easy way by break the list into two parts, approach, see my solution it will definitely help you. #LeetCode #Java #DSA #Day1 #100DaysOfCode #CodingChallenge #LeetcodeHard @kunalstwt
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2 Jul 2025
day 11 of #100DaysOfCode
✅ Solved a hard DP problem: "Find the Original Typed String II"
🧠 Used run-length encoding knapsack-style DP with state capping
📈 Optimized with difference array
🎯 Passed all test cases efficiently (O(n m·k))!
#Python #DP #LeetcodeHard
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80
29 Jun 2025
Today I solve 132 Pattern Problem on Leetcode , I solve it in very easy way by using Stacks in O(n) TC, see my solution it will definitely help you. #LeetCode #Java #DSA #Day1 #100DaysOfCode #CodingChallenge #LeetcodeHard
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25 Jun 2025
“Stop trying to solve every pair. You're not special. You're not a beautiful brute-force snowflake.”
That’s how Tyler would do it.
That’s how you win the fight.
#100DaysOfCode #FightClub #BinarySearch #CodeWithGrit #LeetcodeHard
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19 Jun 2025
Today I solve Linkedlist Problem Reorder List, I solve it in very easy way by using Slow & Fast Pointer Approach, see my solution it will definitely help you.
#LeetCode #Java #DSA #Day1 #100DaysOfCode #CodingChallenge #LeetcodeHard
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467
11 Jun 2025
Day 0 Today I solve Linkedlist Problem Copy List With Random Pointers, I solve it in very easy way by using HashMap, see my solution it will definitely help you.
#LeetCode #Java #DSA #Day1 #100DaysOfCode #CodingChallenge #LeetcodeHard
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223
2 Jun 2025
Used to get nightmares hearing “Leetcode Hard.”
Today I solved one.
No, the world didn’t end.
But my imposter syndrome did—temporarily. 😎
#DSA #LeetcodeHard #FeelingLikeSDE3Now #Java #Leetcode #DSA
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30 Apr 2025
🚀 Day 1 of my LeetCode grind!
Solved: 1808. Maximize Number of Nice Divisors (HARD)
📌 Tip: Break into 3s to maximize product
🛠️ Used modular exponentiation in Java
Back in action. On to Day 2! 🔥
#LeetCode #Java #DSA #Day1 #100DaysOfCode #CodingChallenge #LeetcodeHard
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26 Mar 2025
"LeetCode Easy? More like 'Easy to Question My Life Choices!' 😂💻
Check Out FastCode Today👇
tryfastcode.com/
Let me know if you want a different vibe!
#CodingStruggles #LeetCodeHard
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