Apr 27
Day 188 of DSA.
Revised string matching patterns today — focused on two core algorithms:
KMP (Knuth–Morris–Pratt)
Rabin-Karp (rolling hash idea)
Consistency > complexity.
#DSA #StringAlgorithms #KMP #RabinKarp #CodingJourney
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1,557
Feb 12
#Day43 Strike DSA GenAI | #DSA by @rohit_negi9
Today's Learning:-
• Minimum chars to make palindrome (KMP approach)
• Repeated String Match problem
• LPS array construction
• Optimized substring search
• Pattern recognition > brute force
#KMP #StringAlgorithms #DSA #genAi
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6
59
21 Nov 2025
🚀 Day 485 of Code 🚀
Solved :
✅ 1930. Unique Length-3 Palindromic Subsequences
#Day485 #LeetCode #DSA #ProblemSolving #StringAlgorithms #Palindrome #Algorithm #DataStructures #100DaysOfCode
2
14
13 Oct 2025
🚀 Day 446 of Code 🚀
Solved :
✅ 2273. Find Resultant Array After Removing Anagrams
#Day446 #LeetCode #DSA #ProblemSolving #StringAlgorithms #CodingJourney #100DaysOfCode #TechCommunity #Algorithms #DataStructures
2
10
30 Aug 2025
🚀 Day 91/100: From HashMaps to Sliding Windows → Solving String Problems Efficiently!
1624. Largest Substring Between Two Equal Characters
567. Permutation in String
#JavaWithDSA #StringAlgorithms #HashMap #SlidingWindow #ProblemSolving #CodingChallenge #DSA #LeetCode #Tech
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9
52
26 Aug 2025
🚀Day 87/100: Mastering Strings – From Repeated Patterns to Palindrome Power.
459. Repeated Substring Pattern
1332. Remove Palindromic Subsequences
#Java #LeetCode #DSA #StringAlgorithms #Palindrome #Substring #CodingChallenge #SoftwareEngineering #CodingJourney #connect
3
20
12 Aug 2025
✅ Solved "Sort Characters by Frequency"!
-Dictionary counting lambda sorting = clean solution -Love how char * freq rebuilds the string perfectly! 🔢
I tried to keep it concise
SOLUTION:
leetcode.com/problems/sort-c…
#LeetCode #Python #Sorting #DictionaryMagic #StringAlgorithms
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8 Aug 2025
Day 128 of #GFG160
Today's challenge: 🔁 Longest Proper Prefix which is also Suffix!
Mastering KMP's 🔍 LPS array to efficiently find overlapping prefix-suffix patterns.
@geeksforgeeks
#GFG160 #GeekStreak2025 #StringAlgorithms #KMP #CodingChallenge 💻🚀
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27 Jul 2025
Day 22 – DSA with @rohit_negi9
Today’s focus: KMP Pattern-based String Problems
🔹 Longest Prefix Suffix (LPS)
🔹 First Occurrence of Substring
🔹 Min characters to add to make a string palindrome
#DSA #100DaysOfCode #CodeNewbie #StringAlgorithms
3
46
19 Jul 2025
🚀 Day 361 of Code 🚀
Solved:
✅ 3618. Split Array by Prime Indices
✅ 3619. Count Islands With Total Value Divisible by K
✅ 1233. Remove Sub-Folders from the Filesystem
#Day361 #LeetCode #DSA #DailyProblem #ProblemSolving #DFS #StringAlgorithms #PrimeNumbers #100DaysOfCode
7
58
19 Jul 2025
Day 108 of #GFG160
Today's challenge: 🧮 Count Distinct Strings from Vowel Picks!
Select vowels, choose positions, permute — how many unique strings can we build? 🔤🧠
Backtracking Permutations = 🔥
@geeksforgeeks
#GFG160 #geekstreak2025 #StringAlgorithms #Backtracking 💻✨
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14
1 Jul 2025
🔥 Day 90 of #GFG160
Today's challenge: Substrings of Length k with k-1 Distinct Elements! 🔍
Sliding Window Hash Map 🧠
Count how many substrings of length k have exactly k-1 unique characters!
@geeksforgeeks
#GFG160 #GeekStreak2025 #StringAlgorithms #CodingChallenge 💻
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18
3 Jun 2025
📅Day 62 of #GFG160
Today's challenge: Count Substrings with Exactly K Distinct Characters! 🔤✨
Sliding Window HashMap 🪟📊
A twist of logic using:
atMost(k) - atMost(k-1) for exact count 🔍
@geeksforgeeks
#gfg160 #geekstreak2025 #StringAlgorithms #SlidingWindow #HashMap
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27
27 May 2025
Day 58 of #gfg160 ✅ | #GeekStreak2025
📌 Solved: Longest Substring with Distinct Characters
🔍 Approach: Sliding Window Last Occurrence Tracking
⏱️ Time: O(N), Space: O(1)
#DSA #Java #SlidingWindow #StringAlgorithms #CodingChallenge #GeeksForGeeks #DailyDSA #InterviewPrep
4
30
20 Apr 2025
:
🚀 Day 18 of #gfg160 #geekstreak2025!
✅ Mastered: Pattern Searching (KMP Algorithm)
🔢 Problem: Find all occurrences of a pattern in text with optimal efficiency
📦 Solution: github.com/ytakash30/gfg-160…
@geeksforgeeks #DSA #StringAlgorithms #KMP #GoogleInterview
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16 Apr 2025
🚀 Day 18 – #160DaysGFGChallenge
Solved Search Pattern (KMP Algorithm) today! 🔍
Built the LPS (longest prefix‑suffix) array and matched in O(n m) — super efficient string search! 💡#GFG #DSA #KMP #StringAlgorithms #160DaysOfCode @geeksforgeeks 🚀
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16 Apr 2025
✅ Completed Day 18 of the #160DayCodingChallenge by @geeksforgeeks!
Today's problem: Mastered the KMP Algorithm for pattern searching 🔍💥
Efficient string matching = ✅ Time to level up! 🚀
#KMPAlgorithm #PatternMatching #StringAlgorithms #AlgorithmChallenge #CodingJourney
3
28
3 Dec 2024
Day 84 of Problem Solving!
📌 #gfg160 Day 19: Solved 'Min Chars to Add for Palindrome' ✅
👉 #CodingChallenge #100DaysOfCode #StringAlgorithms #Palindromes #geekstreak2024
@geeksforgeeks , every challenge makes me stronger!
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3 Dec 2024
🚀 Hello, everyone!
#Day194 of my coding streak is complete, and here’s what I tackled today:
1. Check If a Word Occurs As a Prefix of Any Word in a Sentence
2. Search Pattern (KMP-Algorithm)
.
.
#LeetCode #GFG160 #GeekStreak2024 #StringAlgorithms #KMPAlgorithm #CodingJourney
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27 Oct 2024
🚀 #DSAwithJava Day 21: String Challenges on LeetCode :-
1️⃣@LeetCode problem 5: Longest Palindromic Substring ✅
2️⃣ @LeetCode 14: Longest Common Prefix ✅
#Java #LeetCode #DSA
#StringAlgorithms
#CodingJourney
#100DaysOfCode
#ProblemSolving
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