Core Logic - Invidious

Core Logic

we believe great engineers are built by understanding the core logic, not memorizing solutions.

core logic is a place where we learn computer science fundamentals, low-level design, system design, dsa, and software engineering by building real projects and sharing everything along the way.

expect concepts, projects, interview prep, experiments, lessons from our mistakes, and honest progress.

built and maintained by arsh tiwari & priyanshi bothra.

📩 collaborations: arshtiwari12345@gmail.com

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6:56

2 HACKATHONS YOU CAN’T MISS IN 2026! 🚀 | PayPal AI + ₹18 Lakh Agentic AI Hackathon

Core Logic

Shared 4 days ago

223 views

12:46

AWS Certifications 2026: All 12 Explained | Cost, Exams, Roadmap & How to Prepare

Core Logic

Shared 3 weeks ago

265 views

12:08

SIH Winning PPT REVEALED 🏆 | The Exact 6 Slides

Core Logic

Shared 1 month ago

4.9K views

8:42

Tata Imagination Challenge 2026 Explained 🚀 | Eligibility, All Rounds, ₹20 Lakh Prizes & How to Win

Core Logic

Shared 1 month ago

1.9K views

13:09

SIH 2026 Problem Statements Are LIVE 🏆 How to Choose the RIGHT One | SIH 2025 Finalists

Core Logic

Shared 1 month ago

2.7K views

10:42

SIH 2026 Internal Hackathon Explained 🏆 How Teams Get Selected + Latest Updates | SIH 2025 Finalists

Core Logic

Shared 2 months ago

8.4K views

8:02

TVS Credit E.P.I.C 8.0 | Complete Guide | Eligibility, Rounds, Coding & PPI | ₹2.5 Lakh Prize

Core Logic

Shared 2 months ago

301 views

4:21

Smallest Divisible Digit Product I | Approach + Code | LeetCode 3345

Core Logic

Shared 2 months ago

88 views

10:08

Adobe University Hackathon 2026 | Complete Guide | Eligibility, Rounds, Rewards, PPIs & Winning Tips

Core Logic

Shared 2 months ago

5.1K views

6:42

Predict The Winner | Optimal Approach | LeetCode 486

Core Logic

Shared 2 months ago

79 views

4:51

SIH 2026 Team Formation Guide 🏆 Build the PERFECT Team | Smart India Hackathon | Episode 2

Core Logic

Shared 2 months ago

1.4K views

6:21

Minimum Number of Pushes to Type Word I | Optimal Approach + Dry run | LeetCode 3014

Core Logic

Shared 2 months ago

72 views

7:22

Smallest Palindromic Rearrangement I | Optimal Approach + Dry run | LeetCode 3157

Core Logic

Shared 2 months ago

58 views

8:48

Maximum Product Of Two Elements of an Array | Brute Force +Optimization | LeetCode 1464

Core Logic

Shared 2 months ago

32 views

8:51

Valid Anagram | NeetCode 150 #2 | Intuition + Optimal Solution (C++)

Core Logic

Shared 2 months ago

67 views

7:31

Maximum Product Of Three Numbers | Brute Force + Optimization | LeetCode 628

Core Logic

Shared 2 months ago

43 views

5:59

Smart India Hackathon 2026 is LIVE! Registration, Rules & Complete Roadmap🏆 | SIH 2025 Finalists

Core Logic

Shared 2 months ago

2.9K views

4:28

Maximum Product Of Two Digits | Brute Force Optimization | LeetCode 3536

Core Logic

Shared 2 months ago

185 views

4:23

Contains Duplicate | NeetCode 150 #1 | Intuition + Optimal Solution (C++)

Core Logic

Shared 2 months ago

116 views

2:40

Solving all problems of Neetcode 150 | Complete DSA Interview Preparation

Core Logic

Shared 2 months ago

77 views

1:14

5 Key Takeaways from Caching + What's Next?

Core Logic

Shared 4 months ago

33 views

4:11

Top 5 Caching Interview Questions Explained

Core Logic

Shared 4 months ago

43 views

2:32

Which Caching Strategy Should You Use? Real-World Scenarios Explained

Core Logic

Shared 4 months ago

48 views

3:27

Redis Internals Explained | Why is Redis So Fast?

Core Logic

Shared 4 months ago

74 views

3:09

Popular Caching Tools | Redis vs Memcached vs CDN Cache

Core Logic

Shared 4 months ago

53 views

2:05

Consistent Hashing & Distributed Caching

Core Logic

Shared 4 months ago

64 views

2:26

Cache Placement Patterns - Cache Aside, Read through, write through, refresh ahead

Core Logic

Shared 4 months ago

77 views

2:43

Cache Invalidation and its Strategies

Core Logic

Shared 4 months ago

76 views

2:52

Cache write strategies - Write Through vs Write Behind vs Write Around

Core Logic

Shared 4 months ago

58 views

3:32

Cache Eviction Policies - LRU vs LFU vs FIFO vs TTL | ARC - Adaptive Replacement Cache

Core Logic

Shared 4 months ago

126 views

1:47

Cache Hit, Cache Miss, Hit Ratio, Cache Stampede Explained | L-2

Core Logic

Shared 4 months ago

227 views

1:14

What is Caching and why it matters | L-1

Core Logic

Shared 4 months ago

92 views

33:01

Caching in One Video | Complete System Design Guide (Redis, LRU, Interview Questions)

Core Logic

Shared 5 months ago

160 views

6:15

Words Within Two Edits of Dictionary | String Comparison + Brute Force Optimization | LeetCode 2452

Core Logic

Shared 5 months ago

44 views

19:11

LeetCode Contest 498 Solutions | Smallest Stable Index I & II (Q1 + Q2 Explained) | LC 3903 & 3904

Core Logic

Shared 5 months ago

76 views

20:19

Maximum Distance Between a Pair of Values | Two Pointers | Simple Explanation | LeetCode 1855

Core Logic

Shared 6 months ago

53 views

29:23

Flip to Maximize 1s | Kadane’s Algorithm Explained | From Brute to Optimal | GFG POTD

Core Logic

Shared 6 months ago

111 views

36:01

Sum of Sortable Integers (Hard) | LeetCode 3886 | Knuth-Morris-Pratt(KMP) string matching algorithm

Core Logic

Shared 6 months ago

53 views

9:55

Walking Robot Simulation II | LeetCode 2069 | Easy C++ Coding and Explanation

Core Logic

Shared 6 months ago

65 views

11:41

Walking Robot Simulation | LeetCode 874 | Easy C++ Coding and Explanation

Core Logic

Shared 6 months ago

154 views

6:31

Robot Return to Origin | LeetCode 657 | Easy C++ Coding and Explanation

Core Logic

Shared 6 months ago

40 views

24:53

Design Event Manager | LeetCode 3885 | Heap + HashMap Explained (C++)

Core Logic

Shared 6 months ago

34 views

3:58

First Matching Character From Both Ends | LeetCode 3884 | Easy C++ Solution

Core Logic

Shared 6 months ago

28 views

6:28

Decode the Slanted Ciphertext | Matrix trick + Diagonol Decode | Leetcode Daily 04/04/26 | C++

Core Logic

Shared 6 months ago

25 views

10:44

Print Diagonally | Print Matrix Anti-Diagonals | Easy Pattern Solution | DSA Explained in C++ | GFG

Core Logic

Shared 6 months ago

52 views

24:21

Maximum Money Robot Can Earn | DP + Memoization | LeetCode 3418 | Daily question | C++

Core Logic

Shared 6 months ago

70 views

22:14

Consecutive 1's not allowed | DP + Fibonacci pattern | Space Optimization | GFG POTD | C++

Core Logic

Shared 6 months ago

50 views

9:23

Robot Collisions | Stack Implementation + Collision Pattern | Leetcode Daily 01/04/26 | C++

Core Logic

Shared 6 months ago

41 views

24:22

Buy Stock with Transaction Fee | DP Optimization - Memoization | C++ | GFG POTD

Core Logic

Shared 6 months ago

59 views

10:31

Lexicographically Smallest Generated String (Easy Explanation + Code)

Core Logic

Shared 6 months ago

70 views

11:55

Check if Strings Can Be Made Equal with Operations || (2840) | C++ Solution and Intuition Explained

Core Logic

Shared 6 months ago

35 views

6:13

Check if Strings Can Be Made Equal | Easy Explanation + Code | C++ | Leetcode Daily

Core Logic

Shared 6 months ago

68 views

53:11

LeetCode Weekly Contest 494 | All 4 Problems Solved (Rank 1091) | Full Explanation and Coding in C++

Core Logic

Shared 6 months ago

60 views