EdgeCases101

Hello Guyz! Welcome to EdgeCases101 — the place where we tackle the tricky, sneaky, and often overlooked “edge cases” of coding problems!

If you’ve ever struggled with DSA problems, felt stuck in a loop, or got frustrated by unexpected test cases — we’ve got you covered. From beginner-friendly tutorials to advanced problem-solving techniques, this channel is all about helping you think like a true coder.

Here’s what we do:

Solve DSA problems step by step

Break down tough algorithms & data structures

Teach tricks to ace coding interviews

Make coding fun (yes, even edge cases!)

Join the EdgeCases101 community, and let’s turn your coding struggles into coding wins!

Construct Array from Pair-Sum Array | O(1) Space Trick | GFG POTD | C++ Explained

Missing and Repeating Number | O(1) Space Optimal Approach | GFG POTD | C++ Explained

Find Duplicates in Array with O(1) Extra Space | GFG POTD | Best Approach | C++ Explained

Brackets in Matrix Chain Multiplication | Best DP Approach | GFG POTD | C++ Explained

Number of Distinct Subsequences | Simple DP Solution | GFG POTD | C++ Tutorial

Optimal Strategy for a Game | BEST Dynamic Programming Approach | GFG POTD | C++ Explanation

Letter Combination of a Phone Number | BEST Approach | Backtracking | C++ | LeetCode

XOR Pairs less than k| Using map of Nodes | C++ | GFG POTD 1 Dec

Count of distinct substrings | Using map of Nodes | C++ | GFG POTD 30 Nov

GFG POTD 29 November | Full Explanation & Optimal Solution | GeeksforGeeks Practice

GFG POTD 28 November | Full Explanation & Optimal Solution | GeeksforGeeks Practice