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Subarrays with K Different Integers | Exactly K Sliding Window Trick
00:29:28
This Sliding Window Trick Solves Character Replacement Easily
00:25:01
Sliding Window Gets Stricter | Longest Substring Without Repeating Characters
00:31:13
From 2 to K Distinct | At Most K Distinct Explained
00:16:44
Sliding Window Gets Real | At Most 2 Distinct Explained
00:28:32
This Problem Unlocks Sliding Window | Fixed Window Explained
00:21:00
K Sum Problem Explained | Generalizing 2 Sum, 3 Sum & 4 Sum | Two Pointers + Recursion
00:36:29
4 Sum Explained from Scratch | Brute β†’ Hashing β†’ Two Pointers
00:52:33
3 Sum Explained From Scratch | Brute β†’ Hashing β†’ Two Pointers
00:50:45
2 Sum Explained From Scratch | Brute β†’ Hashing β†’ Two Pointers
00:38:25
Subarray Sum Divisible by K | Multiple of K | Prefix Sum + Modulo
00:47:33
Binary Subarrays With Sum | Why Sliding Window Fails | Prefix Sum Insight
00:27:46
Longest Subarray with Equal 0s and 1s | Prefix Sum + Hashing Explained
00:41:16
Zero Sum Subarrays (Detect & Count) | Prefix Sum + Hashing Explained
00:32:01
Count Subarrays with Sum K | Prefix Sum + Hashing Pattern | Optimal Solution
00:19:48
Longest Subarray with Sum K | Sliding Window vs Prefix Sum Explained
00:43:10
Day 11 | Quick Sort Explained in Depth | Sorting Algorithms
00:36:47
Day 10 | Merge Sort Explained in Depth | Sorting Algorithms
00:57:29
Day 09 | Insertion Sort Explained | Sorting Algorithms
00:32:14
Day 08 | Selection Sort & Bubble Sort Explained | Sorting Algorithms
00:34:56
Day 07 | Hashing Explained | Frequency Array, Character Hashing, Maps & Sets
01:08:15
Day 06 | Learning Recursion | Explained Simply!
00:55:30
Day 05 | GCD Re-Explained: Proper Euclid’s Algorithm + O(log n) Intuition
00:47:53
Day 04 | 7 Essential DSA Basics Explained with Intuition + Code
01:12:08
Day 03 | Standard Template Library [STL] EXPLAINED
00:55:38
Day 02 | Time Complexity & Space Complexity Revised
00:26:39
Day 01 | C++ Basics + Arrays & Strings Revised
00:27:03
Starting My 60 Days of Code Journey
00:00:55
GitHub Collaboration Workflow Explained | Step-by-Step Guide for Beginners
00:20:17
Single Number | Data Structures and Algorithm | Arrays
00:36:22