LeetCode 696 | Count Binary Substrings | Daily LeetCode | Day 50/365 | Group Counting Trick | C++ скачать в хорошем качестве

LeetCode 696 | Count Binary Substrings | Daily LeetCode | Day 50/365 | Group Counting Trick | C++

LeetCode 696 | Count Binary Substrings | Daily LeetCode | Day 49/365 | Group Counting Trick | C++ Solution In this video, we solve LeetCode 696: Count Binary Substrings, where we must count substrings containing equal consecutive 0s and 1s with all 0s and 1s grouped together. 🧠 Core Idea: Instead of checking all substrings (which is expensive), we observe a pattern: • Count lengths of consecutive groups of 0s and 1s • For every adjacent pair of groups → valid substrings = min(group1, group2) • Sum across all adjacent groups This transforms a tricky substring problem into a clean linear solution 🔥 📌 What you’ll learn in this video: • Recognizing hidden grouping patterns in strings • Why brute force fails • Efficient group-counting technique • Step-by-step example walkthrough • Clean and optimized C++ implementation • Time & space complexity analysis ⏱ Time Complexity: O(n) 💾 Space Complexity: O(1) 💻 Problem Link: https://leetcode.com/problems/count-b... 🎯 Why this problem matters: This is a classic string pattern recognition problem that strengthens intuition for many substring and grouping problems asked in interviews. 👍 Like the video if pattern-based problems are becoming easier 💬 Comment if you want a detailed dry run 🔔 Subscribe for the 365 Days of LeetCode Challenge #LeetCode #DailyLeetCode #Day49of365 #Strings #PatternRecognition #Binary #CPlusPlus #DSA #InterviewPreparation