LeetCode 75 C++ | Step-by-Step Solutions (LAN Academy) - Determine if Two Strings Are Close | LeetCode 1657 in C++

How can we tell if two strings are “close”? In this video, we solve LeetCode 1657 – Determine if Two Strings Are Close using frequency counting and sorting logic in C++. What you’ll learn — How to compare strings using character frequencies — Why sets and maps are perfect for this problem — Clean and readable C++ solution Time complexity: O(n + k log k) Space complexity: O(k) Timestamps 0:00 – Problem explanation 0:30 – What “close” strings mean 1:00 – Counting frequencies with unordered_map 1:45 – Checking matching character sets 2:20 – Comparing sorted frequency lists 3:00 – C++ implementation 4:00 – Edge cases & intuition Full LeetCode 75 Series (C++ explained): https://lanacademy-school.thinkific.com/courses/leetcode75 Problem: https://leetcode.com/problems/determine-if-two-strings-are-close/ Follow LAN Academy Website: https://lanacademy-school.thinkific.com YouTube: @lanacademy9521 Twitter: https://x.com/SolutionsLan #LeetCode #CPlusPlus #Strings #HashMap #FrequencyCounting #DSA #Algorithms #CodingInterview #LANAcademy #InterviewPrep @reper #foryou #viral #reper #urmaritori #for