In this video, we solve Leetcode 679 – 24 Game using Backtracking + Recursion in Java.
We reduce the array step by step and try all possible operations between pairs until only one number is left.
Code:
https://github.com/studyPlacement/CodeHub/blob/main/Solution679
Neetcode 150 Playlist:
https://youtube.com/playlist?list=PLsLlEdtakGozrvhxZsPfvXavXYzX2GUig&feature=shared
SDE Sheet for Interview:
https://youtube.com/playlist?list=PLsLlEdtakGozEsXcEpJPihiod1MwHf3M1&feature=shared
DP Playlist:
https://youtube.com/playlist?list=PLsLlEdtakGoyNROP7uWS9OLLHs9_JluVM&feature=shared
Sliding window Playlist:
https://youtube.com/playlist?list=PLsLlEdtakGozlKx_L-5PQJO-ua_maQb6R&feature=shared
Binary Search Playlist:
https://youtube.com/playlist?list=PLsLlEdtakGozNxx5rfRgEW-1DYseLnDbV&feature=shared
Key points covered:
✅ Problem explanation & constraints
✅ Backtracking with array reduction
✅ 3 nested loops for pair selection & operations
✅ Dry run for clarity
✅ Complete Java solution
🔗 Problem Link: https://leetcode.com/problems/24-game/
#Leetcode679 #24Game #Backtracking #Recursion #LeetcodeJava #DSA #CodingInterview #DryRun #OptimalSolution #DailyChallenge
Timestamps:
00:00 Introduction
00:20 Problem Statement
01:00 Intution + Approach
05:32 Code Explanation
