N Queens II | Leetcode 52 | Backtracking

Checkout Coding Interview Prep Masterclass for preparing for interviews of product based companies. It covers 70+ problem solving patterns asked in top companies with detailed examples. Use code AYUSHI for 50% off for lifetime access. Link of the DSA Course: https://bit.ly/3FP8OCk Timestamps: Problem explanation: 00:00 Approach: 05:35 How to keep track of column: 13:13 How to keep track of anti diagonal: 16:58 How to keep track of main diagonal: 21:57 Dry Run: 26:05 Code explanation: 33:39 Time Complexity : O(n!) Space Complexity : O(n) Problem Link : https://leetcode.com/problems/n-queens-ii/ C++ Code Link : https://github.com/Ayu-99/Data-Structures/blob/master/Leetcode%20Challenge/June2k22/cpp/N%20Queens%20II.cpp Please like, share and subscribe if you found the video useful. Feel free to ask in comments section if you have any doubts. :) #DataStructuresAndAlgorithms #LoveBabbarDSASheet #interviewpreparation #AyushiSharma N Queens II solution N Queens II Leetcode N Queens II C++ N Queens II Java N Queens II Python 🔥🔥🔥🔥👇👇👇 Join telegram channel for more updates on placement preparation : https://t.me/AyushiSharmaDiscussionGroup Checkout the series: 🔥🔥🔥 👉Interview Experiences : https://www.youtube.com/playlist?list=PLPyD8bF-abzu3MpYL6VHYaTpX0M585Hbn 👉 Array: https://www.youtube.com/playlist?list=PLPyD8bF-abzszl5o0RUBkx7JW07wbHqgg 👉 Linked List : https://www.youtube.com/playlist?list=PLPyD8bF-abzuor0yYzO1g7v8y7u6vO-Fe 👉 Heap : https://www.youtube.com/playlist?list=PLPyD8bF-abzswXItsbav88ojXrzurguY3 👉 Recursion : https://www.youtube.com/playlist?list=PLPyD8bF-abzvCv0ZHXy6o1y1IVYPUQp2e 👉 Stack and Queue : https://www.youtube.com/playlist?list=PLPyD8bF-abzvVxx7DSeyj8Pvj40kcP6fV 👉 Greedy :https://www.youtube.com/playlist?list=PLPyD8bF-abzudEGrlh_iIzhrbCN-ju7SA 👉 Dynamic Programming : https://www.youtube.com/playlist?list=PLPyD8bF-abztuSJ47ZGRz9NpOwt41l0up 👉 Leetcode contests : https://www.youtube.com/playlist?list=PLPyD8bF-abzvyTZpKMzMTI1uU4Lhkf_kQ 👉 Leetcode June Challenge :https://www.youtube.com/playlist?list=PLPyD8bF-abzvpMYh22Jo4ymAqxnhMRWRF 👉 Leetcode July Challenge : https://www.youtube.com/playlist?list=PLPyD8bF-abzszOD5IHwY788YlEAEYvkXt LIKE | SHARE | SUBSCRIBE 🔥🔥😊