BackTracking: N-Queens | M-Coloring Problem | Sudoku Solver
Recursion BackTracking
#dsa #graph #datastructure
What is Graphs in DSA and why do we need it. We talked about it with the help of real world example and it will help everyone to get command over graphs.
Day 25/60 of challenge.....
1: N-Queens: https://leetcode.com/problems/n-queens/
2: M-Coloring Problem: https://www.geeksforgeeks.org/problem...
3: Sudoku Solver: https://leetcode.com/problems/sudoku-...
00:00 Introduction to Backtracking
1:31 Problem 1 - N queens
22:10 Code Part - N queens
39:35 Time and Space Complexity
42:40 Problem 1 - Optimizing Code - N queens
56:30 Code Part - Optimized Code - N queens
1:02:03 Problem 2 - M coloring Problem
1:06:54 Understanding with Example
1:27:57 Code Part - M - Coloring Problem
1:44:17 Problem 2 -- Mehtod 2 - M Coloring Problem
1:48:45 Code Part -Method 2 - M Coloring Problem
1:55:43 Problem 3 - Sudoku Solver
2:20:40 Code Part - Sudoku Solver
2:32:00 Time and Space Complexity
2:33:15 Last Note
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