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Sonu64
DSA_with_Java
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Module18_Backtracking
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Commits on Feb 22, 2026
Add Sudoku solver implementation in sudoku_solver_LEETCODE.java
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Commits on Feb 20, 2026
Refactor N-Queens solution: convert methods to static, add main method for execution. Added code for n-Queens-CountWays and n-Queens-PrintOneSolution.
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Commits on Feb 18, 2026
Implement N-Queens problem solution in n_queens_LEETCODE.java - no main method, directly pasted from Leetcode site.
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Commits on Feb 13, 2026
solved rat_in_a_maze problem on GFG practice.
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Commits on Feb 11, 2026
Solved Leetcode Pow(x,n) and Permutations. Added Pow(x,n) to Recursion_1 folder and Permutations to Backtracking folder. Slight comment modifications done in subsets_LEETCODE.java.
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Commits on Feb 10, 2026
Add subsets generation implementation in subsets_LEETCODE.java. Wiped previous files.
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Commits on Feb 9, 2026
Implement subsets generation using backtracking in subsets_GFG_practice.java
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Commits on Feb 8, 2026
Added explanatory comments regarding the use of String and StringBuilder in backtracking for permutations.
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Properly modified permutations.java to add items to an ArrayList and then print those items (permutations).
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Wrote code for permutations for simple printing all permutations. Solved GFG Practice on Permutations and added code.
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Commits on Feb 5, 2026
Added selection sort implementation in Striver folder.
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Added StringBuilder Version of find all Subsets, both printing all subsets and modifying an Array to fill up with those subsets done
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Commits on Feb 4, 2026
Added Solutions for FIND ALL SUBSETS OF STRING USING BACKTRACKING, also implemented LIST VERSION in LEETCODE 'subsets' problem
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Commits on Feb 3, 2026
Started Module-18, Backtracking
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