Backtracking-3 solutions

[kalyan-ng22]

No description provided.

[super30admin]

Strengths:

• The student demonstrates a strong understanding of backtracking and DFS.
• The code is clean, well-commented, and easy to follow.
• The student correctly identifies and analyzes the time and space complexities.

Areas for Improvement:

• In the N-Queens solution, the isSafe method could be slightly optimized by combining the three while loops into a single loop that checks all three conditions in one pass, though this is a minor improvement.
• In the word search solution, the helper method could be made more concise by combining some of the boundary checks and the visited check into a single condition.