Deepening the understanding of recursion and exploring backtracking as a powerful problem-solving technique.
Visualizing recursive calls to analyze time complexity and understand the flow of execution.
Understanding tail call optimization and its benefits for avoiding stack overflow.
Introducing the general template for backtracking to explore all possible solutions to a problem.
Solving the classic N-Queens puzzle using a backtracking approach.
Implementing a Sudoku puzzle solver using backtracking to fill the grid.