Question

When debugging an N-Queens problem solution using backtracking, a common issue is that the algorithm either finds no solutions or finds too many, including invalid ones. What is the most critical function to debug to ensure correctness?

A The function that prints the board configuration.

B The function that initializes the chessboard.

C The isSafe function that checks for conflicts (row, column, diagonals).

D The main recursive backtracking function's loop bounds.

E The function that counts the number of solutions.

Solution