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Leetcode Problem 2596. Check Knight Tour Configuration

2596. Check Knight Tour Configuration

Leetcode Solutions

DFS Approach to Validate Knight's Tour

  1. Check if the starting cell is 0, if not return false.
  2. Define the 8 possible moves a knight can make.
  3. Use a recursive DFS function to traverse the grid.
    • The function should take the current position and the number of steps taken.
    • If the current cell value is equal to n*n - 1, return true as we have completed the tour.
    • For each of the 8 moves, calculate the new position.
    • If the new position is within bounds and the cell value is equal to the current number of steps + 1, recursively call the DFS function for the new position.
    • If none of the moves lead to a solution, return false.
  4. Call the DFS function starting from the top-left cell with 0 steps taken.
  5. Return the result of the DFS function.
UML Thumbnail

Iterative Approach to Validate Knight's Tour

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