Leetcode Problem 999. Available Captures for Rook
Leetcode Solutions
Find and Check Rook's Attack Lines
- Iterate over the chessboard to find the position of the white rook ('R').
- Once the rook is found, store its position (row and column indices).
- Check each of the four cardinal directions from the rook's position:
- Move north (upward) by decrementing the row index until an obstacle is encountered or the edge is reached.
- Move east (rightward) by incrementing the column index.
- Move south (downward) by incrementing the row index.
- Move west (leftward) by decrementing the column index.
- In each direction, if a black pawn ('p') is encountered, increment the capture count.
- If a white bishop ('B') is encountered or the edge of the board is reached, stop checking that direction.
- Return the total capture count.
Iterative Search for Rook and Directional Pawn Check
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