sgreen solutions to challenge 337

1 files changed, 63 insertions, 0 deletions

diff --git a/challenge-337/sgreen/python/ch-2.py b/challenge-337/sgreen/python/ch-2.py
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+#!/usr/bin/env python3
+
+from dataclasses import dataclass
+import sys
+
+
+@dataclass
+class Point:
+    """A point in the matrix."""
+    x: int
+    y: int
+
+    def score(self, row:int, col:int) -> int:
+        """Calculate the score for this point at the given row and column."""
+        if row == self.x and col == self.y:
+            return 2
+        if row == self.x or col == self.y:
+            return 1
+
+        return 0
+
+def odd_matrix(rows:int, cols:int, points_list: list) -> int:
+    """Calculate the number of cells in the matrix with an odd score.
+
+    Args:
+        rows: Number of rows in the matrix.
+        col: Number of columns in the matrix.
+        points_list: List of (x, y) tuples representing points in the matrix.
+
+    Returns:
+        The number of cells in the matrix with an odd score.
+    """
+    # Convert the list of points into Point objects
+    points = [Point(x, y) for x, y in points_list]
+    odd_cells = 0
+
+    for row in range(rows):
+        for col in range(cols):
+            # Calculate the score for this cell
+            score = 0
+            for point in points:
+                score += point.score(row, col)
+
+            # If the score is odd, increment the count of odd cells
+            if score % 2 == 1:
+                odd_cells += 1
+
+    return odd_cells
+
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    row = array.pop(0)
+    col = array.pop(0)
+    points = [(array[i], array[i + 1]) for i in range(0, len(array), 2)]
+
+    result = odd_matrix(row, col, points)
+    print(result)
+
+
+if __name__ == '__main__':
+    main()