cleanup

euler018.py

@@ -0,0 +1,38 @@
+"""Project Euler problem 18"""
+
+
+def calculate(triangle):
+    """Returns the maximum total from top to bottom by starting at the top
+    of the specified triangle and moving to adjacent numbers on the row below"""
+
+    def calculate_helper(row, col):
+        """Returns the maximum path value of a specified cell in the triangle"""
+        if row == len(triangle):
+            return 0
+        return triangle[row][col] + max(
+            calculate_helper(row + 1, col), calculate_helper(row + 1, col + 1)
+        )
+
+    return calculate_helper(0, 0)
+
+
+TRIANGLE = [
+    [75],
+    [95, 64],
+    [17, 47, 82],
+    [18, 35, 87, 10],
+    [20, 4, 82, 47, 65],
+    [19, 1, 23, 75, 3, 34],
+    [88, 2, 77, 73, 7, 63, 67],
+    [99, 65, 4, 28, 6, 16, 70, 92],
+    [41, 41, 26, 56, 83, 40, 80, 70, 33],
+    [41, 48, 72, 33, 47, 32, 37, 16, 94, 29],
+    [53, 71, 44, 65, 25, 43, 91, 52, 97, 51, 14],
+    [70, 11, 33, 28, 77, 73, 17, 78, 39, 68, 17, 57],
+    [91, 71, 52, 38, 17, 14, 91, 43, 58, 50, 27, 29, 48],
+    [63, 66, 4, 68, 89, 53, 67, 30, 73, 16, 69, 87, 40, 31],
+    [4, 62, 98, 27, 23, 9, 70, 98, 73, 93, 38, 53, 60, 4, 23],
+]
+
+if __name__ == "__main__":
+    print(calculate(TRIANGLE))