λFPAI
Practice/Restaurant Menu

Restaurant Menu

Medium

Problem Description

Build a MenuItem base with name and price.

Subclasses: Appetizer, MainCourse, Dessert with specific preparation methods.

Create an Order class that aggregates items and computes the bill with taxes.

OOP Focus: Aggregation and polymorphism.

Note: This is statement-only in the current Practice version; stdout should be empty.

Input & Output Format

INPUT:
Two lines. First line: space-separated numbers for vector a.
Second line: space-separated numbers for vector b.
OUTPUT:
A single number (the dot product).

Example

Input:
1 2 3
4 5 6
Output:
32
Explanation: 1×4 + 2×5 + 3×6 = 4 + 10 + 18 = 32
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Output

Run or submit to see output.