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الوحدة النمطية DEMO-33-73DEMO-OOP-33

Nullable Discount Engine

DEMO-OOP-33 • Object Oriented Programming

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بيان المشكلة

Read a raw price and raw discount percentage, then print the final price. Handle missing data and invalid numbers explicitly.

تنسيق الإدخال

Input is given as whitespace-separated raw tokens exactly in the order described by the problem statement.

تنسيق الإخراج

Print the exact success report or exact error message required by the problem.

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العينة رقم 1
عينة ظاهرة
مدخل
100.0
10.0
الإخراج
Final Price: 90.00
توضيح
Input: raw price = "100.0", raw discount = "10.0".
Derivation: finalPrice = 100.00 * (1 - (10.00 / 100)) = 90.00 | "Final Price: " + "90.00" = "Final Price: 90.00".
Output:
Final Price: 90.00
العينة رقم 2
عينة ظاهرة
مدخل
50
5
الإخراج
Final Price: 47.50
توضيح
Input: raw price = "50", raw discount = "5".
Derivation: finalPrice = 50.00 * (1 - (5.00 / 100)) = 47.50 | "Final Price: " + "47.50" = "Final Price: 47.50".
Output:
Final Price: 47.50

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