89 lines
2.4 KiB
Python
Executable File
89 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (C) 2019 Midgard
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the
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# GNU General Public License as published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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# even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with this program. If
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# not, see <https://www.gnu.org/licenses/>.
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import math
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def main():
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print("Reduction in cents: ", end="")
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reduction = int(input())
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print()
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prices = []
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i = 1
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done = False
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while not done:
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if i == 1:
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print(f"Price {i} in cents: ", end="")
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else:
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print(f"Price {i} (empty to finish): ", end="")
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read = input()
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if not read:
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break
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price = int(read)
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print(f" Amount of orders at this price: ", end="")
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amount = int(input())
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print()
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prices.append((amount, price))
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i += 1
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print()
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print("----------------")
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print()
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total_without_reduction = sum(amount * price for amount, price in prices)
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total_with_reduction = total_without_reduction - reduction
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reduction_percentage = reduction / total_without_reduction
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reduction_prices = [
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math.ceil((1 - reduction_percentage) * price)
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for _, price in prices
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]
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total_reducted_prices = sum(
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amount * reduction_price
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for (amount, _), reduction_price in zip(prices, reduction_prices)
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)
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gap = total_with_reduction - total_reducted_prices
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total_items = sum(amount for amount, _ in prices)
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print(f"You got a reduction of {reduction_percentage:.0%}")
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print()
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print(" # | Normal price | Reduction price")
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print("---|--------------|----------------")
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for (amount, price), reduction_price in zip(prices, reduction_prices):
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print(f"{amount:2d} | €{price/100:11.2f} | €{reduction_price/100:14.2f}")
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print("---|--------------|----------------")
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print(f"{total_items:2d} | €{total_without_reduction/100:11.2f} | €{total_reducted_prices/100:14.2f}")
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if abs(gap) > 1e-9:
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print(f" You paid €{total_with_reduction/100:14.2f}")
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if gap < 0:
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print(f"This solution has a bonus of {-gap}¢ for the courier.")
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else:
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print(f"This solution leaves {gap}¢ unaccounted for.")
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if __name__ == "__main__":
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main()
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