RULES.md

All the rules

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⚠️ If you are an attendee, you have nothing to do here ! ⚠️

By reading this file as an attendee, you will make this workshop pointless.

Be kind to your workshop leader and close this file without reading it.

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Table of content

• Expected invoice
• Prices
• Quantities
• Country
  • UK
  • US
• Reduction
  • STANDARD
  • HALF
  • TENTH
  • HALF_FIRST
  • HALF_LAST
  • SPECIAL
• Difficulty
  • Level 0
  • Level 1
  • Level 2
  • Level 3
  • Level 4

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Expected invoice

Any answered invoice must follow these rules:

• start with the price in digit with 2 decimals (even if it is an integer)
• end by currency symbol
• have a whitespace between price and currency symbol

Examples:

"42.00 €";
"27.50 £";
"1256.50 $";

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Prices

Any price is between 10 and 100, included.

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Quantities

Any quantity is between 1 and 10, included.

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Country

UK

Exchange rate is 1.42. They must multiply the final price by this rate.

US

Exchange rate is 1.314. They must multiply the final price by this rate.

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Reduction

STANDARD

There is no reduction

HALF

Final price must be reduced by 50%.

finalPrice * 0.5

TENTH

Final price must be reduced by 10%.

finalPrice * 0.9

HALF_FIRST

Price of the first item must be reduced by 50%.

prices[0] * quantities[0] * 0.5

HALF_LAST

Price of the last item must be reduced by 50%.

prices[X] * quantities[X] * 0.5

SPECIAL

Price of the first item must be reduced by 10%. Price of the second item must be reduced by 20%. Price of the third item must be reduced by 30%. Price of the forth item must be reduced by 40%. Price of the fifth item must be reduced by 50%. Price of the sixth item must be reduced by 50%. Price of the seventh item must be reduced by 50%. Price of the eighth item must be reduced by 50%. Price of the nineth item must be reduced by 50%. Price of the tenth item must be reduced by 50%.

prices[0] * quantities[0] * 0.1
prices[1] * quantities[1] * 0.2
prices[2] * quantities[2] * 0.3
prices[3] * quantities[3] * 0.4
prices[4] * quantities[4] * 0.5
prices[5] * quantities[5] * 0.5
prices[6] * quantities[6] * 0.5
prices[7] * quantities[7] * 0.5
prices[8] * quantities[8] * 0.5
prices[9] * quantities[9] * 0.5

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Difficulty

Level 0

Number of different item:

• 70% chance of 1 item
• 20% chance of 2 items
• 10% chance of 3 items

Max quantity per item:

• 1

Possible country:

• FR

Possible reduction:

• STANDARD

Level 1

Number of different item:

• 1 to 3

Max quantity per item:

• 5

Possible country:

• FR

Possible reduction:

• STANDARD at 60%
• HALF at 20%
• TENTH at 20%

Level 2

Number of different item:

• 1 to 3

Max quantity per item:

• 10

Possible country:

• FR
• UK

Possible reduction:

• STANDARD at 33.3%
• HALF at 33.3%
• TENTH at 33.3%

Level 3

Number of different item:

• 1 to 3

Max quantity per item:

• 10

Possible country:

• FR
• UK
• US

Possible reduction:

• STANDARD at 20%
• HALF at 20%
• TENTH at 20%
• HALF_FIRST at 20%
• HALF_LAST at 20%

Level 4

Number of different item:

• 3 to 6

Max quantity per item:

• 10

Possible country:

• FR
• UK
• US

Possible reduction:

• STANDARD at 12.5%
• HALF at 12.5%
• TENTH at 12.5%
• HALF_FIRST at 12.5%
• HALF_LAST at 12.5%
• SPECIAL at 37.5%

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