{ "data": { "question": { "questionId": "2373", "questionFrontendId": "2288", "boundTopicId": null, "title": "Apply Discount to Prices", "titleSlug": "apply-discount-to-prices", "content": "

A sentence is a string of single-space separated words where each word can contain digits, lowercase letters, and the dollar sign '$'. A word represents a price if it is a sequence of digits preceded by a dollar sign.

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You are given a string sentence representing a sentence and an integer discount. For each word representing a price, apply a discount of discount% on the price and update the word in the sentence. All updated prices should be represented with exactly two decimal places.

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Return a string representing the modified sentence.

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Note that all prices will contain at most 10 digits.

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Example 1:

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\nInput: sentence = "there are $1 $2 and 5$ candies in the shop", discount = 50\nOutput: "there are $0.50 $1.00 and 5$ candies in the shop"\nExplanation: \nThe words which represent prices are "$1" and "$2". \n- A 50% discount on "$1" yields "$0.50", so "$1" is replaced by "$0.50".\n- A 50% discount on "$2" yields "$1". Since we need to have exactly 2 decimal places after a price, we replace "$2" with "$1.00".\n
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Example 2:

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\nInput: sentence = "1 2 $3 4 $5 $6 7 8$ $9 $10$", discount = 100\nOutput: "1 2 $0.00 4 $0.00 $0.00 7 8$ $0.00 $10$"\nExplanation: \nApplying a 100% discount on any price will result in 0.\nThe words representing prices are "$3", "$5", "$6", and "$9".\nEach of them is replaced by "$0.00".\n
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Constraints:

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