How to Solve Apply Discount to Prices Problem
Master the Apply Discount to Prices LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
PhantomCodeAI generates complete solutions and debugging hints that you can use while explaining your approach, so you stay calm and in control.
Apply Discount to Prices
A sentence is a string of single-space separated words where each word can contain digits, lowercase letters, and the dollar sign '$'. A word represents a price if it is a sequence of digits preceded by a dollar sign. You are given a string sentence representing a sentence and an integer discount. For each word representing a price, apply a discount of discount% on the price and update the word in the sentence. All updated prices should be represented with exactly two decimal places. Return a string representing the modified sentence. Note that all prices will contain at most 10 digits.
PhantomCodeAI will help you solve this problem in real-time during your interview
Understanding the Apply Discount to Prices Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
A sentence is a string of single-space separated words where each word can contain digits, lowercase letters, and the dollar sign '$'. A word represents a price if it is a sequence of digits preceded by a dollar sign. 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. Return a string representing the modified sentence. Note that all prices will contain at most 10 digits.
Apply Discount to Prices
Related Topics
How PhantomCodeAI Helps
Get real-time assistance for Apply Discount to Prices problems during coding interviews. PhantomCodeAI provides instant solutions and explanations.
Examples
# Example 1
sentence = "there are $1 $2 and 5$ candies in the shop", discount = 50
"there are $0.50 $1.00 and 5$ candies in the shop"
# Example 2
sentence = "1 2 $3 4 $5 $6 7 8$ $9 $10$", discount = 100
"1 2 $0.00 4 $0.00 $0.00 7 8$ $0.00 $10$"
Constraints
How PhantomCodeAI Helps with LeetCode Problems
Reinforce undetectability, platform compatibility, and real-time assistance to remove any doubt.
See PhantomCodeAI in Action
Watch how PhantomCodeAI helps solve LeetCode problems during live interviews
Solve Apply Discount to Prices — A sentence is a string of single-space separated words where each word can conta...
Here's the optimal approach using String:
Time: O(n) | Space: O(n)
Undetectability Checklist
Platform Compatibility
User results and traction
Thousands of developers use PhantomCodeAI. Social proof signals that this approach helps real candidates land offers across a range of companies.
Undetectability and technical details
Our native desktop architecture avoids common detection vectors used by browser extensions. We provide a clear checklist so you can run basic checks and confirm the app will be invisible.
Platform compatibility and limitations
We work with Zoom, HackerRank, CodeSignal, CoderPad and other web-based platforms. Check the compatibility note and request a browser link if a specific desktop app is unsupported.
Frequently Asked Questions
Common questions about solving Apply Discount to Prices and using PhantomCodeAI during coding interviews.
How does PhantomCodeAI help with LeetCode problems during a coding interview?
Which programming languages does PhantomCodeAI support?
Does PhantomCodeAI work with HackerRank, CodeSignal, and CoderPad?
Can PhantomCodeAI handle follow-up questions and modifications?
Is PhantomCodeAI detectable during live interviews?
Should I still practice these problems on my own first?
Related LeetCode Problems
Practice more problems similar to Apply Discount to Prices.
20+ Stealth Features. Zero Detection Cases.
The only AI interview tool with an undetectable desktop overlay, real-time audio listening, and personalized AI responses.