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How to Solve Final Prices With a Special Discount in a Shop Problem
Master the Final Prices With a Special Discount in a Shop LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
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Start Free for WindowsEasy#1475
LeetCode ProblemFinal Prices With a Special Discount in a Shop
You are given an integer array prices where prices[i] is the price of the ith item in a shop. There is a special discount for items in the shop. If you buy the ith item, then you will receive a discount equivalent to prices[j] where j is the minimum index such that j > i and prices[j] <= prices[i]. Otherwise, you will not receive any discount at all. Return an integer array answer where answer[i] is the final price you will pay for the ith item of the shop, considering the special discount.
ArrayStackMonotonic Stack
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Problem Breakdown
Understanding the Final Prices With a Special Discount in a Shop Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
You are given an integer array prices where prices[i] is the price of the ith item in a shop. There is a special discount for items in the shop. If you buy the ith item, then you will receive a discount equivalent to prices[j] where j is the minimum index such that j > i and prices[j] <= prices[i]. Otherwise, you will not receive any discount at all. Return an integer array answer where answer[i] is the final price you will pay for the ith item of the shop, considering the special discount.
EasyProblem #1475
LeetCodeFinal Prices With a Special Discount in a Shop
Related Topics
ArrayStackMonotonic Stack
How Phantom Code Helps
Get real-time assistance for Final Prices With a Special Discount in a Shop problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
prices = [8,4,6,2,3]
Output
[4,2,4,2,3]
# Example 2
Input
prices = [1,2,3,4,5]
Output
[1,2,3,4,5]
# Example 3
Input
prices = [10,1,1,6]
Output
[9,0,1,6]
Constraints
1 <= prices.length <= 500
1 <= prices[i] <= 1000
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Solve Final Prices With a Special Discount in a Shop — You are given an integer array prices where prices[i] is the price of the ith it...
Here's the optimal approach using Array:
def solve(input):
# Optimal O(n) solution
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Time: O(n) | Space: O(n)
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Frequently Asked Questions
Common questions about solving Final Prices With a Special Discount in a Shop and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Final Prices With a Special Discount in a Shop during interviews?
Phantom Code generates complete solutions instantly with proper complexity analysis, letting you focus on explaining your approach and demonstrating problem-solving skills rather than getting stuck on implementation details during high-pressure situations.
What if the interviewer asks follow-up questions or modifications to problems like Final Prices With a Special Discount in a Shop?
Phantom Code adapts in real-time. Screenshot the modified problem or use audio mode to capture the interviewer's follow-up, and get an updated solution within seconds — including edge cases and optimizations.
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Yes. Phantom Code provides step-by-step approach explanations with 3 progressive thoughts, so you can walk through your solution naturally. It also provides time and space complexity analysis to discuss trade-offs.
How does Phantom Code assist with different programming languages for Final Prices With a Special Discount in a Shop type problems?
Phantom Code supports 11 programming languages including Python, Java, C++, JavaScript, TypeScript, Go, Rust, Ruby, Swift, Kotlin, and C#. Set your preferred language and get idiomatic solutions.
What coding mistakes does Phantom Code help me avoid during Final Prices With a Special Discount in a Shop interviews?
Phantom Code catches common mistakes like off-by-one errors, missing edge cases, incorrect base conditions, and suboptimal approaches. It provides clean, well-structured code that handles all edge cases.
Is Phantom Code detectable when solving problems like Final Prices With a Special Discount in a Shop during live interviews?
No. Phantom Code runs as an invisible desktop overlay that doesn't appear in screen shares, recordings, or proctoring software. It works with Zoom, HackerRank, CodeSignal, CoderPad, and all major platforms.
How does Phantom Code help when I'm struggling with Final Prices With a Special Discount in a Shop style questions under pressure?
The AI provides structured guidance: first the approach (what algorithm/data structure to use and why), then the implementation with clean code, and finally complexity analysis. This helps you think clearly even under pressure.
Does Phantom Code work for the coding platforms used in Final Prices With a Special Discount in a Shop interviews?
Yes. Phantom Code works with all major coding platforms including LeetCode, HackerRank, CodeSignal, CoderPad, HackerEarth, and any browser-based coding environment.
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