Works on Everything
Works on all interviewing platforms used by companies.
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Proof
Watch me get an offer from Amazon using Interview Coder. Throughout this whole video, you'll see me use Interview Coder for both the OA and the final round.
Skeptical? Watch the entire, uncut technical interview here.
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Interview Coder now uses o3-mini.
We shit on hards now.
How to Use Interview Coder
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Welcome to Interview Coder
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Toggle Visibility
⌘B
Quit App
⌘Q
Capture the Problem
Start taking screenshots
Use ⌘ + H to capture the problem. Up to 5 screenshots will be saved and shown on the application.
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Solve
Get your solutions
Once you've captured your screenshots, press ⌘ + ↵ to generate solutions. We'll analyze the problem and provide a solution with detailed explanations.
Problem Statement
Extracting problem statement...
Debug and Optimize
Debug your solutions
If the solutions are incorrect or you need an optimization, take extra screenshots of your code with ⌘ + H. Press ⌘ + ↵ again and we'll debug and optimize your code, with before and after comparisons.
What I Changed (Read these aloud)
The current solution uses nested loops, resulting in O(n²) time complexity.
We can optimize this by using a hash map to store previously seen numbers.
This reduces time complexity to O(n) with O(n) space trade-off.
Solution
1def twoSum(nums: List[int], target: int) -> List[int]:
2 seen = {} # Value -> Index mapping
3 for i, num in enumerate(nums):
4 complement = target - num
5 if complement in seen:
6 return [seen[complement], i]
7 seen[num] = i
8 return [] # No solution foundComplexity
Time Complexity: O(n)
Space Complexity: O(n)
Commands we love
These commands are designed to be natural and easy to remember.
⌘ + B
Hide/show the Interview Coder window instantly.
⌘ + H
Problem Mode:Capture screenshots of the interview question and requirements.
Solution Mode:Take screenshots of your code to get optimization suggestions.
⌘ + ↵
Problem Mode:Generate an initial solution with detailed explanations based on the problem screenshots.
Solution Mode:Debug and optimize your existing solution based on your code screenshots.
⌘ + ↑↓←→
Move the window around your screen without touching the mouse.
⌘ + R
Reset everything to start fresh with a new problem.
⌘ + Q
Quit the application to remove the functionality of all keyboard commands.
Common Questions
Everything you need to know about Interview Coder.
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