Calculate Streaming Token Usage Costs
Last updated: July 8, 2026
Quick Overview
Calculate the total cost of streaming token usage based on given parameters such as token price and usage duration.
Anthropic
July 8, 202614
0
124 solved
Calculate the total cost of streaming token usage based on given parameters such as token price and usage duration.
This question is typically asked during onsite interviews for software engineering roles at Anthropic to assess a candidate's ability to work with algorithms and perform calculations efficiently. The interviewer is evaluating the candidate's problem-solving skills, coding proficiency, and understanding of cost calculations in a streaming context.
What the Interviewer Expects
- Clearly define the problem and requirements.
- Provide a structured approach to solving the problem.
- Implement a correct and efficient algorithm.
- Discuss the time and space complexity of the solution.
- Include edge cases and how they are handled.
Key Topics to Cover
How to Approach This
- Clarify input constraints and edge cases before writing code.
- Walk through your approach verbally and confirm with the interviewer before coding.
- Start with a brute force solution, then optimize. Mention time and space complexity.
- Test your solution with examples, including edge cases like empty input or duplicates.
- Consider common patterns: sliding window, two pointers, hash map, BFS/DFS, dynamic programming.
Possible Follow-up Questions
- How would you optimize this algorithm for larger datasets?
- Can you explain how you would handle edge cases?
- What changes would you make if the token price fluctuates dynamically?
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Practice DSA ProblemsSample Answer
Approach
To solve the problem of calculating streaming token usage costs, we need to first understand the parameters involved. We will define the total cost as the product of the number of tokens used and the ...
Algorithm
We can break down the algorithm into the following steps:
- Input Parameters: Accept the number of tokens used and the price per token.
- Cost Calculation: Multiply the number of tokens by t...
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