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12 questions

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Practical engineeringMedium
Implement a GPU credit ledger with expiring grants and out-of-order operations
Companies: OpenAI
Data Structure Design · Heaps & Priority Queues
Last reported Sep 2026
Open workspace
Practical engineeringMedium
GPU Credit Ledger: Spend Earliest-Expiring Credits First, Stop on Overdraft
Companies: OpenAI
Data Structure Design · Heaps & Priority Queues
Last reported Sep 2026
Open workspace
Practical engineeringHard
GPU Credit Ledger with Expiring Grants, Out-of-Order Operations and Fast Balances
Companies: OpenAI
Data Structure Design · Heaps & Priority Queues

Interview questions by company and topic | SysRound

Last reported Sep 2026

CodingMedium

Order Tasks with Dependencies Using a Deterministic Topological Sort

Companies: OpenAI

Graphs · Heaps & Priority Queues

Last reported Sep 2026

Practical engineeringMedium

Expiring GPU Credit Ledger with Out-of-Order Events and Point-in-Time Balance

Companies: OpenAI

Data Structure Design · Heaps & Priority Queues

Last reported Sep 2026

CodingMedium

Return the Lexicographically Smallest Topological Order

Companies: OpenAI

Graphs · Heaps & Priority Queues

Last reported Aug 2026

CodingMedium

Track Expiring GPU Credits

Companies: OpenAI

Data Structure Design · Heaps & Priority Queues

Last reported Mar 2026

CodingMedium

Implement Time-Aware GPU Credit Ledger

Companies: OpenAI

Data Structure Design · Heaps & Priority Queues

Last reported Feb 2026

CodingMedium

Design an in-memory banking service

Companies: Anthropic

Data Structure Design · Heaps & Priority Queues

Last reported Sep 2025

CodingMedium

Implement an expiring GPU-credit manager

Companies: OpenAI

Data Structure Design · Heaps & Priority Queues

Last reported Sep 2025

CodingMedium

Manage GPU Credits with Expiration

Companies: OpenAI

Data Structure Design · Heaps & Priority Queues

Last reported Aug 2025

CodingMedium

Implement an expiring GPU credits ledger

Companies: OpenAI

Data Structure Design · Heaps & Priority Queues

Last reported Jul 2025