FastPrepGPU Credit Ledger with a Negative-Balance Failure State

GPU Credit Ledger with a Negative-Balance Failure State

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Problem statement

Process a time-aware GPU credit ledger from the operations in operations.

The problem statement continues
Pro

Examples

Example 1

operations = ["ADD a 4 0 10","ADD b 3 0 5","SUBTRACT 5 1","BALANCE 1","BALANCE 6"]return = ["2","2"]

The subtraction consumes all three credits from b and two from a. The two remaining credits in a are active at both queried timestamps.

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FastPrep Pro
Reported in 1 OpenAI interview this week

Unlock this recently reported problem

FastPrep Pro gives you full access to interview problems reported within the last week.

  • Full problem statement and constraints
  • 1 more worked example, explained
  • Guided hints and editorial
  • Run your code on real test cases
$8.25/month

$99 billed yearly — or $19 month-to-month. Cancel anytime.

Free plan — 2 of 2 free unlocks used this week