Halloween SalePremium questions, over 30% offUnlock all premium questions for over 30% off
Exchange Rate Finder
Medium
You are given a set of currency exchange relationships. Each relationship specifies a direct exchange rate between two currencies. Rates are bidirectional: if the rate from currency A to currency B is r, then the rate from B to A is 1/r. The best exchange rate between two currencies is the maximum value achievable by multiplying the rates along any valid path through the currency network.
Implement the CurrencyConverter class:
...
Asked at:Coinbase
More Coinbase interview questions
- Order Matching Enginehard
- OA[CodeSignal] Design Banking Systemhard
- OA[CodeSignal] Cloud File Storage Systemhard
- Transaction Systemhard
- Crypto Trading System Streammedium
- Food Delivery Systemmedium
- Blockchain Miningmedium
- Generate NFTmedium
OfferRetriever
Master technical interviews with real questions from top companies. Build your confidence and career.
LEGAL
© 2026 Purple Business Holdings LLC. All rights reserved. See Terms of Service.