Hi guys, I was asked to do below question in phone screen for a leading firm recently. Seems to be a graph based problem. can it be done in 15 mins, is it LC easy?
// Given a list of currency pairs and the rates between these two currencies:
// USD = 6.4CNY, CNY = 0.13 EUR, EUR = 0.87 GBP, GBP = 89.4 INR, ...
//
// Question: Input two currencies, return the rate
// Example: CNY, INR; return 10.1111
// Complexity?
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