How should I practice Find a Game's Genre?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Discord onsite interview problems in FastPrep.

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Problem · Array

Find a Game's Genre

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● Easy

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Problem statement

Given parallel arrays gameNames and genres, return the genre of inputGame. The value at genres[i] belongs to the game at gameNames[i].

For this exercise, assume game names are unique and comparisons are case-sensitive. If inputGame does not occur in gameNames, return the empty string.

Function

findGameGenre(gameNames: String[], genres: String[], inputGame: String) → String

Examples

Example 1

gameNames = ["Cyber Quest","Battle Arena","Sky Adventure","Mystery World","Speed Racer"]genres = ["RPG","Action","Adventure","Puzzle","Racing"]inputGame = "Mystery World"return = "Puzzle"

Mystery World occurs at index 3, so the result is genres[3], which is Puzzle.

Example 2

gameNames = ["Cyber Quest","Battle Arena"]genres = ["RPG","Action"]inputGame = "Unknown Game"return = ""

No game name matches Unknown Game, so the function returns the empty string.

Constraints

0 <= gameNames.length <= 10000.
genres.length == gameNames.length.
Every value in gameNames and genres is non-empty.
Values in gameNames are unique.
Comparisons are case-sensitive.