How should I practice Spam Classification?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Salesforce online assessment problems in FastPrep.

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FastPrep tags this as a Salesforce online assessment coding practice problem when the problem catalog has that company and stage context.

Problem · String

Spam Classification

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● Easy

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Problem statement

For MTS role.

You are given a list of texts and a list of spam words. Classify each text as "spam" if it contains at least 2 spam words, and "not spam" otherwise. Spam words and texts are case-insensitive.

Approach "I" used: Converted spamWords to lowercase and stored in a HashSet. Iterated through each text, split it into words, normalized them to lowercase, and counted how many match spam words. Marked it as "spam" if the count was 2 or more.

Edge Case: Spam words can repeat, and each occurrence must be counted.

Function

classifyTexts(texts: String[], spamWords: String[]) → String[]

Examples

Example 1

texts = ["Free prize worth millions", "Ten tips for a carefree lifestyle"]spamWords = ["free", "money", "win", "millions"]return = ["spam", "not_spam"]

Problem statement

Function

Examples

Example 1

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