Watch 10 video solutions for Report Spam Message, a medium level problem involving Array, Hash Table, String. This walkthrough by Top SWE has 616,527 views views. Want to try solving it yourself? Practice on FleetCode or read the detailed text solution.
You are given an array of strings message and an array of strings bannedWords.
An array of words is considered spam if there are at least two words in it that exactly match any word in bannedWords.
Return true if the array message is spam, and false otherwise.
Example 1:
Input: message = ["hello","world","leetcode"], bannedWords = ["world","hello"]
Output: true
Explanation:
The words "hello" and "world" from the message array both appear in the bannedWords array.
Example 2:
Input: message = ["hello","programming","fun"], bannedWords = ["world","programming","leetcode"]
Output: false
Explanation:
Only one word from the message array ("programming") appears in the bannedWords array.
Constraints:
1 <= message.length, bannedWords.length <= 1051 <= message[i].length, bannedWords[i].length <= 15message[i] and bannedWords[i] consist only of lowercase English letters.