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Leetcode Daily Question
2.45K subscribers
Leetcode Daily Question
leetcode.com
2025-12-13
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3606.coupon-code-validator
🏷️
Tags
#array
#hash_table
#string
#sorting
Telegraph
coupon-code-validator
You are given three arrays of length n that describe the properties of n coupons: code, businessLine, and isActive. The ith coupon has:
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Solution
