# LeetCode 1087. Brace Expansion

Description https://leetcode.com/problems/brace-expansion/ You are given a string s representing a list of words. Each letter in the word has one or more…

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Description https://leetcode.com/problems/fibonacci-number/ The Fibonacci numbers, commonly denoted F(n) form a sequence, called the Fibonacci sequence, such that each number is the sum of the…

Description https://leetcode.com/problems/decode-string/ Given an encoded string, return its decoded string. The encoding rule is: k[encoded_string], where the encoded_string inside the square brackets is…