1662. Check If Two String Arrays are Equivalent

https://leetcode.com/problems/check-if-two-string-arrays-are-equivalent

Description

Given two string arrays word1 and word2, returntrue if the two arrays represent the same string, and false otherwise.

A string is represented by an array if the array elements concatenated in order forms the string.

Example 1:

**Input:** word1 = ["ab", "c"], word2 = ["a", "bc"]
**Output:** true
**Explanation:**
word1 represents string "ab" + "c" -> "abc"
word2 represents string "a" + "bc" -> "abc"
The strings are the same, so return true.

Example 2:

**Input:** word1 = ["a", "cb"], word2 = ["ab", "c"]
**Output:** false

Example 3:

**Input:** word1  = ["abc", "d", "defg"], word2 = ["abcddefg"]
**Output:** true

Constraints:

• 1 <= word1.length, word2.length <= 103

• 1 <= word1[i].length, word2[i].length <= 103

• 1 <= sum(word1[i].length), sum(word2[i].length) <= 103

• word1[i] and word2[i] consist of lowercase letters.

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