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65 lines
1.6 KiB
Markdown
65 lines
1.6 KiB
Markdown
# [1662. Check If Two String Arrays are Equivalent](https://leetcode.com/problems/check-if-two-string-arrays-are-equivalent/)
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## 题目
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Given two string arrays `word1` and `word2`, return **`true` *if the two arrays **represent** the same string, and* `false` *otherwise.*
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A string is **represented** by an array if the array elements concatenated **in order** forms the string.
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**Example 1:**
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```
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Input: word1 = ["ab", "c"], word2 = ["a", "bc"]
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Output: true
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Explanation:
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word1 represents string "ab" + "c" -> "abc"
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word2 represents string "a" + "bc" -> "abc"
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The strings are the same, so return true.
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```
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**Example 2:**
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```
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Input: word1 = ["a", "cb"], word2 = ["ab", "c"]
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Output: false
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```
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**Example 3:**
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```
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Input: word1 = ["abc", "d", "defg"], word2 = ["abcddefg"]
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Output: true
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```
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**Constraints:**
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- `1 <= word1.length, word2.length <= 103`
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- `1 <= word1[i].length, word2[i].length <= 103`
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- `1 <= sum(word1[i].length), sum(word2[i].length) <= 103`
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- `word1[i]` and `word2[i]` consist of lowercase letters.
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## 题目大意
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给你两个字符串数组 word1 和 word2 。如果两个数组表示的字符串相同，返回 true ；否则，返回 false 。数组表示的字符串 是由数组中的所有元素 按顺序 连接形成的字符串。
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## 解题思路
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- 简单题，依次拼接 2 个数组内的字符串，然后比较 str1 和 str2 是否相同即可。
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## 代码
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```go
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package leetcode
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func arrayStringsAreEqual(word1 []string, word2 []string) bool {
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str1, str2 := "", ""
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for i := 0; i < len(word1); i++ {
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str1 += word1[i]
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}
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for i := 0; i < len(word2); i++ {
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str2 += word2[i]
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}
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return str1 == str2
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}
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``` |