leetcode 1662. Check If Two String Arrays are Equivalent（python）

描述

Given two string arrays word1 and word2, return true 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

Note:

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.

解析

根据题意，只需要将 word1 和 word2 按照顺序将元素拼接起来形成字符串进行比较即可，相等为 true ，否则为 false

解答

class Solution(object):def arrayStringsAreEqual(self, word1, word2):""":type word1: List[str]:type word2: List[str]:rtype: bool"""return "".join(word1) == "".join(word2)

运行结果

Runtime: 16 ms, faster than 91.14% of Python online submissions for Check If Two String Arrays are Equivalent.
Memory Usage: 13.5 MB, less than 53.17% of Python online submissions for Check If Two String Arrays are Equivalent.

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

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leetcode 1662. Check If Two String Arrays are Equivalent（python）

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