难度简单6
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。
示例 1:
输入:word1 = ["ab", "c"], word2 = ["a", "bc"] 输出:true 解释: word1 表示的字符串为 "ab" + "c" -> "abc" word2 表示的字符串为 "a" + "bc" -> "abc" 两个字符串相同,返回 true
示例 2:
输入:word1 = ["a", "cb"], word2 = ["ab", "c"] 输出:false
示例 3:
输入:word1 = ["abc", "d", "defg"], word2 = ["abcddefg"] 输出:true
提示:
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]
和word2[i]
由小写字母组成
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class Solution {
public:
bool arrayStringsAreEqual(vector<string>& word1, vector<string>& word2) {
string str1, str2;
for(auto str: word1){
str1 += str;
}
for(auto str: word2){
str2 += str;
}
return str1 == str2;
}
};