1662. Check If Two String Arrays are Equivalent
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.
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| class Solution {
public:
bool arrayStringsAreEqual(vector<string>& A, vector<string>& B) {
while(A.size() and B.size()) {
if(A.back().back() != B.back().back()) return false;
A.back().pop_back();
B.back().pop_back();
if(A.back().empty()) A.pop_back();
if(B.back().empty()) B.pop_back();
}
return A.empty() and B.empty();
}
};
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