2023-11-24 13:37:41 +0000 UTC
Greatest Common Divisor of Strings
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class Solution {
public:
string gcdOfStrings(string str1, string str2) {
if (str1 + str2 == str2 + str1) {
return str1.substr(0, std::gcd(str1.size(), str2.size()));
}
return "";
}
};