leetcodeSolution to some Leetcode problems written in C++ |
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1071.cpp (201B)
0 class Solution {
1 public:
2 string gcdOfStrings(string str1, string str2) {
3 if (str1 + str2 != str2 + str1) return "";
4 return str1.substr(0, gcd(str1.size(), str2.size()));
5 }
6 };