判断输入的字符串是不是可以由子串多次重复构成

//判断输入的字符串是不是可以由子串多次重复构成
#include<iostream>
#include<string>
using namespace std;
class Solution {
public:
	bool repeated(string s)
	{
		int n = s.size();
		string temp1 = "";
		string temp2 = "";
		for (int i = 2; i <= n; ++i)
		{
			if (n % i == 0)
			{
				int length = n / i;
				temp1 = string(s.begin(), s.begin() + length);
				for (int j = 0; j < i; ++j)
					temp2 += temp1;
			}
			if (temp2 == s)
				cout << temp1 << endl;
				return true;

			temp2 = "";
		}
		return false;
	}
};
int main()
{
	string str;
	cin >> str;
	//Solution().repeated(str);
	cout << Solution().repeated(str) << endl;
	system("pause");
	return 0;
}

原文地址：https://www.cnblogs.com/277223178dudu/p/11372282.html