C++ Program to Check if a string can be obtained by rotating another string 2 places

// C++ program to check if a string 
// is two time rotation of another string.
#include<bits/stdc++.h>
using namespace std;

// Function to check if string2 is 
// obtained by string 1
bool isRotated(string str1, 
               string str2)
{
    if (str1.length() != str2.length())
        return false;
    if(str1.length()<2){
      return str1.compare(str2) == 0;
    }
    string clock_rot = "";
    string anticlock_rot = "";
    int len = str2.length();

    // Initialize string as anti-clockwise 
    // rotation
    anticlock_rot = anticlock_rot +
                    str2.substr(len-2, 2) +
                    str2.substr(0, len-2) ;

    // Initialize string as clock wise 
    // rotation
    clock_rot = clock_rot +
                str2.substr(2) +
                str2.substr(0, 2) ;

    // check if any of them is equal 
    // to string1
    return (str1.compare(clock_rot) == 0 ||
            str1.compare(anticlock_rot) == 0);
}

// Driver code
int main()
{
    string str1 = "geeks";
    string str2 = "eksge";

    isRotated(str1, str2) ? cout << "Yes"
                          : cout << "No";
    return 0;
}