Rotations

#include<iostream>
#include<string>
#include<algorithm>

using namespace std;

int main()
{
	string s,s1;

	cin >> s;
	s1 = s + s;

	/*for (int i = 0; i < s.length()-1; i++)
	{
		s =s+ s[0];
		s.erase(0,1);
	}

	s = s[s.length() - 1] + s;
	s.erase(s.length() - 1, 1);

	rotate(s.begin(), s.begin() + s.length()-1, s.end());*/

	s1=s1.substr(s.length() - 1, s.length());

	cout << s1 << endl;
	
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: ACCEPTED

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: WRONG ANSWER