string-problems-cpp/Rotate_string_by_two.cpp at main · adityaPorwal14/string-problems-cpp · GitHub

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#include<iostream>
#include<string>
using namespace  std;

void rotateclockwise(string &s) {

        char c = s[s.size()-1];
        int index = s.size() -2;

        while(index >= 0) {
            s[index+1] = s[index];
            index --;
        }

        s[0] = c;
    }

    void rotateanticlockwise(string &s) {
        char c = s[0];
        int index = 1;

        while(index < s.size()) {
            s[index-1] = s[index];
            index++;
        }

        s[s.size()-1] = c;
    }

int main() {
    string str1 = "amazon";
    string str2 = "azonam";

    string clockwise = str1;
    string anticlockwise = str1;

    rotateclockwise(clockwise);
    rotateclockwise(clockwise);

    if(clockwise == str2){
    cout<<"clockwise";
    return 1;

    }

    rotateanticlockwise(anticlockwise);
    rotateanticlockwise(anticlockwise);

    if(anticlockwise == str2){
    cout<<"anticlockwise";
    return 1;

    }

    cout << "no match";
}