public interface SpeedyAlgorithms {
    /**
     * The function runs in constant time. 
     * @param data some data
     */
    void orderOne(int[] data);

    /**
     * This function runs in time that is equivalent to O(log(data.length))
     * @param data some data
     */
    void orderLogN(int[] data);

    /**
     * This function runs in time O(data.length)
     * @param data some data
     */
    void orderN(int[] data);

    /**
     * This function runs in time O(data.length^2)
     * @param data some data
     */
    void orderNSquared(int[] data);

    /**
     * This function runs in time O(data.length^3)
     * @param data some data
     */
    void orderNCubed(int[] data);

    /**
     * This function runs in time O(data.length*(data.length-1)*(data.length-2)*...)
     * @param data some data
     */
    void orderNFactorial(int[] data);
}