package it.simone.google.code.jam2012;

import java.util.HashSet;
import java.util.Set;

public class RecycledNumber implements GoogleCodeExercise {

	int a = 0;
	int b = 0;
	Set<Couple> distinctCouple = null;
	long maxTime = 0;

	private class Couple {
		int x = 0;
		int y = 0;

		public Couple(int x, int y) {
			this.x = x;
			this.y = y;
		}

		@Override
		public int hashCode() {
			final int prime = 31;
			int result = 1;
			result = prime * result + getOuterType().hashCode();
			result = prime * result + x;
			result = prime * result + y;
			return result;
		}

		@Override
		public boolean equals(Object obj) {
			if (this == obj)
				return true;
			if (obj == null)
				return false;
			if (getClass() != obj.getClass())
				return false;
			Couple other = (Couple) obj;
			if (!getOuterType().equals(other.getOuterType()))
				return false;
			if (x == other.x && y == other.y)
				return true;
			if (x == other.y && y == other.x)
				return true;
			return false;
		}

		private RecycledNumber getOuterType() {
			return RecycledNumber.this;
		}

	}

	@Override
	public String execute(String line) {
		int result = 0;

		String[] data = line.split(" ");
		a = Integer.parseInt(data[0]);
		b = Integer.parseInt(data[1]);
		initialize();

		int n = a;
		//
		while (n <= b) {
			result += analize(n);
			n++;
//			if (n % 1000 == 0)
//				System.out.println(n);
		}

		System.out.println(result);
		return "" + result;
	}

	@Override
	public void initialize() {
		distinctCouple = new HashSet<Couple>();
	}

	private int analize(int number) {
		String numString = "" + number;
		initialize();
		for (int i = 1; i < numString.length(); i++) {
			int m = shift(numString, i);
			if (a <= number && number < m && m <= b) {
				Couple couple=new Couple(number,m);
				if (!distinctCouple.contains(couple))
					distinctCouple.add(couple);
			}
		}
		return distinctCouple.size();
	}

	private int shift(String numString, int posx) {

		String result = null;
		result = "" + numString.substring(posx) + numString.substring(0, posx);

		return Integer.parseInt(result.toString());
	}

}

package com.menzus.gcj._2012.qualification.c;

import java.util.HashSet;
import java.util.Set;

import com.menzus.gcj.common.OutputProducer;

public class COutputProducer implements OutputProducer<CInput, COutputEntry> {

    @Override
    public COutputEntry produceOutput(CInput input) {
	int lowerLimit = input.getLowerLimit();
	int upperLimit = input.getUpperLimit();
	long recycledPairNumber = 0;
	Set<Integer> pairs = new HashSet<Integer>();
	for (int i = lowerLimit; i < upperLimit; i++) {
	    pairs.clear();
	    int numberLength = getNumberLength(i);
	    int numberMajor = getMajorNumber(i);
	    int rotatedNumber = i;
	    for (int j = 0; j < numberLength - 1; j++) {
		rotatedNumber = rotateNumber(rotatedNumber, numberMajor);
		if (numberLength == getNumberLength(rotatedNumber)) {
		    if (rotatedNumber >= lowerLimit && rotatedNumber <= upperLimit && rotatedNumber > i) {
			if (!pairs.contains(rotatedNumber)) {
			    recycledPairNumber++;
			    pairs.add(rotatedNumber);
			}
		    }
		}
	    }
	}
	COutputEntry outputEntry = new COutputEntry();
	outputEntry.setRecycledPairNumber(recycledPairNumber);
	return outputEntry;
    }

    //
    // private int rotateNumber(int i, int majorNumber) {
    // return (i / 10) + ((i % 10) * majorNumber);
    // }

    private int rotateNumber(int i, int majorNumber) {
	return ((i % majorNumber) * 10) + (i / majorNumber);
    }

    private int getMajorNumber(int i) {
	if (i < 10) {
	    return 1;
	} else if (i < 100) {
	    return 10;
	} else if (i < 1000) {
	    return 100;
	} else if (i < 10000) {
	    return 1000;
	} else if (i < 100000) {
	    return 10000;
	} else if (i < 1000000) {
	    return 100000;
	} else {
	    return 1000000;
	}
    }

    private int getNumberLength(int i) {
	if (i < 10) {
	    return 1;
	} else if (i < 100) {
	    return 2;
	} else if (i < 1000) {
	    return 3;
	} else if (i < 10000) {
	    return 4;
	} else if (i < 100000) {
	    return 5;
	} else if (i < 1000000) {
	    return 6;
	} else {
	    return 7;
	}
    }
}
