ConsoleApplication4 cpp Defines the entry point for the console applic

// ConsoleApplication4.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <vector>
using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
	const int length = 5;
	int i, j, k;
	int arr_from[length] = { 1, 3, 0, 0, 2 };
	int arr_to[length] = { 2, 2, 1, 3, 0 };
	int res_from[length] = { 0 };
	int res_to[length] = { 0 };
	vector<int> head(0,0);
	vector<int> body(0,0);	

	cout << "Graph:" << endl;
	for (i = 0; i < length; ++i)
	{
		cout << arr_from[i] << " -> " << arr_to[i] << endl;		
	}
	cout << endl;	

	for (i = 0; i < length; ++i)
	{
		for (j = k = 0; j < length; ++j)		
			if (arr_from[j] < arr_from[i] || (arr_from[i] == arr_from[j] && i < j)) k++;
			res_from[k] = arr_from[i];
			res_to[k] = arr_to[i];
	}
	cout << endl;

	cout << "Sorted:" << endl;
	for (i = 0; i < length; ++i)
	{
		cout << res_from[i] << " -> " << res_to[i] << endl;
	}
	cout << endl;

	int tmp;
	k = 0;
 	for (i = 0; i < length; ++i)
	{
		if (res_from[i] == res_from[i + 1])
		{
			head.push_back(res_to[i]);
			body.push_back(res_to[i + 1]);
		}
		else
		{
			for (j = 0; j < length; ++j)
			{
				if (i == res_from[j])
				{
					head[k] = res_to[j];
					body[k] = -1;
				}
			}
		}
		k++;		
	}
	cout << endl;

	cout << "List: " << endl;
	for (i = 0; i < length; ++i)
	{
		cout << head[i] << " -> " << body[i] << endl;
	}
	

	
	return 0;
}