// AKwBZ1.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream> 
#include <fstream>
#include <stdio.h>
#include <string>
#include <sstream>

using namespace std;

int GRAPH[20][20] = {};
int TOTV;
void printGraph(int V)
{
	cout << "   ";
	for (int b = 0; b < V; b++)
		cout << b + 1 << " ";
	cout << endl;
	for (int i = 0; i<V; i++)
	{
		cout << i + 1 << "| ";
		for (int j = 0; j<V; j++)
		{
			
			cout << GRAPH[i][j] << " ";
		}
		cout << endl;
	}
}

void load()
{
	ifstream in;
	int inV, outV;
	int i = 0;
	string line;
		in.open("data.txt");
		if (in.is_open())
		{
			getline(in, line);
			TOTV = stoi(line);
			
			while (in.good())
			{ 
				getline(in, line);
				stringstream ssin(line);
				while (ssin.good()) {
					ssin >> outV;
					ssin >> inV;
					GRAPH[outV-1][inV-1]++;
				}
			}
		}
		else
		{
			cout << "Error loading";
		}
}

int main()
{
	string cmd;
	load();
	printGraph(TOTV);
	while (1) 
	{
		cout << "Input command: ";
		cin >> cmd;
		if (cmd == "exit" || cmd=="e")
			return 0;
		else if (cmd == "print")
			printGraph(TOTV);
	}
    return 0;
}