学步园

第四周作业——图的表示

#include <iostream>
#include <fstream>
#include <string>

using namespace std;

int GetNumOfData(char* fileName)  
{  
	ifstream fin;  

	int temp;  
	int numOfData = 0;       

	fin.open(fileName);   


	while (!fin.eof())  
	{  
		numOfData++;  
		fin>>temp;        
	}  
	cout<<"The number of data is: "<<numOfData<<endl; 
	fin.close();  

	return numOfData;  
}  

void ReadFile(char* fileName, int* data, int num, int Node[20][2])  
{  
	ifstream fin;  
//	int Node[20][2];
	int i = 0;
	int p = 0;
	fin.open(fileName); 
	for (i = 0; i < num; i++)  
	{
			fin>>data[i];
	}  

	for (int k = 0; k < 13; k++)
	{

		for (int j = 0; j < 2; j++)
		{
			Node[k][j] = data[p];
			p++;
		}
	}

	fin.close();  
}  

void WriteFile(char* fileName, int* data, int num, int AdjacencyMatrix[13][13])  
{  
	ofstream fout;  
	fout.open(fileName);  
	for (int i = 0; i < 13; i++)  
	{  
		for (int j = 0; j < 13; j++)
		{
			fout<<AdjacencyMatrix[i][j]<< " ";  
		}
		fout<<endl;
	}  
	fout.close();  
}  

void GraphRepresentation(int* data, int num, int Node[20][2], int AdjacencyMatrix[13][13])
{ 
	int node1 = 0;
	int node2 = 0;
//	int AdjacencyMatrix[13][13];
	for (int n = 0; n < 13; n++)
	{
		for (int m =0; m < 13; m++)
		{
			AdjacencyMatrix[n][m] = 0;
		}
	}
	
	for (int k = 0; k < num / 2; k++)
	{
		node1 = Node[k][0];
		node2 = Node[k][1];
	
		AdjacencyMatrix[node1][node2] = 1;
		AdjacencyMatrix[node2][node1] = 1;
	}
	cout<<"success"<<endl;
}

void main()
{
	int Node[20][2];
	int AdjacencyMatrix[13][13];
	int numOfData = GetNumOfData("d:\\tinyG.txt");
	int* data = new int[26];

	ReadFile("d:\\tinyG.txt", data, numOfData, Node);

	GraphRepresentation(data, numOfData, Node, AdjacencyMatrix);
	
	
	WriteFile("d:\\tinyG_matrix.txt", data, numOfData, AdjacencyMatrix);
	
}