由于二重指针不能直接指向二维数组,因此此处输出到txt文档的函数不使用指针参数,但出现了乱码,有待研究中
#include <iostream>
#include "stdafx.h"
#include <fstream>
#include <string.h>
using namespace std;
#define NUM_AMOUNT 26 //有连接边的顶点数为26
#define VERTEX_NUM 13 //图的顶点数为13
#define EGDE_NUM 13 //边的数目为13
void getDataFromFile(const char *filename,int *data) //将txt文档的数字存入data数组
{
ifstream fin;
int index = 0;
fin.open(filename, ios::in);
if (!fin)
{
cerr << "the fucking file openning failed!" << endl;
exit(1);
}
//忽略读入顶点数和边数
fin.ignore(5,'/n');
while(!fin.eof())
{
fin >> data[index++];
}
fin.close();
//return index;
}
void writeToFile(const char * fileneme, int tem_array[VERTEX_NUM][VERTEX_NUM], int index) //将排序好的数组数据写入新的txt文档
{
fstream datafile;
datafile.open(fileneme, ios::out|ios::trunc);
if (!datafile)
{
cerr << "file open failed!" << endl;
exit(1);
}
for (int i = 0; i < index; i ++)
{
for (int j = 0; j < index; j ++)
{
datafile << tem_array[i][j];
}
}
datafile.close();
}
//template <class DataType>
class GraphRepresentation
{
public:
GraphRepresentation(int array[], int v, int e);
~GraphRepresentation(){};
void pullMatrix(int array[]); //对邻接矩阵数组填充0和1
void printMatrix(); //打印邻接矩阵数组
void getMatrix(int tem_array[VERTEX_NUM][VERTEX_NUM]);
private:
int vertexNum, egdeNum;
int adj_matrix[VERTEX_NUM][VERTEX_NUM];
//int vertex[VERTEX_NUM];
//int egde[EGDE_NUM][EGDE_NUM];
};
GraphRepresentation::GraphRepresentation(int array[], int v, int e)
{
vertexNum = v;
egdeNum = e;
for (int i = 0; i < VERTEX_NUM; i ++) //初始化邻接矩阵数组
{ for (int j = 0; j < VERTEX_NUM; j ++)
{
adj_matrix[i][j] = 0;
}
}
}
void GraphRepresentation::pullMatrix(int array[])
{
int a = 0,b = 0;
for (int i = 0; i < NUM_AMOUNT - 1; i = i +2)
{
a = array[i];
b = array[i + 1];
adj_matrix[a][b] = adj_matrix[b][a] = 1;
}
}
void GraphRepresentation::printMatrix()
{
for (int i = 0; i < VERTEX_NUM; i ++)
{
for (int j = 0; j < VERTEX_NUM; j ++)
{
cout << adj_matrix[i][j] << " ";
}
cout << endl;
}
}
void GraphRepresentation::getMatrix(int tem_array[VERTEX_NUM][VERTEX_NUM])
{
for (int i = 0; i < VERTEX_NUM; i ++)
{
for (int j = 0; j < VERTEX_NUM; j ++)
{
tem_array[i][j] = adj_matrix[i][j];
}
}
}
int main()
{
int * data = new int[NUM_AMOUNT];
int adj_tem_matrix[VERTEX_NUM][VERTEX_NUM];
int matrix_num = VERTEX_NUM * VERTEX_NUM;
getDataFromFile("tinyG.txt", data);
GraphRepresentation mGraph(data, VERTEX_NUM, EGDE_NUM);
mGraph.pullMatrix(data);
mGraph.printMatrix();
mGraph.getMatrix(adj_tem_matrix);
writeToFile("tinyG_matrix.txt", adj_tem_matrix, matrix_num);
delete []data;
return 0;
}