动态数组点云数据处理

#include <iostream>
#include <fstream>
using namespace std;
int main(int argc, char* argv[])
{
ifstream fin;
ofstream fout;
fin.open("D:\\VC++project\\dataprogram\\ScanfData\\20140808Data\\keyboard.txt");
if(fin.fail()) 
{  
cout<<"Input file opening failed.\n";
exit(1);
} 
fout.open("D:\\VC++project\\dataprogram\\ScanfData\\20140808Data\\data.txt");
if(fout.fail()) 
{  
cout<<"Output file opening failed.\n";
exit(1);
}
char ch;
int lines=0;
while(fin.get(ch))
{
 if(ch=='\n')
 ++lines;
}
double **data;
data=new double*[lines];
for(int i=0;i<lines;++i)
{