#include 
     
      #include 
      
       using namespace std;void main(){	char buf[1024*50]={0};	//读	ifstream inFile;	inFile.open("cloudComputing.txt");	//inFile.open("D:\\testout.dat",ios::in);	int arr =0;	while (inFile.good())	{		inFile>>buf[arr];		arr++;	}	inFile.close();	//写	ofstream outFile;	//outFile.open("D:\\testout.dat",ios::out);	outFile.open("D:\\cloudComputingNew.txt",ios::app);//ios::app表示在文件末尾写	for (int i =0; i<= arr; i++)	{		outFile<
      
     

　　参见：