my9.23（输入输出，写操作）

#include <iostream>
#include <fstream>
using namespace std;
void write(int data,int len)
{
    int numberOfData=data;
    int pNum[1000];
    for (int i=0; i<len ; i++)
        pNum[i]= numberOfData;

    fstream dataFile;
    dataFile.open("text.txt",ios::out);
    if(!dataFile)
    {
        cout<<"fail to dataFile"<<endl;
        exit(0);
    }
    for (int i=0;i<len;i++)
        dataFile<<pNum[i];
    dataFile.close();

}
int main()
{    
    int a, b;
    cout<<"enter two number, please"<<endl;
    cin>> a >> b ;
    int max , min;
    if (a>b)
        {
             min=b;
             max=a;
        }
    else
        if(a<b)
        {
         min=a , 
         max =b;
        }
        int len=max-min+1;
        cout<<"the number is "<<endl;
    for(int v = min ; v<=max ; ++v)    
        {
            cout<<v<<" ";
            if((v-min+1)%10==0)
                cout<<endl;
        

            write(v,len);
        }
    return 0 ;
}