#include <iostream.h>
#include <fstream.h>
#include <string.h>
#include <process.h>

void main()
{

       char a[100];
       ifstream test;
       //test open
                test.open("c:\\test.txt", ios::in|ios::nocreate);
       if (!test)
          cout<<"error";
       else
                          cout<<"success";
       //test delete
                strcpy(a,"del ");
       strcat(a, "C:\\test1.txt");
       system(a);
    

}