Reading and processing numbers froma file

[Sundevil65]

I'm trying to read a line of numbers from a "file.dat". (i.e., 2 66 78 3 45 23 65). I need to read the value of single digit and count the numbers after it. Of course I'm the fstream ios. Thanks

++++++++++++++++++++++++

#include <iostream.h>
#include <fstream.h>
#include <assert.h>
#include <iomanip.h>


int main ()

{
int reading;

ifstream inStream;
inStream.open(&quot;average.dat&quot;
assert (inStream.is_open());

while (! inStream.eof()){
inStream >> reading;
int sum = 0;
int i;
int avg = 0;
//int count = 0;
for (int index = 0; index < 5; index++){
sum += reading[0];
//count++;
}
cout << sum << endl;
cout << index << endl;

//avg = sum/index;
//cout << sum << avg << endl;
}
inStream.close();
return 0;
}

 

[Sidro]

hi,

I love these types of problems.Its short and easy.Reminds me of the first time Ive programmed. Here you go, hope this helps.

#include<iostream>
#include<fstream>
using namespace std;

void main()
{
ifstream Infile(&quot;dat.txt&quot;
int Sum=0,Average=0,ReadIn=0,Count=0;

if(!Infile) //Check if file can be opened. cout<<&quot;Cannot open file!&quot;;
Infile>>ReadIn;
while(Infile) // Read file loop
{
Sum = ReadIn + Sum; //Compute Sum.
Infile>>ReadIn;
Count=Count+1;
}
Average = Sum/count; //Compute Average
cout<<&quot;The sum = &quot;<<Sum<<&quot; Average = &quot;<<Average<<endl;
}

 

[Sundevil65]

Thanks for your help!