[pradeep rawat]

i have a file in which only numbers are der like
23
34
45
i m reading it and adding but its not happening
these are my codes

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

int main()
{

int sum=0;
ifstream in("outfile.txt" );

  if(!in) {
    cout << "Cannot open input file.\n";
    return 1;
  }

 if (in)
{

  for(int i = 0; i < 2 ; i++)
sum = sum + ch;
 cout << sum  << " \n";
  in.close();

  return 0;
}}

This post has been edited by no2pencil: 04 December 2012 - 07:15 AM
Reason for edit:: Added Code Tags

[AKMafia001]

Where did ch come from? sum = sum + ch;

Quote

i m reading it and adding but its not happening

Because you have opened a file and you are not reading from it... You need to use the in object you have created to read from the file...

Here is a tutorial about file I/O... Read it!

[JackOfAllTrades]

How the hell is this related to your original post?

SMFH

Split into new topic.