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reading matrix from text file in c++ and adding them and then storing them in oother c++ file

Ja As answered on April 7, 2022 Popularity 1/10 Helpfulness 1/10

answer reading matrix from text file in c++ and adding them and then storing them in oother c++ file

reading matrix from text file in c++ and adding them and then storing them in oother c++ file

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#include <iostream>
using std::cerr;
using std::cout;
using std::endl;
#include <fstream>
using std::ifstream;
#include <cstdlib> // for exit function
// This program reads values from the file 'example.dat'
// and echoes them to the display until a negative value
// is read.
int main()
{
   ifstream indata; // indata is like cin
   int num; // variable for input value
indata.open("example.dat"); // opens the file
   if(!indata) { // file couldn't be opened
      cerr << "Error: file could not be opened" << endl;
      exit(1);
   }
indata >> num;
   while ( !indata.eof() ) { // keep reading until end-of-file
      cout << "The next number is " << num << endl;
      indata >> num; // sets EOF flag if no value found
   }
   indata.close();
   cout << "End-of-file reached.." << endl;
   return 0;
}

Popularity 1/10 Helpfulness 1/10 Language cpp

Source: www.bgsu.edu

Tags: c++ file matrix text

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Contributed on Apr 07 2022

Ja As

0 Answers Avg Quality 2/10

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reading matrix from text file in c++ and adding them and then storing them in oother c++ file

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