c++ input text file code example
Example 1: read a file c++
// reading a text file
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main () {
string line;
ifstream myfile ("example.txt");
if (myfile.is_open())
{
while ( getline (myfile,line) )
{
//use line here
}
myfile.close();
}
else cout << "Unable to open file";
return 0;
}
Example 2: file reading c++
int a, b;
ifstream bd;
myfile.open("file.txt");
if (myfile.is_open())
while (bd >> a >> b)
cout << a << b << endl;
else cout << "ERROR";