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;
}c++ read integers from file
int main() {
ifstream file("o.txt");
int num;
while (file >> num){
//whatever you need to do
}
}Copyright © 2021 Codeinu
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