Code : 
/*
* Author: Soumyodeep Mondal
*/

//header file to include all standard library header file
#include <bits/stdc++.h>
using namespace std;

int main() {
 
    //file stream declaration
    fstream txtfile;
    string stringcontent, targetfilename;
 
    //name of the file which we will read through cpp program
    targetfilename = "targetfile.txt";
 
    //open the targetfile.txt
    txtfile.open(targetfilename.c_str());
 
    //reading the string of the targetfile.txt
    while (txtfile >> stringcontent) {
        cout << stringcontent;
    }
    return 0;
}
Output :
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IDE Used To Test This Code : Dev C++

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