Question

Write a C++ program reads the grades. Declare a variable of type ifstream which is used to input a stream from a file: ifstream input; // input is the name of the variable Use the input operator (>>) to read data from the above file: input >> score1 >> score2 << score3; //

Answer 1

C++ Program :

#include<iostream>
#include<fstream>
using namespace std;
int main()
{
    int score1,score2,score3;               //to store values of score 
    string s;
    cout<<"ENTER FILE NAME :";           //name for file
    cin>>s;
    ifstream input(s);                  //ifstream class for reading 
    while(input>>score1>>score2>>score3)        //loop will iterate till file will not reach to eof
    {   
        cout<<score1<<" "<<score2<<" "<<score3<<endl;
    }
    return 0;
}

file.txt content :

Output:

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