Insert numbers and print their squares || File Handling || C++
In this we are going to see a program of File Handling to insert any numbers and print their squares in C++ Programming Language. 
 


The Code given below can be used in TURBO C++ Compilers: -

#include <iostream.h>
#include <fstream.h>
#include <math.h>
#include<conio.h>

void main()
{
    char line1[10];
    int arr[5];
    fstream file;
    file.open("xyz.txt", ios::in | ios::out);
    cout << "Enter 5 numbers separated with space: ";
    getline(cin, line1);
    file << line1;
    file.seekg(0, ios::beg);

    for (int i = 0; i < 5; i++)
    {
	file >> arr[i];
	cout << pow(arr[i], 2) << endl;
    }

    file.close();
    getch();
}

//.......Coded by SAHIL SHAIKH


The Code given below can be used in gcc/g++ Compilers: -

#include <iostream>
#include <fstream>
#include <math.h>
using namespace std;

int main()
{
    string line1;
    int arr[5];
    fstream file;
    file.open("xyz.txt", ios::in | ios::out);
    cout << "Enter 5 numbers separated with space: ";
    getline(cin, line1);
    file << line1;
    file.seekg(0, ios::beg);

    for (int i = 0; i < 5; i++)
    {
        file >> arr[i];
        cout << pow(arr[i], 2) << endl;
    }

    file.close();
}

//.......Coded by SAHIL SHAIKH

#ENJOY CODING

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