Question

How to input and print a number in C++

Answer 1

#include <iostream>

using std::cout;
using std::cin;
using std::endl;

int main()
{
	int number;

	cout << "Enter a number: ";
	cin >> number;

	cout << "The number is: " << number << endl;

	return 0;
}



/*
run:

Enter a number: 100
The number is: 100

*/

 

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Answer 2

#include <iostream>

int main()
{
	using namespace std;

	int number;

	cout << "Enter a number: ";
	cin >> number;

	cout << "The number is: " << number << endl;

	return 0;
}



/*
run:

Enter a number: 100
The number is: 100

*/

 

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