Question

How to input and output up to N numbers into float array in C++

Answer 1

#include <iostream>

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

int main()
{
	const int TOTAL = 20;
	float arr[TOTAL], n;
	int i;

	cout << "Enter up to 20 float numbers (Quit with a letter):" << endl;
	for (i = 0; i < TOTAL &&  cin >> n; i++)
		arr[i] = n;

	int last = i;
	for (i = 0; i < last; ++i)
		cout << arr[i] << ' ';

	cout << endl;
	
	return 0;
}

/*
run:

Enter up to 20 float numbers (Quit with a letter):
3.14
8.3
7.19
9.1
8.9
1.05
a
3.14 8.3 7.19 9.1 8.9 1.05

*/

 

70+ SQL courses for beginners and professionals