smallest, largest so far is …

Bjarne Stroustrup “Programming Principles and Practice Using C++”
Chapter 4 Drill 6
Using std_lib_facilities.h by Bjarne Stroustrup.

//	Philipp Siedler
//	Bjarne Stroustrup's PP
//	Chapter 4 Drill 6

#include "std_lib_facilities.h"

int main()
{
	cout << "type in doubles to be compared or a '|' to terminate the program:\n";
	vector<double> numbers;
	double x;

	while (cin >> x)
	{
		numbers.push_back(x);
		cout << "you entered: " << x << "\n";
		sort(numbers);
		if (x == numbers[0]){
			cout << "the smallest so far is: " << x << "\n";
		}
		if (x == numbers[numbers.size() - 1]){
			cout << "the largest so far is: " << x << "\n";
		}
		cout << "\n";
	}
}
Output:
type in doubles to be compared or a '|' to terminate the program:
2.3
you entered: 2.3
the smallest so far is: 2.3
the largest so far is: 2.3

2.1
you entered: 2.1
the smallest so far is: 2.1

5.6
you entered: 5.6
the largest so far is: 5.6

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