Error finding the largest and the smallest number

[zizau]

I writed a program in wich you can enter 10 numbers and then calculate the sum and the average of all numbers and also find the largest and the smallest number.
I have and error finding the largest and the smallest number. I don't know what's wrong.

I writed the following code:

#include <iostream>
using namespace std;

int main()
{
	double num[10];
	double sum = 0, largest, smallest, avg;
	int i = 0;
	for (i = 0; i < (sizeof(num) / sizeof(num[0])); i++)
	{
		cout << i+1 << ".Enter a number: ";
		cin >> num[i];
	}
	cout << endl;
	cout << "You entered the following numbers: " << endl;
	for (i = 0; i < (sizeof(num) / sizeof(num[0])); i++)
	{
		cout << num[i] << ' ';

		sum = (num[i]) + sum; //sum
		
		largest = smallest = num[0];

		largest = largest > num[i] ? largest : num[i]; //largest
		
		smallest = smallest < num[i] ? smallest : num[i]; //smallest

		avg = sum / (sizeof(num) / sizeof(num[0])); //average
	}
	cout << endl << endl;
	cout << "SUM:\t\t" << sum << endl;
	cout << "LARGEST:\t" << largest << endl;
	cout << "SMALLEST:\t" << smallest << endl;
	cout << "AVERAGE:\t" << avg << endl;
	cout << endl;
	return 0;
}

[AbstractionAnon]

Line 22: You're resetting largest and smallest each time through the loop. This line should be after line 15.

Line 28: You're recalculating avg each time through the loop. This is harmless, but should really be after line 29 since you only need to do it once.

[zizau]

Thank you, now everything works fine!