dynamic memory math....

Hello guys was watching the tut for dynamic memory... (ill try to jump boring stuff) and failed to do something...

So lets get to the point, What i want to do is when the user types the many numbers they ask AND Then type all of his numbers, i just want to get sum of all those numbers he/she inputted... i just wanted to test DM with a full info, on calulator im making ( which its specifically is a Circuit calculator of Series And Paralel )

PS. im not asking for homework... only a piece of work im making i just need to know how to do math in p[n] << has in the tutorial.
Why don't you use a variable to store the sum of all numbers inputted by the user.

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// Example
int sum = 0, amount, current;
cin >> amount; // Get amount of numbers to store.
int *array = new int[amount];

for (int i=0; i < amount; i++) {
	cin >> current;
	array[i] = current;
	sum += current;
}

You can also go over your array once you're done adding the numbers but that would be redundant.
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