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Trouble reinitializing values with subprograms

tybalttheappleEater (34)
Hi, I'm trying to make a cash register program, but first I need to reinitialize ones, fives, tens, and twenties to their correct dollar amount. However, whenever I try to pass the user inputted values to the function that calculates the correct dollar amount, it just prints the same number.
Can anyone please help me?

Here's my code: 

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#include <iostream>
#include <string>

using namespace std;



//dollarAMT - recalculates the actual dollar amount
void dollarAMT(int ones, int fives, int tens, int twenties){

	int newOne = ones;
	int newFives = fives * 5;
	int newTens = tens * 10;
	int newTwenties = twenties * 20;
	
	//reinitialize dollar amount
	ones = newOne;
	fives = newFives;
	tens = newTens;
	twenties = newTwenties;


}


int main() {

	string command;

	int till;
	int ones;
	int fives;
	int tens;
	int twenties;


	cout << "Enter cash: ones fives tens twenties" << endl;

	cin >> ones >> fives >> tens >> twenties;

	dollarAMT(ones, fives, tens, twenties);

	
	cout << ones << " " << fives << " " << tens << " " << twenties << endl;

	return 0;





}
keskiverto (10402)
Use by reference function parameters.
tybalttheappleEater (34)
Ooooooh,
It's working now thanks :)
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