Business problem

[audiokarate]

Well here is my program. I'm new to C++ and new to this forum. Hopefully someone can tell me how to get over this hurdle. I need to use a for loop to change the years to year 1, year 2 etc. My problem is that I need to output the estimated and adjusted salary also for each year. I am stuck! Whenever I run it like this, the years change however it only outputs the estimated and adjusted for year 1. Help??

#include <iostream>
#include <iomanip>
using namespace std;


int main()
{

	const double INFLATION_RATE = .0285;

	double annual_salary = 0;
	double growth_rate = 0;
	double yr_1 = 0,
		   yr_2 = 0,
		   yr_3 = 0;
	double adjusted_yr1 = 0,
		   adjusted_yr2 = 0,
		   adjusted_yr3 = 0;
	
	double annual_growth = 0;
	double annual_inflation = 0;
	double total_estimated = 0;
	double total_adjusted = 0;
	double growth_percent = 0;
	double annual_growthYR1 = 0;
	double annual_growthYR2 = 0;
	double annual_growthYR3 = 0;
	double annual_inflationYR2 = 0;
	double annual_inflationYR3 = 0;
	double count = 0;

	
	
	cout << "Enter your annual salary: ";
	cin >> annual_salary;
	cout << endl;

	cout << "Enter the estimated yearly rate of growth for your salary in percent: ";
	cin >> growth_percent;
	cout << endl;

	
	

	//ESTIMATED INCOME CALCULATIONS
	
	growth_rate = growth_percent/100; 
	annual_growthYR1 = annual_salary * growth_rate;
	yr_1 = annual_salary + annual_growthYR1;
	annual_growthYR2 = yr_1 * growth_rate;
	yr_2 = yr_1 + annual_growthYR2;
	annual_growthYR3 = yr_2 * growth_rate;
	yr_3 = yr_2 + annual_growthYR3;
	total_estimated = yr_1 + yr_2 + yr_3;
	
	
	// ADJUSTED INCOME CALCULATIONS

	annual_inflation = annual_salary * INFLATION_RATE;
	adjusted_yr1 = yr_1 - annual_inflation;
	annual_inflationYR2 = yr_1 * INFLATION_RATE;
	adjusted_yr2 = yr_2 - annual_inflationYR2;
	annual_inflationYR3 = yr_2 * INFLATION_RATE;
	adjusted_yr3 = yr_3 - annual_inflationYR3;
	total_adjusted = adjusted_yr1 + adjusted_yr2 + adjusted_yr3;




	for (count = 1; count < 4; ++count)
	{
	//OUTPUT
	cout << " The estimated salary for year " << count << " is " << yr_1 << endl;
	cout << " The adjusted salary for year " << count << " is " << adjusted_yr1 << endl << endl;

	
	
	}// END FOR LOOP
	
	
	
	
	cout << " The total estimated salary for all 3 years is " << total_estimated << endl 
		 << " and the total adjusted salary for all 3 years is " << total_adjusted;
	cout << endl << endl;
	cout << "***************************************************************************" << endl << endl;
	
	
	
	
	

	return(0);

}//END MAIN

[hdanw]

Well here is my program. I'm new to C++

You need to study some more. Open your book and read to chapter 6.

What you want is an array.

change this :

yr_1 = annual_salary + annual_growthYR1;
	annual_growthYR2 = yr_1 * growth_rate;
	yr_2 = yr_1 + annual_growthYR2;
	annual_growthYR3 = yr_2 * growth_rate;
	yr_3 = yr_2 + annual_growthYR3;
	total_estimated = yr_1 + yr_2 + yr_3;

to this :

yr[1] = annual_salary + annual_growthYR1;
	annual_growthYR2 = yr[1] * growth_rate;
	yr[2] = yr_1 + annual_growthYR2;
	annual_growthYR3 = yr[2] * growth_rate;
	yr[3] = yr_2 + annual_growthYR3;
	total_estimated = yr[1] + yr[2] + yr[3];

and do the same in your loop.

double yr[4];
double adjusted_yr[4]

Of course if you dont want to use arrays you can always write your loop like this :

for (count = 1; count < 4; ++count)
	{
	//OUTPUT
		 switch(count )
		 {
				 case 1:
					 cout << " The estimated salary for year " << count << " is " << yr_1 << endl;
					 cout << " The adjusted salary for year " << count << " is " << adjusted_yr1 << endl << endl;
				 break;
				 case 2:
					 cout << " The estimated salary for year " << count << " is " << yr_2 << endl;
					 cout << " The adjusted salary for year " << count << " is " << adjusted_yr2 << endl << endl;
				 break;
				 case 3:
					 cout << " The estimated salary for year " << count << " is " << yr_3 << endl;
					 cout << " The adjusted salary for year " << count << " is " << adjusted_yr3 << endl << endl;
				 break;
 
 
 
	}// END FOR LOOP

which is easier, that or this?

	for (count = 1; count < 4; ++count)
	{
	//OUTPUT
	cout << " The estimated salary for year " << count << " is " << yr[count] << endl;
	cout << " The adjusted salary for year " << count << " is " << adjusted_yr[count] << endl << endl;
 
	}// END FOR LOOP

note that the indexing actually starts at 0 (zero) and goes to one less than the specified size

type my_variable_name[size];

Good luck,

Dan -