Homework 1

Due Date: September 10th, 2021 at 12:00pm

---

#include 
#include
using namespace std;


const short POINTS_PER_TOURNAMENT = 10;
const short POINTS_PER_CODEMON = 2;
const short POINTS_FOR_ADMIT = 30;

const float DONATION_STARTING_VALUE = 0.01;
const float DONATION_BRIMFUL_RESIDENCE_BONUS = .1;
const float DONATION_LOW_THRESHOLD      = 10000;
const float DONATION_LOW_BONUS_PERCENT  = .05;
const float DONATION_HIGH_THRESHOLD     = 100000;
const float DONATION_HIGH_BONUS_PERCENT = .10;
const float DONATION_INCOME_LOW_AMOUNT  = 200000;
const float DONATION_INCOME_LOW_BONUS   = .10;
const float DONATION_INCOME_HIGH_AMOUNT = 500000;
const float DONATION_INCOME_HIGH_BONUS  = .20;

const long MAX_TUITION = 100000000;
const long MIN_TUITION = 5000000;
const long DECIMAL_CONVERSION = 0.01;


const float SCHOLARSHIP_PER_APPLICANT  = 100;
const float SCHOLARSHIP_PER_TOURNAMENT = 5000;
const float SCHOLARSHIP_BRIMFUL_BONUS = 20000;
const float TUITION_INCREASE_INCOME = 100000;
const float TUITION_INCREASE_AMOUNT = 20000;
const float TUITION_DEFAULT = 3.50;

const short MAX_TOURNAMENTS = 50;
const short MIN_TOURNAMENTS = 0;
const short MIN_CODEMON = -1;
const short MAX_CODEMON = 30;
const float MIN_DONATION = 100;
const float MIN_INCOME = 30000;


//Description: caculates the probability an applicant will donate to the academy
//Pre: None
//Post: return the probability the applicant will donate to the academy
float calculateDonationProbability(bool &isOnTV, const float income, const float donatedMoney);

//Description: Determines if an applicant has been admitted to the acaedmy or not.
//Pre: None
//Post: Returns whether the applicant will be admitted to the academy.
bool isAdmitted(const int tournamentsWon, const float income, const int codemonOwned, const float donatedMoney, bool &isOnTV, float &score);

//Description: Determines if an applicant has been admitted to the academy or not.
//Pre: None
//Post: Returns whether the applicant will be admitted to the academy.
bool isAdmitted(const int tournamentsWon, const float income, const float donatedMoney, bool &isOnTV, float &score);

//Description: Caluclates the tuition of a student.
//Pre: None
//Post: Returns the amount an applicant will have to pay if they were to come to the acaedmy.
float calculateTuition(const int tournamentsWon, const float income, const float score,const bool isOnTV);


int main()
{

  srand(8);
  int tournamentsWon;
  float income;
  int codemonOwned;
  float donatedMoney;
  bool isOnTV = false;
  float score = 0;
  bool decision;
  float tuition;
  char tvAnswer;
  cout.setf(ios::fixed);
  cout.setf(ios::showpoint);
  cout.precision(2);

  cout << "Welcome to the Codemon Academy admission program" << endl;

  do
  {
    cout << "How many tournaments has the applicant won? ";
    cin >> tournamentsWon;
  }while(tournamentsWon > MAX_TOURNAMENTS || tournamentsWon < MIN_TOURNAMENTS);
  cout << endl;
  do
  {
    cout << "How many codemon does the applicant own? ";
    cin >> codemonOwned;
  }while(codemonOwned > MAX_CODEMON || codemonOwned < MIN_CODEMON);
  cout << endl;

  do
  {
    cout << "What is the household income of the applicant? ";
    cin >> income;
  }while(income < MIN_INCOME);
  cout << endl;

  do
  {
    cout << "Where the applicant's parents in the hit 90's TV Show \"Brimful Residence\"? (y/n)";
    cin >> tvAnswer;
  }while(tvAnswer != 'y' &&  tvAnswer != 'n');
  isOnTV = tvAnswer=='y'?true:false;
  cout << endl;

  do
  {
    cout << "How much money has this applicant paid off to the athletic director? ";
    cin >> donatedMoney;
  }while(donatedMoney < MIN_DONATION);
  cout << endl;

  if(codemonOwned != MIN_CODEMON)
  {
    decision = isAdmitted(tournamentsWon, income, codemonOwned, donatedMoney, isOnTV, score);
  }
  else
  {
    decision = isAdmitted(tournamentsWon, income, donatedMoney, isOnTV, score);
  }

  if(decision)
  {
    cout << "The student has been accepted with a score of: " << score  << endl;
    tuition = calculateTuition(tournamentsWon, income, score, isOnTV);
    cout << "The student will pay: " << tuition << endl;
  }
  else
  {
    cout << "This student has not been accepted because of a score of: " << score << endl;
  }

  return 0;
}

bool isAdmitted(const int tournamentsWon, const float income, const int codemonOwned, const float donatedMoney, bool &isOnTV, float &score)
{
  bool admit;
  float donation;
  score += (tournamentsWon * POINTS_PER_TOURNAMENT);
  score += (codemonOwned * POINTS_PER_CODEMON);
  donation = calculateDonationProbability(isOnTV,income,donatedMoney);
  score += (score * donation);

  if(score > POINTS_FOR_ADMIT)
  {
    admit = true;
  }
  else
  {
    admit = false;
  }
  return admit;
}

bool isAdmitted(const int tournamentsWon, const float income, const float donatedMoney, bool &isOnTV, float &score)
{
  score += (tournamentsWon * POINTS_PER_TOURNAMENT);
  score += (score * calculateDonationProbability(isOnTV, income, donatedMoney));
  return score;
}

float calculateTuition(const int tournamentsWon, const float income, const float score, const bool isOnTV)
{
  int intTuition = rand() % (MAX_TUITION-MIN_TUITION+1) + MIN_TUITION;
  float tuition = intTuition * DECIMAL_CONVERSION;
  float increase;
  float scholarship;
  cout << "Starting Tuition: " << tuition << endl;
  //tuition -= score;
  //tuition -= (tournamentsWon * 5000);
  //tuition  = isOnTV?(tuition - 20000):tuition;
  scholarship = (score*SCHOLARSHIP_PER_APPLICANT) + (tournamentsWon * SCHOLARSHIP_PER_TOURNAMENT) + (isOnTV?(tuition - SCHOLARSHIP_BRIMFUL_BONUS):0);
  tuition -= scholarship;
  cout << "Student Scholarship Total: " << scholarship << endl;
  //cout << "tuition after tv: "  << tuition << endl;
  increase = static_cast(static_cast(income) / TUITION_INCREASE_INCOME);
  tuition += increase * TUITION_INCREASE_AMOUNT;
  cout << "Tuition Increase: " << increase * TUITION_INCREASE_AMOUNT << endl;
  //cout << "Tuition after : " << tuition << endl;

  if(tuition <= 0)
  {
    tuition = TUITION_DEFAULT;
  }

  return tuition;

}

float calculateDonationProbability(bool &isOnTV, const float income, const float donatedMoney)
{
  float chance = DONATION_STARTING_VALUE;

  if( income > DONATION_INCOME_LOW_AMOUNT)
  {
    chance += DONATION_INCOME_LOW_BONUS;
  }
  else if (income > DONATION_INCOME_HIGH_AMOUNT)
  {
    chance += DONATION_INCOME_HIGH_BONUS;
  }

  if(isOnTV)
  {
    chance += DONATION_BRIMFUL_RESIDENCE_BONUS;
  }

  if( income < DONATION_INCOME_HIGH_AMOUNT && isOnTV == true)
  {
    isOnTV = false;
  }

  if (donatedMoney >= DONATION_HIGH_THRESHOLD)
  {
    chance += DONATION_HIGH_BONUS_PERCENT;
  }
  else if (donatedMoney >= DONATION_LOW_THRESHOLD)
  {
    chance += DONATION_LOW_BONUS_PERCENT;
  }
  cout << "donation chance: " << chance << endl;
  return chance;
}