C++ Program, most code is finished just need additinal help. I will post instructions and code I already have. I need this done in two hours please!

Instructions:

Step 1. (5 points) In class CoinPurse, write two CoinPurse constructors: default: set all coin counts to zero; do not allow the coin counts to be uninitialed. 2nd: set all coin counts to non-negative initial values; use parameters for: quarter, dime, nickel, penny. To save time, you can use parameters: q, d, n, p. IMPORTANT: prohibit negative values - if negative coin value given, use 0 instead. Tip: you can combine both of these into one constructor using default parameters

Step 2. (5 points) In main, in one statement, declare a new CoinPurse object called purse and initialize purse with: 4 quarters, 3 dimes, 2 nickels, 1 penny

Step 3. (5 points) In class CoinPurse, write the definition for a new public member function: total_value. total_value returns the total value of all quarters, dimes, nickels and pennies in a CoinPurse object. For example: a purse with 4 quarters, 3 dimes, 2 nickels and 1 penny has a total value of (4*25)+(3*10)+(2*5)+(1*1)=141 (cents) This is a getter / accessor, and should be marked const.

Step 4. (5 points) In main, write code to call the total_value method on the purse object. Display the returned value, which is the total value of the coins in purse. Format the output so it displays in dollars and cents. Example: $1.41 Hint: setprecision, fixed

Step 5. (5 points) In class CoinPurse, implement a mutator/setter called set() which sets the coin counts of all coins. Pre-validate any new coin counts; do not allow any coin count to be less than zero. If the ANY of the coin counts are invalid (negative), do not modify ANY coin counts. If the set() succeeds, return true; if the set() fails, return false.

Step 6. (5 points) To avoid redundant code and insure proper validation, modify constructor(s) as needed to call set() instead of having redundant checking code.

Step 7. (5 points) In class CoinPurse, write a show() method that outputs the number of each .coin in the purse in one string, like this: "(q=4 d=3 n=2 p=1)" (no endl or " ") Another option is to return a string. The caller can cout the string. This way, class CoinPurse is no longer dependent upon iostream.

Step 8. (5 points) In main, call set to change the values in purse to: 8 quarters, 7 dimes, 6 nickels, 5 pennies. In main, call show to display the contents of purse (number of each coin).

Step 9. (5 points) In class CoinPurse, write a modify() method that modifies coin counts using a positive (increment), negative (decrement) or zero (keep the same) value. For example: purse.modify(0, 0, 2, -3) This will: keep quarters, dimes the same; increase nickels by 2, and decrease pennies by 3. IMPORTANT! Do not allow coin counts to become less than zero! If ANY coin will become negative, don't make any changes. If modify() succeeds, return true; if modify() fails, return false

Step 10 (10 points) In main, write a menu driven loop that allows the user the add or remove coins from purse. In a loop, display the total value, coins and options. Use s to stop (q is for quarter). For example: $3.05 (q=8 d=7 n=6 p=5) Modify p)enny n)ickel d)ime q)uarter s)top: p -3 $3.02 (q=8 d=7 n=6 p=2) Modify p)enny n)ickel d)ime q)uarter s)top: n 0 $3.02 (q=8 d=7 n=6 p=2) Modify p)enny n)ickel d)ime q)uarter s)top: d 2 $3.12 (q=8 d=9 n=6 p=2) Modify p)enny n)ickel d)ime q)uarter s)top: q -4 $2.12 (q=4 d=9 n=6 p=2) Modify p)enny n)ickel d)ime q)uarter s)top: s Use the provided get_value function to get the option letter and the count. Your user interface should look similar to example above.

Important: Use if (cin >> x) checking so invalid numeric input does not cause crash or infinite loop. You can use get_input code developed earlier to provide one function for getting input. Required!

Step 11 (5 points) Test your code as described above in Step 10 and paste the output at the bottom.

Code:

#include #include #include using namespace std;

class CoinPurse { private: int quarters, dimes, nickels, pennies;

public: // Step 1) Write two CoinPurse constructors: // default: set all coin counts to zero // 2nd: set all coin counts to initial values; use parameters for: // penny, nickel, dime, quarter please combine both of these into one // constructor

// Step 6) avoid redundant code, call set() in constructor(s)

CoinPurse(); CoinPurse(int, int, int, int);

// Step 3) Write total_value to return total value of coins in CoinPurse // object int total_value() const; // return total cents as int // getters should be marked as const

// Step 5) Implement set() which modifies the coin counts bool set(int, int, int, int);

// Step 7) write show() method that outputs the number of each coin in the // purse // in one string, like this: "q=4 d=3 n=2 p=1" (don't << endl;) void show() const;

// Step 9) write modify() method to modify coin counts using a positive // (increment), negative (decrement) or zero (keep the same) value. bool modify(int, int, int, int); };

template // This is provided. Use it to get values from the user. T get_value(const string &prompt = "enter value: ", const string &errmsg = " invalid, try again ", T value_min = -numeric_limits::max(), T value_max = numeric_limits::max()); // Hint: char option = get_value("Modify p)enny n)ickel d)ime q)uarter // s)top: ");

int main() { cout << "COSC 1337 Exam 2 CoinPurse" << endl;

// Step 2) declare CoinPurse object called purse; // initialize with: 4 quarters, 3 dimes, 2 nickels, 1 penny

// Step 4) Call the total_value method on purse; display the result formatted // as: $x.xx

// Step 8) Call set to change values in purse to: 8 quarters, 7 dimes, 6 // nickels, 5 pennies. // Call show to display the contents of purse

// Step 10) write menu driven loop that allows the user the add or remove // coins from purse.

// Step 12 EXTRA CREDIT) add c)ents option that allows the user to add a // specific amount of cents

cout << endl << "Goodbye!" << endl; // this should appear as the last line of your output return EXIT_SUCCESS; // Use return 0 if EXIT_SUCCESS is undefined }

template T get_value(const string &prompt = "enter value: ", const string &errmsg = " invalid, try again ", T value_min = -numeric_limits::max(), T value_max = numeric_limits::max()) { T value{}; while (true) { if (prompt != "") cout << prompt; if (cin >> value and value >= value_min and value <= value_max) return value; else { cin.clear(); cin.ignore(numeric_limits::max(), ' '); if (errmsg != "") cout << errmsg; } } }