Vending Machine State Controller

Medium Applied C++ OOP Mini Projects

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Problem Statement

Model a `VendingMachine` handling `balance` and `price`. Accept deposit commands (`DEPOSIT x`), purchase (`BUY`), or refund (`REFUND`). Print final balance or item status directly.

Input Format

Line 1: item price P. Line 2: N commands.

Output Format

Print final balance float (2 decimals) or 'DISPENSED' / 'INSUFFICIENT' / 'REFUNDED'.

Constraints

P > 0, N >= 1

Sample Input

2.00
3
DEPOSIT 1.00
DEPOSIT 1.00
BUY

Sample Output

DISPENSED

Explanation

Deposited 2.00 matches price 2.00, item is dispensed.

Starter Code

#include <iostream>
#include <string>

class VendingMachine {
public:
    // Write your code here
};

int main() {
    // Implement I/O logic here
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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