**Project Overview: Detecting Duplicates in School Election Voting**Some students have organized an election to determine the new leaders of their school club. Each member of the club has a unique ID that they use when voting. However, the election managers suspect that some members have voted twice.**Task:**Write a program to read in member IDs and check if there are any repeated values. If an ID has already been used, output a line in this format:`REPEAT: The ID BE45N6 has already been counted!`Stop reading input after the value "STOP" is encountered. Then output a line showing how many unique members voted in this format:`After excluding repeats, 45 unique members voted.`**Code Snippet Explanation:**Below is a simple C++ code structure to solve the problem:```cpp#include using namespace std;int main() { // TODO: Write your code here cout << "REPEAT: The ID " << "AAA00A" << " has already been counted!" << endl; cout << "After excluding repeats, " << 0 << " unique members voted." << endl;}```**Code Explanation:**- The program is structured to demonstrate how to identify duplicate votes in an election.- Initially, it includes the iostream library to handle input and output operations.- Using the `std` namespace simplifies the code by allowing direct access to functions like `cout`.- The `main()` function is where the program execution begins.- `TODO` comments indicate where you should write the actual logic to process member IDs, check for duplicates, and tally unique votes.- Two `cout` statements demonstrate the expected output format for when a duplicate ID is detected and when displaying the count of unique votes.The code structure will need logic for storing and checking IDs, responding to duplicates, and calculating the total number of unique votes to be fully functional.

Program code: //including necessary header files #include <iostream> #include <vector> using namespace std; //main method int main() { // A vector of string to store ID's vector<string> IDs; //displaying message to the user cout << "Enter member IDs: " << endl; //while loop while(true) { //declaring required variables string id; // reading ID's as input from the user cin >> id; // if user enters stop or STOP if(id == "STOP" || id == "stop") { break; } //otherwise else { // Checking if there is any repeated id already in IDs bool isUnique = true; //for loop for (int i=0; i<IDs.size(); i++) { //checking repeated value if(IDs[i] == id) { //if non-unique value found isUnique = false; //displaying given message to the user cout << "REPEAT: The ID " << id << " has already been counted!" << endl; break; } } // adding user entered element to the vector //only if it is unique if(isUnique) { //adding element IDs.push_back(id); } } } // Finally displaying the number of unique member IDs cout << "After excluding repeats, " << IDs.size() << " unique members voted." << endl; return 0; }//end of main method Sample output:

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Some students have organized an election to determine the new leaders of their school club. Each member of the club has a unique ID that they can use when they vote. However, the election managers suspect that some members have voted twice. Write a program to read in member IDs and check if there are any repeated values. If an ID has already been used, output a line in this format: REPEAT: The ID BE45N6 has already been counted! Stop reading input after reading the value "STOP". Then output a line showing how many unique members voted in this format After excluding repeats, 45 unique members voted. X Full Screen ¢ p5.pp O include O New using namespace std3; int main() { // TODO: Write your code here cout "REPEAT: The ID" "AABBAB" * has already been counted!" endl; 10 11 cout "After excluding repeats, " «e " unique members voted." endl; 12 }

Some students have organized an election to determine the new leaders of their school club. Each member of the club has a unique ID that they can use when they vote. However, the election managers suspect that some members have voted twice. Write a program to read in member IDs and check if there are any repeated values. If an ID has already been used, output a line in this format: REPEAT: The ID BE45N6 has already been counted! Stop reading input after reading the value "STOP". Then output a line showing how many unique members voted in this format After excluding repeats, 45 unique members voted. X Full Screen ¢ p5.pp O include O New using namespace std3; int main() { // TODO: Write your code here cout "REPEAT: The ID" "AABBAB" * has already been counted!" endl; 10 11 cout "After excluding repeats, " «e " unique members voted." endl; 12 }

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.

Question

**Project Overview: Detecting Duplicates in School Election Voting**

Some students have organized an election to determine the new leaders of their school club. Each member of the club has a unique ID that they use when voting. However, the election managers suspect that some members have voted twice.

**Task:**
Write a program to read in member IDs and check if there are any repeated values. If an ID has already been used, output a line in this format:

`REPEAT: The ID BE45N6 has already been counted!`

Stop reading input after the value "STOP" is encountered. Then output a line showing how many unique members voted in this format:

`After excluding repeats, 45 unique members voted.`

**Code Snippet Explanation:**

Below is a simple C++ code structure to solve the problem:

```cpp
#include <iostream>
using namespace std;

int main() {
// TODO: Write your code here

cout << "REPEAT: The ID " << "AAA00A" << " has already been counted!" << endl;

cout << "After excluding repeats, " << 0 << " unique members voted." << endl;
}
```

**Code Explanation:**
- The program is structured to demonstrate how to identify duplicate votes in an election.
- Initially, it includes the iostream library to handle input and output operations.
- Using the `std` namespace simplifies the code by allowing direct access to functions like `cout`.
- The `main()` function is where the program execution begins.
- `TODO` comments indicate where you should write the actual logic to process member IDs, check for duplicates, and tally unique votes.
- Two `cout` statements demonstrate the expected output format for when a duplicate ID is detected and when displaying the count of unique votes.

The code structure will need logic for storing and checking IDs, responding to duplicates, and calculating the total number of unique votes to be fully functional.

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