swer the given question with a proper explanation and step-by-step solution. Can someone help me on why my code is not e

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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Answer the given question with a proper explanation and step-by-step solution.

Can someone help me on why my code is not executing?

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readcandyData(fileName, candySales);
while (true) {
cout << "Menu: " << endl;
cout << "1. Show Total Sales by Region for Each Candy Type" << endl;
cout << "2. Display Sales by Region for a Specific Candy Type" << endl;
cout << "3. Exit" << endl;
int choice;
cout << "Enter your choice: ";
cin >> choice;
switch (choice) {
case 1:
showTotalSales ByRegion (candySales);
break;
case 2:
string candy;
cout << "Enter candy type: ";
cin.ignore());
getline(cin, candy);
displaySalesByRegion (candySales, candy);
break;
case 3:
cout << "Exiting..." << endl;
return 0;
default:
cout << "Invalid choice. Please enter a valid option." << endl;
return 0;
Transcribed Image Text:72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 readcandyData(fileName, candySales); while (true) { cout << "Menu: " << endl; cout << "1. Show Total Sales by Region for Each Candy Type" << endl; cout << "2. Display Sales by Region for a Specific Candy Type" << endl; cout << "3. Exit" << endl; int choice; cout << "Enter your choice: "; cin >> choice; switch (choice) { case 1: showTotalSales ByRegion (candySales); break; case 2: string candy; cout << "Enter candy type: "; cin.ignore()); getline(cin, candy); displaySalesByRegion (candySales, candy); break; case 3: cout << "Exiting..." << endl; return 0; default: cout << "Invalid choice. Please enter a valid option." << endl; return 0;
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#include <iostream>
#include <fstream>
@
#include <vector>
#include <string>
#include <sstream>
using namespace std;
const int NUM_CANDIES = 3;
const int NUM_REGIONS = 5;
| };
void readCandyData(const string& fileName, vector<CandySales >& candySales) {
struct CandySales {
string candy;
int sales [NUM_REGIONS];
| }
ifstream inputFile(fileName);
if (!inputFile.is_open()) {
cerr << "Error opening file: " << fileName << endl;
exit (1);
string line;
getline (inputFile, line);
while (getline(inputFile, line)) {
istringstream ss (line);
CandySales candyData;
ss >> candyData.candy;
for (int i = 0; i < NUM_REGIONS; ++i) {
ss >> candyData.sales[i];
candySales.push_back(candyData);
inputFile.close();
void showTotalSales By Region (const vector<CandySales>& candySales) {
cout << "Total Sales by Region for Each Candy Type:" << endl;
cout << ".
<< endl;
for (const CandySales& candyData: candySales) {
cout << candyData.candy << ": ";
for (int i= 0; i < NUM_REGIONS; ++i) {
cout << candyData.sales[i] << " ";
cout << endl;
void displaySales ByRegion (const vector<CandySales>& candySales, const string& candy) {
cout << "Sales by Region for " << candy << " for All Twelve Months:" << endl;
_" << endl;
cout <<
for (const CandySales& candyData : candySales) {
if (candyData.candy == candy) {
int main() {
cout << candyData.candy << ": ";
for (int i = 0; i < NUM_REGIONS; ++i) {
cout << candyData.sales[i] << " ";
cout << endl;
break;
string fileName = "wonka.txt";
vector<CandySales> candySales;
Transcribed Image Text:1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 0 #include <iostream> #include <fstream> @ #include <vector> #include <string> #include <sstream> using namespace std; const int NUM_CANDIES = 3; const int NUM_REGIONS = 5; | }; void readCandyData(const string& fileName, vector<CandySales >& candySales) { struct CandySales { string candy; int sales [NUM_REGIONS]; | } ifstream inputFile(fileName); if (!inputFile.is_open()) { cerr << "Error opening file: " << fileName << endl; exit (1); string line; getline (inputFile, line); while (getline(inputFile, line)) { istringstream ss (line); CandySales candyData; ss >> candyData.candy; for (int i = 0; i < NUM_REGIONS; ++i) { ss >> candyData.sales[i]; candySales.push_back(candyData); inputFile.close(); void showTotalSales By Region (const vector<CandySales>& candySales) { cout << "Total Sales by Region for Each Candy Type:" << endl; cout << ". << endl; for (const CandySales& candyData: candySales) { cout << candyData.candy << ": "; for (int i= 0; i < NUM_REGIONS; ++i) { cout << candyData.sales[i] << " "; cout << endl; void displaySales ByRegion (const vector<CandySales>& candySales, const string& candy) { cout << "Sales by Region for " << candy << " for All Twelve Months:" << endl; _" << endl; cout << for (const CandySales& candyData : candySales) { if (candyData.candy == candy) { int main() { cout << candyData.candy << ": "; for (int i = 0; i < NUM_REGIONS; ++i) { cout << candyData.sales[i] << " "; cout << endl; break; string fileName = "wonka.txt"; vector<CandySales> candySales;
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