// Assignment No: 6
// Name: Vaibbhav Hokr
// Roll No: COSA69
// Division: A
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
class item {
public:
char name[10];
int quantity;
int cost;
int code;
// Overloading equality operator for comparison
bool operator==(const item& i1) {
return code == i1.code;
// Overloading less than operator for sorting by code
bool operator<(const item& i1) {
return code < i1.code;
};
// Vector to store items
vector<item> o1;
void insert() {
item i1;
cout << "\nEnter item name: ";
cin >> i1.name;
cout << "Enter item quantity: ";
cin >> i1.quantity;
cout << "Enter item cost: ";
cin >> i1.cost;
cout << "Enter item code: ";
cin >> i1.code;
o1.push_back(i1);
void print(item& i1) {
cout << "\nItem Name: " << i1.name;
cout << "\nItem Quantity: " << i1.quantity;
cout << "\nItem Cost: " << i1.cost;
cout << "\nItem Code: " << i1.code;
void display() {
if (o1.empty()) {
cout << "\nNo items to display!";
} else {
for_each(o1.begin(), o1.end(), print);
void search() {
vector<item>::iterator p;
item i1;
cout << "\nEnter item code to search: ";
cin >> i1.code;
p = find(o1.begin(), o1.end(), i1);
if (p == o1.end()) {
cout << "\nItem not found!";
} else {
cout << "\nItem found:";
print(*p);
void dlt() {
vector<item>::iterator p;
item i1;
cout << "\nEnter item code to delete: ";
cin >> i1.code;
p = find(o1.begin(), o1.end(), i1);
if (p == o1.end()) {
cout << "\nItem not found!";
} else {
o1.erase(p);
cout << "\nItem deleted!";
// Sort items by code (default sort)
void sortItemsByCode() {
sort(o1.begin(), o1.end());
cout << "\nItems sorted by Code!";
}
// Sort items by cost
bool compareByCost(const item& i1, const item& i2) {
return i1.cost < i2.cost;
void sortItemsByCost() {
sort(o1.begin(), o1.end(), compareByCost);
cout << "\nItems sorted by Cost!";
int main() {
int ch;
do {
cout << "\n\n*** Menu ***";
cout << "\n1. Insert Item";
cout << "\n2. Display Items";
cout << "\n3. Search Item";
cout << "\n4. Sort Items by Cost";
cout << "\n5. Sort Items by Code";
cout << "\n6. Delete Item";
cout << "\n7. Exit";
cout << "\nEnter your choice: ";
cin >> ch;
switch (ch) {
case 1: insert(); break;
case 2: display(); break;
case 3: search(); break;
case 4: sortItemsByCost(); display(); break;
case 5: sortItemsByCode(); display(); break;
case 6: dlt(); break;
case 7: exit(0);
default: cout << "\nInvalid choice!";
} while (ch != 7);
return 0;
Output :
*** Menu ***
1. Insert Item
2. Display Items
3. Search Item
4. Sort Items by Cost
5. Sort Items by Code
6. Delete Item
7. Exit
Enter your choice: 1
Enter item name: Book
Enter item quantity: 20
Enter item cost: 100
Enter item code: 101
*** Menu ***
1. Insert Item
2. Display Items
3. Search Item
4. Sort Items by Cost
5. Sort Items by Code
6. Delete Item
7. Exit
Enter your choice: 1
Enter item name: Pen
Enter item quantity: 50
Enter item cost: 20
Enter item code: 102
*** Menu ***
1. Insert Item
2. Display Items
3. Search Item
4. Sort Items by Cost
5. Sort Items by Code
6. Delete Item
7. Exit
Enter your choice: 4
Items sorted by Cost!
Item Name: Pen
Item Quantity: 50
Item Cost: 20
Item Code: 102
Item Name: Book
Item Quantity: 20
Item Cost: 100
Item Code: 101
