Calculate Shopping bill

// c++ code to calculate




#include<bits/stdc++.h>
using namespace std;

int main()
{
    cout<<"Welcome to the online shopping center!!!"<<endl;
    
    
   
    cout<<"Check out the following items : "<<endl;
    cout<<endl;
    cout<<"1) Sugar: 80/- kg, 2) Tea: 120/- kg, 3)Milk: 50/- lit"<<endl;
    cout<<"4) Blue pen: 10/- 1p, 5)Notebook: 45/- 1p, 6) Bread: 45/- pp"<<endl;
    cout<<"7) Rice: 40/- kg, 8) Tur daal: 80/- kg, 9) Wheat: 30/- kg"<<endl;
    cout<<"10) Moong dal: 120/-, 11) Chocolates: 10/- 1p, 12) Butter: 70/- pp"<<endl;
    cout<<endl;
    cout<<"Please enter the number of items in your list: "<<endl;
    int n;
    cin>>n;
    
    string arr[n];
    
    cout<<"Please enter the items in your list: "<<endl;
    cout<<endl;
    for(int i=0;i<n;i++)
    {
        cin>>arr[i];
    }
    
    cout<<"The items entered are: "<<endl;
    cout<<endl;
    for(int i=0;i<n;i++)
    {
        cout<<arr[i]<<endl;
    }
    
    int sum=0;
    
    for(int i=0;i<n;i++){
    if(arr[i]=="Sugar")
    {
        sum+=80;
    }
    else if(arr[i]=="Tea"){
        sum+=120;
    }
    else if(arr[i]=="Milk"){
        sum+=50;
    }
    else if(arr[i]=="Blue Pen"){
        sum+=10;
    }
    else if(arr[i]=="Notebook"){
        sum+=45;
    }
    else if(arr[i]=="Bread"){
        sum+=45;
    }
    else if(arr[i]=="Rice"){
        sum+=40;
    }
    else if(arr[i]=="Tur Daal"){
        sum+=80;
    }
    else if(arr[i]=="Wheat"){
        sum+=30;
    }
    else if(arr[i]=="Moong dal"){
        sum+=120;
    }
    else if(arr[i]=="Chocolates"){
        sum+=10;
    }
    else if(arr[i]=="Butter"){
        sum+=70;
    }
}

cout<<"Your total bill: "<<sum<<endl;
}