Project 1

Offline Batch - Kirubhakaran.

#include <iostream> //std cpp library
#include<string.h> //library for string
#include<fstream> //std library for file handling
using namespace std;

string name[3] = {" Ramu ", " Raju ", " Shyam "}; //declare IT staffs name
int n = 5, m=2; //declare commodities and vendor numbers
string commodities[]={" Laptop "," Mouse  "," Headset "," LapBag "," Adapter "}; //list of commodities
int *vendors = new int(n*m); //dynamic memory allocate for vendors list
int *purchase = new int(n*3); //dynamic memory allocate for commodities list
fstream data_file;

void ITsupport()
{
    cout<< endl<<"Commodities to be purchased for "<< name[0] << endl;
    data_file<< endl<<"Commodities to be purchased for "<< name[0] << endl;
    for(int i=0;i<n;i++)
    {int j=0;
        cout<< "Enter no of " << commodities[i] << "needed : ";
        cin>>purchase[j*n+i];
        data_file<<commodities[i]<<"needed : "<<purchase[j*n+i]<<"\n";
    }//to get input from user for ramu

    cout<< endl<<"Commodities to be purchased for "<< name[1] <<endl;
    data_file<< endl<<"Commodities to be purchased for "<< name[1] << endl;
    for(int i=0;i<n;i++)
    {int j=1;
        cout<<"Enter no of "<<commodities[i]<<"needed : ";
        cin>>purchase[j*n+i];
        data_file<<commodities[i]<<"needed : "<<purchase[j*n+i]<<"\n";
    }//to get input from user for raju

    cout<< endl<<"Commodities to be purchased for "<< name[2] <<endl;
    data_file<< endl<<"Commodities to be purchased for "<< name[2] << endl;
    for(int i=0;i<n;i++)
    {int j=2;
         cout<<"Enter no of "<<commodities[i]<<"needed : ";
         cin>>purchase[j*n+i];
         data_file<<commodities[i]<<"needed : "<<purchase[j*n+i]<<"\n";
    }//to get input from user for shyam
}

void vendordetails()
{
    cout << endl <<"enter the price of vendor 1 :" <<endl;
    for(int i=0;i<n;i++)
    { int j=0;
        cout<<"Enter price of"<<commodities[i];
        cin>>vendors[i*n+j];
    }

    cout << endl <<"enter the price of vendor 2 :" <<endl;
    for(int i=0;i<n;i++)
    { int j=1;
        cout<<"Enter price of"<<commodities[i];
        cin>>vendors[i*n+j];
    } //get vendor price list from user

    data_file<<endl<<"commodities\t\t"<<"vendor 1\t"<<" Vendors 2"<<endl<<endl;
     for(int i=0;i<n;i++)
     {
        data_file<<commodities[i]<<"\t\t";
        for(int j=0;j<m;j++)
        {
            data_file<<vendors[i*n+j]<<"\t\t\t";
        }
      data_file<<endl<<endl;
     }//write the vendor details in the file
}

void totalvalue1()
{
     int total[m];

         cout << endl;
         data_file<< endl;

     for(int j=0;j<m;j++)
     {
         total[j]=0;
          for(int i=0;i<n;i++)
               total[j]=total[j]+(*(purchase+i)* *(vendors+j));

          cout<<"Total of "<<"Vendor-"<<j+1<<" is\t"<<total[j]<<endl;
          data_file<<"Total of "<<"Vendor-"<<j+1<<" is\t"<<total[j]<<endl;
     } //calculate the total value according to the vendors price list

     int max=total[0];
     for(int i=1;i<m;i++)
     {
          if(max>total[i])
          {
               max=total[i];
          }
     } //to find the best value for purchase
     cout<<"Vendor with total amount "<<max<<" is best purchase for "<<name[0] <<endl;
     data_file<<"Vendor with total amount "<<max<<" is best purchase for "<<name[0] <<endl;
}

void totalvalue2()
{
     int total[m];

         cout << endl;
         data_file<< endl;

     for(int j=0;j<m;j++)
     {
         total[j]=0;
          for(int i=0;i<n;i++)
            total[j]=total[j]+(*(purchase+i+5)* *(vendors+j));

          cout<<"Total of "<<"Vendor-"<<j+1<<" is\t"<<total[j]<<endl;
          data_file<<"Total of "<<"Vendor-"<<j+1<<" is\t"<<total[j]<<endl;
     } //calculate the total value according to the vendors price list

     int max=total[0];
     for(int i=1;i<m;i++)
     {
          if(max>total[i])
          {
               max=total[i];
          }
     } //to find the best value for purchase
     cout<<"Vendor with total amount "<<max<<" is best purchase for "<<name[1] <<endl;
     data_file<<"Vendor with total amount "<<max<<" is best purchase for "<<name[1] <<endl;
}

void totalvalue3()
{
     int total[m];

         cout << endl;
         data_file<< endl;

     for(int j=0;j<m;j++)
     {
         total[j]=0;
          for(int i=0;i<n;i++)
            total[j]=total[j]+(*(purchase+i+10)* *(vendors+j));

          cout<<"Total of "<<"Vendor-"<<j+1<<" is\t"<<total[j]<<endl;
          data_file<<"Total of "<<"Vendor-"<<j+1<<" is\t"<<total[j]<<endl;
     }//calculate the total value according to the vendors price list

     int max=total[0];
     for(int i=1;i<m;i++)
     {
          if(max>total[i])
          {
               max=total[i];
          }
     }//to find the best value for purchase
     cout<<"Vendor with total amount "<<max<<" is best purchase for "<<name[2] <<endl;
     data_file<<"Vendor with total amount "<<max<<" is best purchase for "<<name[2] <<endl;
}

int main()
{
    data_file.open("C:\\Users\\hp\\Desktop\\my file.txt",ios::out); //to create a file in write mode
    ITsupport(); // to give the commodities details form user
    vendordetails(); // to give the vendor details form user
    totalvalue1(); //to calculate the value for IT support 1
    totalvalue2(); //to calculate the value for IT support 2
    totalvalue3(); //to calculate the value for IT support 3

    return 0;
}