Question

This project will allow you to practice with one dimensional arrays, function and the same time review the old material. You must submit it on Blackboard and also demonstrate a run to your instructor.

General Description: The National Basketball Association (NBA) needs a program to calculate the wins-losses percentages of the teams.

Write a complete C++ program including comments to do the following:

Create the following:

•a string array that holds the names of the teams

•an integer array that holds the number of wins for the corresponding team

•an integer array that holds the number of losses for the corresponding team

•A double array that holds the percentage for the corresponding team

•a function named ‘displayMenu’

•a  function named ‘calculateStats’

•a  function named ‘maxPercent’

•a  function named ‘minPercent’

•a  function named ‘printReport’

•a  function named ‘sortPercentage’

•a  function named ‘sortAlpha’

•

See the function descriptions below.

Start this program by declaring and initializing the string array ‘teams’, the integer array ‘wins’ and the integer array ‘losses’. Then continue by asking the question: "How many teams in the league".

1.Calculate statistics (use the function calculateStats)

2.Call the function ‘displayMenu’ to display the menu below:

MAIN MENU

-----------------

1.Display Teams

2.Team Standings

3.Best Team

4.Worst Team

5.Update Statistics

6.Exit

3.Depending on the menu selection call the appropriate functions, display possible results. Always pause and strike a key to return back to the menu.

a)If the menu selection is 1, then display the teams in alphabetical order, along with the corresponding wins, losses and percentages. (call sortAlpha)

b)If the menu selection is 2, then display the teams in descending order by percentage, along with the corresponding wins, losses and percentages. (call sortPercentage )

c)If the menu selection is 3, then display the team with the best percentage, along with the corresponding wins, losses and percentage. (call maxPercent )

d)If the menu selection is 4, then display the team with the worst percentage, along with the corresponding wins, losses and percentage. (call minPercent )

e)If the menu selection is 5, then ask for the team name to update the statistics. Display the current statistics (wins-losses) and ask for the updated ones. Update the ‘wins’ and/or ‘losses’ arrays. You should decide how to perform this step. Use a function named ‘upddate’

f) If the menu selection is 6 display a message and exit the program.

Description of Functions.

The function displayMenu will display the menu above and it will prompt the user for a choice. It will then return and int (the choice).

The function calculateStats will receive 4 parameters: an int that represents the number of teams in the league;

an integer array ‘wins’ that holds the number of wins for the corresponding team, an integer array ‘losses’ that holds the number of losses for the corresponding team and a double array named ‘percentage’. ‘calculateStats will calculate the percentage of wins as compared to the total games (wins / (wins+losses) ) for each team and assign the value to the corresponding element of the ‘percentage’ array.

The function printReport will receive all the parameters that are required to create the output. The function will simply display all the relevant information.

The function maxPercent will receive 2 parameters. The first parameter represents the number of teams in the league; the second parameter is an array that holds the percentages. The function will find and return the index (subscript) of the team with the maximum percentage to the main function.  

The function minPercent will receive 2 parameters. The first parameter represents the number of teams in the league; the second parameter is an array that holds the percentages. The function will find and return the index (subscript) of the team with the minimum percentage to the main function.  

The function sortPercentage will receive 5 parameters: an int that represents the number of teams in the league; a string array ‘teams’ that holds the names of the teams, an integer array ‘wins’ that holds the number of wins for the corresponding team, an integer array ‘losses’ that holds the number of losses for the corresponding team and a double array ‘percentage’ that holds the percentage of each team. ‘sortPercentage will sort the ‘percentage’ array in descending order. (each time you sort an element of the array, you must carry along the information of the other arrays)

The function sortAlpha will receive 5 parameters: an int that represents the number of teams in the league; a string array ‘teams’ that holds the names of the teams, an integer array ‘wins’ that holds the number of wins for the corresponding team, an integer array ‘losses’ that holds the number of losses for the corresponding team and a double array ‘percentage’ that holds the percentage of each team. ‘sortAlpha will sort the ‘teams’ array in alphabetical order. (each time you sort an element of the array, you must carry along the information of the other arrays)

The function printReport will display a report. (see format below) The report must include headings and your name. You must determine which parameters you need.

Your printout should look like this:

BASKETBALL  STATISTICS

===================

  TEAM. WINS         LOSSES   PERCENTAGE

  ===========        =======   ============

KNICKS 20. 40 50%

LAKERS 12 36 30%

  Etc ......             .....              .....

     -------- ---------------

TOTALS: 94 190 49%

Best team : ……………….

Worst team:……………….

Use the following data:

Team            Wins    Losses      Percentage

KNICKS 26 16 .635

NETS 17 28 .378

LAKERS 16 27 .372

Atlanta 24 20 .545

Chigago 23 21 .523

DALLASi 29 16 .644

Houston 22 22 .500

HEAT 19 27 .413

Answer 1

Code

#include<iostream>
#include<string>
#include<iomanip>
using namespace std;
void calculateStats(int teams,int wins[],int loss[],double per[]);
int displayMenu();
void sortAlpha(int teams,string names[],int wins[],int loss[],double per[]);
void print(int teams,string names[],int wins[],int loss[],double per[]);
void sortPercentage (int teams,string names[],int wins[],int loss[],double per[]);
int maxPercent (int teams,double per[]);
int minPercent (int teams,double per[]);
void update (int teams,string names[],int wins[],int loss[],double per[]);
void printReport (int teams,string names[],int wins[],int loss[],double per[]);
int main()
{
   const int totalTeam=8;
   int option;
   string names[]={"KNICKS","NETS","LAKERS","Atlanta","Chigago","DALLASi","Houston","HEAT"};
   int wins[]={26,17,16,24,23,29,22,19};
   int loss[]={16,28,27,20,21,16,22,27},pos;
   double Percentage[totalTeam];
   calculateStats(totalTeam,wins,loss,Percentage);
   do
   {
       option=displayMenu();
       switch (option)
       {
       case 1:
           sortAlpha(totalTeam,names,wins,loss,Percentage);
           print(totalTeam,names,wins,loss,Percentage);
           break;
       case 2:
           sortPercentage(totalTeam,names,wins,loss,Percentage);
           print(totalTeam,names,wins,loss,Percentage);
           break;
       case 3:
           pos=maxPercent(totalTeam,Percentage);
           cout<<"Best team :"<<names[pos]<<" Wins: "<<wins[pos]<<" Loss: "<<loss[pos]<<" Percentage: "<<Percentage[pos]<<endl<<endl;
           break;
       case 4:
           pos=minPercent(totalTeam,Percentage);
           cout<<"Worst team :"<<names[pos]<<" Wins: "<<wins[pos]<<" Loss: "<<loss[pos]<<" Percentage: "<<Percentage[pos]<<endl<<endl;
           break;
       case 5:
           update(totalTeam,names,wins,loss,Percentage);
           break;
       case 6:
           printReport(totalTeam,names,wins,loss,Percentage);
           cout<<"Thnak you for using my app\n\n";
           break;
       default:
           cout<<"Invalid choice try agian !!"<<endl<<endl;
           break;
       }
   }while(option!=6);
   return 1;
}
int maxPercent (int teams,double per[])
{
   double maxPer=per[0];
   int maxIndex=0;
   for(int i=0;i<teams;i++)
   {
       if(maxPer<per[i])
       {
           maxIndex=i;
           maxPer=per[i];
       }
   }
   return maxIndex;
}
int minPercent (int teams,double per[])
{
   double minPer=per[0];
   int minIndex=0;
   for(int i=0;i<teams;i++)
   {
       if(minPer>per[i])
       {
           minIndex=i;
           minPer=per[i];
       }
   }
   return minIndex;
}
void update (int teams,string names[],int wins[],int loss[],double per[])
{
   string name;
   cout<<"Enter the name of the teams to update its states: ";
   cin>>name;
   int pos=-1;
   for(int i=0;i<teams;i++)
       if(name==names[i])
       {
           pos=i;
           break;
       }
   if(pos<0)
   {
       cout<<"Teams not in the list!"<<endl<<endl;
       return;
   }
   cout<<"Current states :"<<endl;
   cout<<"Wins: "<<wins[pos]<<endl;
   cout<<"Loss: "<<loss[pos]<<endl;
  
   cout<<"\nEnter new win stat for "<<name<<" :";
   cin>>wins[pos];
   cout<<"Enter new loss stat for "<<name<<" :";
   cin>>loss[pos];

   per[pos]=(wins[pos]/(double)(wins[pos]+loss[pos]));
  
   cout<<"States for the team "<<name<<" has been updated"<<endl<<endl;
}
void printReport (int teams,string names[],int wins[],int loss[],double per[])
{
   int percentage,totalWin=0,totalLoss=0;
   cout<<"\n\nBASKETBALL STATISTICS"<<endl;
   cout<<"==================================="<<endl;
   cout<<"TEAM\tWINS\tLOSSES\tPERCENTAGE"<<endl;
   cout<<"==================================="<<endl;
   for(int i=0;i<teams;i++)
   {
       percentage=(per[i])*100;
       cout<<names[i]<<"\t"<<wins[i]<<"\t"<<loss[i]<<"\t"<<percentage<<"%"<<endl;
       totalLoss+=loss[i];
       totalWin+=wins[i];
   }
   percentage=(totalWin/(double)(totalLoss+totalWin))*100;
   cout<<"TOTALS\t"<<totalWin<<"\t"<<totalLoss<<"\t"<<percentage<<"%"<<endl;
   cout<<endl;
}
void sortPercentage (int teams,string names[],int wins[],int loss[],double per[])
{
   string tempName;
   int tempWin;
   int tempLoss;
   double tempPer;
   for(int i=0;i<teams;i++)
   {      
       for(int j=i+1;j<teams;j++)
       {
           if(per[i]<per[j])
           {
               tempName =names[i];
               names[i]=names[j];
               names[j]=tempName;

               tempWin =wins[i];
               wins[i]=wins[j];
               wins[j]=tempWin;

               tempLoss =loss[i];
               loss[i]=loss[j];
               loss[j]=tempLoss;

               tempPer =per[i];
               per[i]=per[j];
               per[j]=tempPer;
              
           }
       }
   }
}
void print(int teams,string names[],int wins[],int loss[],double per[])
{
   cout<<fixed<<setprecision(3);
   cout<<"\n\nTeam\tWins\tLosses\tPrcentage"<<endl;
   for(int i=0;i<teams;i++)
   {
       cout<<names[i]<<"\t"<<wins[i]<<"\t"<<loss[i]<<"\t"<<per[i]<<endl;
   }
   cout<<endl;
}
void sortAlpha(int teams,string names[],int wins[],int loss[],double per[])
{
   string tempName;
   int tempWin;
   int tempLoss;
   double tempPer;
   for(int i=0;i<teams;i++)
   {      
       for(int j=i+1;j<teams;j++)
       {
           if(names[i]>names[j])
           {
               tempName =names[i];
               names[i]=names[j];
               names[j]=tempName;

               tempWin =wins[i];
               wins[i]=wins[j];
               wins[j]=tempWin;

               tempLoss =loss[i];
               loss[i]=loss[j];
               loss[j]=tempLoss;

               tempPer =per[i];
               per[i]=per[j];
               per[j]=tempPer;
              
           }
       }
   }
}
void calculateStats(int teams,int wins[],int loss[],double per[])
{
   for(int i=0;i<teams;i++)
   {
       per[i]=(wins[i]/(double)(wins[i]+loss[i]));
   }
}
int displayMenu()
{
   int choice;
   cout<<"MAIN MENU\n-----------------"<<endl;
   cout<<"1.Display Teams\n2.Team Standings\n3.Best Team\n4.Worst Team\n5.Update Statistics\n6.Exit"<<endl;
   cout<<"Enter your choice: ";
   cin>>choice;
   return choice;
}

outputs

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