Dietel and Dietel Book

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  • //* CHAP # 2     Q # 24 *//
        //* Find whether an intger is even or odd *//


    #include <iostream.h>
    void main ()
    {
     int a;
     cout <<"Enter an integer";
     cin>>a;
     cout <<endl<<endl<< endl;
     if (a%2==0)
        cout <<"The integer is even ";
     else
       cout <<"The integer is odd  ";

    }



                              //* CHAP # 2    Q # 26 *//
                 //* PRINT  THE specified patterrn according to the no of stars & lines by the user*


         #include <iostream.h >
         void main ()
         {
           int n;
           cout <<"Enter the no Of stars";
           cin>>n;
           for(int i=0 ; i<n; i++ )
            {
        if(i%2==0)
         { for(int j=0; j<n ;j++)
      { cout <<"*";  }
                    cout<<endl;
                 }
        else
          { cout<<" ";
      for(int k=0 ; k<n ;k++)
       { cout <<"*";}
            cout<<endl;
                  }
            }

          }

    //* CHAP # 2 Q # 18 *//
    //* Enter two integers and show which one is greater*//

    #include <iostream.h>
    void main ()
    { int a,b;
    cout <<"Enter two integers\n";
    cin>>a>>b;
    if(a>b)
    cout <<a<<"greater than"<<b;
    else
    cout <<b<<"greater than"<<a;
    }


    Chap # 4, Q # 13

    #include <iostream.h>
    void main()
    {
    float m,tmpg,mpg,g;
    cout <<"Enter miles driven";
    cin >>m;
    cout <<"Enter gallons";
    cin>>g;
    mpg=(m/g);
    tmpg=mpg;
    cout<<"MPG this tank full="<<mpg<<endl;
     
    cout <<"enter miles driven(-1 to quit)";
    cin>>m;
    while (m!=-1)
    {
    cout <<"Enter no of gallons\n";
    cin>>g;
    mpg=( m/g);
    tmpg=(tmpg+mpg)/2;
    cout<<"MPG this tank full="<<mpg<<endl;
    cout <<"Total MPG="<<tmpg<<endl;
     
    cout <<"Enter miles driven(-1 to quit) ";
    cin >>m;
    }
    }


    Chap # 4, Q # 15

             //* Enter gross sales of a sales man and calculare his weekly sallery as company pays $200 *//
        //* weekly & 9% of the gross sales ,we are to use a for loop and prog ends by entering *//
          
           // *   -1  as gross sales  //
    #include <iostream.h>

    void main ()
    {  int gs;float s;
        cout <<"Enter the gross sales of an employee in dollars(-1 to quit)\n\n\n";
        cin>>gs;
        while( gs!=-1)
         {
            s=200+(0.09*gs);
           cout<<"Weekly salary of the employee is"<<s<<endl<<endl;

         cout <<"Enter the gross sales of an employee in dollars(-1 to quit)\n\n\n\n";
        cin>>gs;

          }
         cout <<"            (:(:(:(:(:   GOOD BYE   :):):):):):) ";
          }