C++primer plus 6th edition 4.13 Programming Exercise answers

Source: Internet
Author: User


1. Answer:
#include <iostream>
#include <string>


int main ()
{
using namespace Std;
char* fname = new CHAR[10];
char* lname = new Char[6];
char grade;
int age;
cout<< "What is your first name?";
Cin.getline (fname,10);
cout<< "What's your last name?";
Cin.getline (lname,6);
cout<< "What's letter grade does you deserve?";
cin>>grade;
cout<< "What's your age?";
cin>>age;
cout << "Name:" <<lname<< "," <<fname<<endl;
cout << "Grade:" <<char (grade+1) <<endl;
cout << "Age:" <<age;


delete [] fname;
delete [] lname;
return 0;

}

2. Answer:



#include <iostream>
#include <string>


int main ()
{
using namespace Std;
String name;
String dessert;


cout << "Enter your name:\n";
Getline (Cin,name);
cout<< "Enter your favorite dessert:\n";
Getline (Cin,dessert);
cout<< "I have some delicious" << dessert;
cout << "For You," << name << ". \ n";
return 0;
}

3. Answer:



#include <iostream>
#include <cstring>


int main ()
{
using namespace Std;
char* fname = new char [15];
char* lname = new char [8];


cout << "Enter Your First name:";
Cin.getline (fname,5);
cout<< "Enter Your last Name:";
Cin.getline (lname,8);
strcat (fname, ",");
strcat (Fname,lname);
cout << "Here's" the information in a single string: "
<<fname;
delete [] fname;
delete [] lname;
return 0;
}

4. Answer:

#include <iostream>
#include <string>


int main ()
{
using namespace Std;
String fname;
String lname;


cout << "Enter Your First name:";
Getline (Cin,fname);
cout<< "Enter Your last Name:";
Getline (Cin,lname);
FName + = ",";
FName + = lname;
cout << "Here's" the information in a single string: "
<<fname;


return 0;
}

5. Answer

#include <iostream>
#include <string>


using namespace Std;


struct CandyBar
{
String brand;
float weight;
int Carlo;


};


int main ()
{
CandyBar snack = {"Mocha Munch", 2.3,350};
cout<< "brand =" <<snack.brand<<endl
<< "weight =" <<snack.weight<<endl
<< "Carlo =" <<snack.carlo<<endl;
return 0;

}

6. Answer

#include <iostream>
#include <string>


using namespace Std


struct candybar
{
string brand;
float weight;
int Carlo;


};


Int main ()
{
candybar Snack[3] = {"Mocha Munch", 2.3,350},{" Mocha Middle ", 2.0,300},{" Mocha Little ", 3.2,600}};
for (int i=0;i<3;i++)
cout << "Snack[i].brand =" <<snack[i].brand<<endl
<< " Snack[i].weight = "<<snack[i].weight<<endl
<<" Snack[i " . Carlo = "<<snack[i].carlo<<endl;
return 0;

}

7. Answer

#include <iostream>
#include <string>


using namespace Std;


struct PIZAINFO
{
String Coname;
int diameter;
float weight;


};


int main ()
{

Pizainfo P1;
cout << "Enter the infomation:\n";
cout << "corpotion name:";
Getline (Cin,p1.coname);
cout << "Piza diameter:";
cin>>p1.diameter;
cout << "Piza weight:";
CIN >>p1.weight;
cout<< "\ n" << "corpotion Name:" <<p1.coname<<endl
<< "Piza Diameter:" <<p1.diameter<<endl
<< "Piza Weight:" <<p1.weight;
}

8. Answer

#include <iostream>
#include <string>


using namespace Std;


struct PIZAINFO
{
String Coname;
int diameter;
float weight;


};


int main ()
{

pizainfo* PS = new Pizainfo;


cout << "Enter the infomation:\n";
cout << "Piza diameter:";
cin>>ps->diameter;
cout << "corpotion name:";
cin>>ps->coname;


cout << "Piza weight:";
CIN >>ps->weight;
cout<< "\ n" << "corpotion Name:" <<ps->coname<<endl
<< "Piza Diameter:" <<ps->diameter<<endl
<< "Piza Weight:" <<ps->weight;
Delete PS;


}

9. Answer

#include <iostream>
#include <string>


using namespace Std;

struct CandyBar
{
String brand;
float weight;
int Carlo;
};

int main ()
{
candybar* snack = new Candybar[3];
Snack[0].brand = "Mocha Munch";
Snack[0].carlo= 2.3;
Snack[0].weight = 350;
Snack[1].brand = "Mocha Middle";
Snack[1].carlo= 2.0;
Snack[1].weight = 300;
Snack[2].brand = "Mocha Little";
Snack[2].carlo= 3.2;
Snack[2].weight = 600;


for (int i=0;i<3;i++)
cout<< "Snack[i].brand =" <<snack[i].brand<<endl
<< "snack[i].weight =" <<snack[i].weight<<endl
<< "Snack[i].carlo =" <<snack[i].carlo<<endl;


delete [] snack;


return 0;

}

10. Answer

#include <iostream>
#include <array>


using namespace Std;


int main ()
{
Array<float,3> scores;
cout<< "Please enter three times score of 40-meters-run: \ n";
for (int i =0;i<3;i++)
{
cout<< "the" <<i<< "Time Score:";
cin>>scores[i];
}

cout << "The average of scores is:"
<< (Scores[0]+scores[1]+scores[2])/3;


return 0;


}

C++primer plus 6th edition 4.13 Programming Exercise answers

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