C++ Lecture: 18

Lecture 18

Conditional Statements (Decision Making)

Code:

#include <iostream>

#include <conio.h>

using namespace std;

int main (int argc, char *argv[])

{

  int num;

  cout<<"Enter a number less than 10 : ";

  cin>>num;

  if (num <= 10)

      cout <<"What an obedient servant you are! ";

  getch();

  return 0;

}

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Code:

#include <iostream>

#include <conio.h>

using namespace std;

int main (int argc, char *argv[])

{

  int num;

  cout<<"Enter a number 1 to 5 : ";

  cin>>num;

 

  if (num < 1)

      cout <<"Your number less then one ";

  if (num == 1)

      cout <<"Your number is \" One \" ";

  if (num == 2)

      cout <<"Your number is \" Two \" ";   

  if (num == 3)

      cout <<"Your number is \" Three \" ";

  if (num == 4)

      cout <<"Your number is \" Four \" ";

  if (num == 5)

      cout <<"Your number is \" Five \" ";    

  if (num > 5)

      cout <<"Your number large of five  ";    

     

  getch();

  return 0;

}

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C++ Lecture: 17

Lecture 17

Conditional Statements (Decision Making)

Code:

#include <iostream>

#include <conio.h>

using namespace std;

int main (int argc, char *argv[])

{

  int age1, age2;

  age1 = 12;

  age2 = 10;

  if (age1 > age2)

      cout <<"Student 1 is older than student 2";

  getch();

  return 0;

}

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Code:

#include <iostream>

#include <conio.h>

using namespace std;

int main (int argc, char *argv[])

{

  int age1, age2;

  cout<<"Please enter Ali age : ";

  cin>>age1;

  cout<<"Please enter Shahid age : ";

  cin>>age2;

  if (age1 > age2)

      cout <<"Ali is older than Shahid";

  getch();

  return 0;

}

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C++ Lecture: 16

Lecture 16

Escape Sequences:

Code:

#include <iostream>

#include <conio.h>

using namespace std;

int main (int argc, char *argv[])

{

   cout<<"Newline : \n  ";

   cout<<"Tab : \t  "<<endl;

   cout<<"Backspace : \b   "<<endl;

   cout<<"Carriage return : \r "<<endl;

   cout<<"Formfeed : \f "<<endl;

   cout<<"Single quote : \' "<<endl;

   cout<<"Double quote : \" "<<endl;

   cout<<"Backslash : \\ "<<endl;

  getch();

  return 0;

}

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Printing Graphics Characters:

Code:

#include <iostream>

#include <conio.h>

using namespace std;

int main (int argc, char *argv[])

{

   cout<<"Hex value:";

   cout<<"ASCII code run 0: \x0"<<endl;

   cout<<"ASCII code run 1: \x1"<<endl;

   cout<<"ASCII code run 2: \x2"<<endl;

   cout<<"ASCII code run 3: \x3"<<endl;

   cout<<"ASCII code run 4: \x4"<<endl;

   cout<<"ASCII code run 5: \x5"<<endl;

   cout<<"ASCII code run 6: \x6"<<endl;

   cout<<"ASCII code run 7: \x7"<<endl;

   cout<<"ASCII code run 8: \x8"<<endl;

   cout<<"ASCII code run 9: \x9"<<endl;

   cout<<"ASCII code run A: \xA"<<endl;

   cout<<"ASCII code run B: \xB"<<endl;

   cout<<"ASCII code run C: \xC"<<endl;

   cout<<"ASCII code run D: \xD"<<endl;

   cout<<"ASCII code run E: \xE"<<endl;

   cout<<"ASCII code run F: \xF"<<endl;

   cout<<".................";

  getch();

  return 0;

}

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Decimal to binary code:

#include <iostream>

#include <conio.h>

using namespace std;

int main (int argc, char *argv[])

{

  int a=2;

  cout<<"The decimal value is : "<<a;

  cout<<"\nThe binary value is : ";

  cout<<a%2;

  a=a/2;

  cout<<a%2;

 

  getch();

  return 0;

}

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