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Program  5:  To  check  whether  a  given  number  is  two-digits,  three-digits,  four-digits  or
                 five-digits number.

                 #include <iostream.h>
                 #include<conio.h>
                                                                                          Output 1:
                 void main()
                                                                                          Enter a number: 24576
                 {                                                                        The  entered  number  is  five
                 long int num1;                                                           digits number
                 clrscr();                                                                Output 2:
                 cout<<"Enter a number: ";                                                Enter a number: 346
                                                                                          The entered number is three
                 cin>>num1;
                                                                                          digits number
                 if((num1 > 9) && (num1 <= 99))
                 {
                 cout<<"The entered number is two digits number";
                 }
                 else if((num1 > 99) && (num1 <= 999))
                 {
                 cout<<"The entered number is three digits number";

                 }
                 else if((num1 > 999) && (num1 <= 9999))
                 {
                 cout<<"The entered number is four digits number";
                 }
                 else if((num1 > 9999) && (num1 <= 99999))
                 {
                 cout<<"The entered number is five digits number";
                 }
                 getch();
                 }

                     THE SWITCH STATEMENT

                 The switch statement comes as a handy replacement of a long series of if…else…if statement.
                 The syntax of the switch statement is:

                 switch(expression)
                 {
                 case(expression1):
                 [statements;
                 break;]
                 case(expression2):
                 [statements;
                 break;]

                 case(expression3):


                                                                                           Conditional Statements  43
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