C Program: How to Find First and Last digit of a three digit Number

Function of getch():

• getch() is a function included in the <conio.h> header file. 
• It is used to take input a single character from keaboard. 
• The input character is not displayed on the screen. 
• It is used for output screen stopper.

Some shortcuts:

F2 => save

F3 => open

F5 => full screen

alt+F9 => compilation

ctrl+F9 => run the program

alt+x => exit

Input a three digit number and find out its first digit and last digit: 

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b,c;

clrscr();

printf(" Enter value of a:");

scanf("%d" ,&a);

b=a%10;

c=(a/10)/10;

prinf(" Last digit=%d\n" ,b);

prinf(" First digit=%d\n" ,c);

getch();

}

Output:

Enter value of a:

145

Last digit=5

First digit=1 

In the next section we discuss how to calculate middle digit of a three digit number >>>>>>>>>

Posted by Roky

Tweet