Write Execute your first C program: Study C in 7 days

Last day

Congratulations..! Now you have almost completed the Study C in 7 days course. This is your last day of C program course. Here we have given a simple C program code. You need C compiler for run these codes. Don’t worry, you can free download C software from here. Please visit the link for Download and installation guide.

Your first C Program

This example program accepts two numbers from the user and calculates its sum. After that it checks whether the sum is greater than 10 or not. If it is greater than 10, display “Result is greater than 10” otherwise display “Result is less than 10” on the monitor.
Program codes are given below, it is easy to understand and well commented.

#include<stdio.h>
#include<conio.h>
main()
{
  float a,b,s; /*Declaring 3 floating point variables*/
  clrscr(); /*Clear screen*/
  printf("Enter the 1st number= ");
  scanf("%f",&a); /*Read a value from Keyboard and save it in address of a*/
  printf("\nEnter the 2nd number= ");
  scanf("%f",&b); /* Read next value from Keyboard and save it in address of b */
  s=a+b;
  printf("\nSum= %f",s);/*Display the result*/

  if(s>10)
    {
      printf("\nResult is greater than 10");
    }
  else
    {
      printf("\n\nResult is less than 10");
    }
  getch();/*To retain the program on screen*/

}