Traffic Light Programe

NIELIT O Level January 2016 Solved

Q 7 : c) Write a program that displays the recommended actions depending on the color of a traffic light using the switch statement.

Solution : 

/* *******************************************

     Girfa : Student Help

     Traffic Light Program

     for more program visit : http://girfahelp.blogspot.in/p/c-language.html

     ********************************************/

#include <stdio.h>

void main (void)

{

   char color;

   /*  colour input */

   printf ("Enter the colour of the light (R,G,Y,A): ");

   scanf ("%c", &color);

   /* test the posibility */      

   switch (color)

   {

       /* red light */

       case 'R':

       case 'r':

                 printf ("STOP! \n");

                 break;

       /* yellow or amber light */

       case 'Y':

       case 'y':

       case 'A':

       case 'a':

                 printf ("CAUTION! \n");

                 break;

       

       /* green light */

       case 'G':

       case 'g':

                 printf ("GO! \n");

                 break;

       /* other colour */

       default:

                 printf ("valid. color choice\n");

   }

  

}

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