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Vehicle parking program

Posted By: Eleanor Hughes     Category: C Programming     Views: 21918

Write a program of Vehicle parking.

Code for Vehicle parking program in C Programming

#include <stdio.h>
#include <conio.h>

#define CAR 1
#define SCOOTER 2

/* to store vehicle number, and its
row-col position in an array */
struct vehicle { int num ; int row ; int col ; int type ; } ; int parkinfo[4][10] ; /* a 2-D array to store number of vehicle parked */
int vehcount ; /* to store total count of vehicles */
int carcount ; /* stores total count of cars */
int scootercount ; /* stores total count of scooters */
void display( ) ; void changecol ( struct vehicle * ) ; struct vehicle * add ( int, int, int, int ) ; void del ( struct vehicle * ) ; void getfreerowcol ( int, int * ) ; void getrcbyinfo ( int, int, int * ) ; void show( ) ; /* decrements the col. number by one
this fun. is called when the data is
shifted one place to left */
void changecol ( struct vehicle *v ) { v -> col = v -> col - 1 ; } /* adds a data of vehicle */
struct vehicle * add ( int t, int num, int row, int col ) { struct vehicle *v ; v = ( struct vehicle * ) malloc ( sizeof ( struct vehicle ) ) ; v -> type = t ; v -> row = row ; v -> col = col ; if ( t == CAR ) carcount++ ; else scootercount++ ; vehcount++ ; parkinfo[row][col] = num ; return v ; } /* deletes the data of the specified
car from the array, if found */
void del ( struct vehicle *v ) { int c ; for ( c = v -> col ; c < 9 ; c++ ) parkinfo[v -> row][c] = parkinfo[v -> row][c+1] ; parkinfo[v -> row][c] = 0 ; if ( v -> type == CAR ) carcount-- ; else scootercount-- ; vehcount-- ; } /* get the row-col position for the vehicle to be parked */
void getfreerowcol ( int type, int *arr ) { int r, c, fromrow = 0, torow = 2 ; if ( type == SCOOTER ) { fromrow += 2 ; torow += 2 ; } for ( r = fromrow ; r < torow ; r++ ) { for ( c = 0 ; c < 10 ; c++ ) { if ( parkinfo[r][c] == 0 ) { arr[0] = r ; arr[1] = c ; return ; } } } if ( r == 2 || r == 4 ) { arr[0] = -1 ; arr[1] = -1 ; } } /* get the row-col position for the vehicle with specified number */
void getrcbyinfo ( int type, int num, int *arr ) { int r, c, fromrow = 0, torow = 2 ; if ( type == SCOOTER ) { fromrow += 2 ; torow += 2 ; } for ( r = fromrow ; r < torow ; r++ ) { for ( c = 0 ; c < 10 ; c++ ) { if ( parkinfo[r][c] == num ) { arr[0] = r ; arr[1] = c ; return ; } } } if ( r == 2 || r == 4 ) { arr[0] = -1 ; arr[1] = -1 ; } } /* displays list of vehicles parked */
void display( ) { int r, c ; printf ( "Cars ->\n" ) ; for ( r = 0 ; r < 4 ; r++ ) { if ( r == 2 ) printf ( "Scooters ->\n" ) ; for ( c = 0 ; c < 10 ; c++ ) printf ( "%d\t", parkinfo[r][c] ) ; printf ( "\n" ) ; } } void main( ) { int choice, type, number, row = 0, col = 0 ; int i, tarr[2] ; int finish = 1 ; struct vehicle *v ; /* creates a 2-D array of car and scooter class */
struct vehicle *car[2][10] ; struct vehicle *scooter[2][10] ; clrscr( ) ; /* displays menu and calls corresponding functions */
while ( finish ) { clrscr( ) ; printf ( "\nCar Parking\n" ) ; printf ( "1. Arrival of a vehicle\n" ) ; printf ( "2. Total no. of vehicles parked\n" ) ; printf ( "3. Total no. of cars parked\n" ) ; printf ( "4. Total no. of scooters parked\n" ) ; printf ( "5. Display order in which vehicles are parked\n" ) ; printf ( "6. Departure of vehicle\n" ) ; printf ( "7. Exit\n" ) ; scanf ( "%d", &choice ) ; switch ( choice ) { case 1 : clrscr( ) ; printf ( "\nAdd: \n" ) ; type = 0 ; /* check for vehicle type */
while ( type != CAR && type != SCOOTER ) { printf ( "Enter vehicle type (1 for Car / 2 for Scooter ): \n" ) ; scanf ( "%d", &type ) ; if ( type != CAR && type != SCOOTER ) printf ( "\nInvalid vehicle type.\n" ) ; } printf ( "Enter vehicle number: " ) ; scanf ( "%d", &number ) ; /* add cars' data */
if ( type == CAR || type == SCOOTER ) { getfreerowcol ( type, tarr ) ; if ( tarr[0] != -1 && tarr[1] != -1 ) { row = tarr[0] ; col = tarr[1] ; if ( type == CAR ) car[row][col] = add ( type, number, row, col ) ; else scooter[row - 2][col] = add ( type, number, row, col ) ; ; } else { if ( type == CAR ) printf ( "\nNo parking slot free to park a car\n" ) ; else printf ( "\nNo parking slot free to park a scooter\n" ) ; } } else { printf ( "Invalid type\n" ) ; break ; } printf ( "\nPress any key to continue..." ) ; getch( ) ; break ; case 2 : clrscr( ) ; printf ( "Total vehicles parked: %d\n", vehcount ) ; printf ( "\nPress any key to continue..." ) ; getch( ) ; break ; case 3 : clrscr( ) ; printf ( "Total cars parked: %d\n", carcount ) ; printf ( "\nPress any key to continue..." ) ; getch( ) ; break ; case 4 : clrscr( ) ; printf ( "Total scooters parked: %d\n", scootercount ) ; printf ( "\nPress any key to continue..." ) ; getch( ) ; break ; case 5 : clrscr( ) ; printf ( "Display\n" ) ; display( ) ; printf ( "\nPress any key to continue..." ) ; getch( ) ; break ; case 6 : clrscr( ) ; printf ( "Departure\n" ) ; type = 0 ; /* check for vehicle type */
while ( type != CAR && type != SCOOTER ) { printf ( "Enter vehicle type (1 for Car / 2 for Scooter ): \n" ) ; scanf ( "%d", &type ) ; if ( type != CAR && type != SCOOTER ) printf ( "\nInvalid vehicle type.\n" ) ; } printf ( "Enter number: " ) ; scanf ( "%d", &number ) ; if ( type == CAR || type == SCOOTER ) { getrcbyinfo ( type, number, tarr ) ; if ( tarr[0] != -1 && tarr[1] != -1 ) { col = tarr [1] ; /* if the vehicle is car */
if ( type == CAR ) { row = tarr [0] ; del ( car [row][col] ) ; for ( i = col ; i < 9 ; i++ ) { car[row][i] = car[row][i + 1] ; changecol ( car[row][i] ) ; } free ( car[row][i] ) ; car[row][i] = NULL ; } /* if a vehicle is scooter */
else { row = tarr[0] - 2 ; if ( ! ( row < 0 ) ) { del ( scooter[row][col] ) ; for ( i = col ; i < 9 ; i++ ) { scooter[row][i] = scooter[row][i + 1] ; changecol ( scooter[row][col] ) ; } scooter[row][i] = NULL ; } } } else { if ( type == CAR ) printf ( "\nInvalid car number, or a car with such number has not been parked here.\n" ) ; else printf ( "\nInvalid scooter number, or a scooter with such number has not been parked here.\n" ) ; } } printf ( "\nPress any key to continue..." ) ; getch( ) ; break ; case 7 : clrscr( ) ; for ( row = 0 ; row < 2 ; row++ ) { for ( col = 0 ; col < 10 ; col++ ) { if ( car[row][col] -> num != 0 ) free ( car[row][col] ) ; if ( scooter[row][col] -> num != 0 ) free ( scooter[row+2][col] ) ; } } finish = 0 ; break ; } } }
  
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Eleanor Hughes
Eleanor Hughes author of Vehicle parking program is from London, United Kingdom.
 
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John Carlo Cudiamat from Philippines Comment on: Apr 12
case 6 on while...
car is not working ...

please answer ASAP...

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