Practical 9: Implement application using suitable data structure for Railway Reservation System

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

// Define the node structure

typedef struct Passenger {

char name[20];

 char gender[6];

 int age;

 struct Passenger* next;

} Passenger;

// Global variables

Passenger* start = NULL; // Head pointer to the linked list

int a[60]; // Seat numbers array

char source[20], des[20], station[20], train[20], cla[20];

int time1, time2;

// Function prototypes

void details(int k);

void add_node(char val[20], char gen[6], int age);

int seat(int p);

void bill(int y, int j);

// Main function

int main() {

int numberOfPassengers, totalBill, boardingTime1,

boardingTime2;

 // Get input details

 printf("Enter Source: ");

 gets(source);

 printf("Enter Destination: ");

 gets(des);

 printf("Enter Boarding Station: ");

 gets(station);

 printf("Enter Train Name: ");

 gets(train);

 printf("Enter Class: ");

 gets(cla);

 printf("Enter Boarding Time (HH MM): ");

 scanf("%d %d", &time1, &time2);

 printf("Enter Number of Passengers: ");

 scanf("%d", &numberOfPassengers);

 details(numberOfPassengers); // Take passenger details

seat(numberOfPassengers); // Choose seats

 totalBill = 500 * numberOfPassengers; // Sample calculation for

total bill

 bill(totalBill, numberOfPassengers); // Generate and print bill

 return 0;

}

// Function for taking details of passengers

void details(int k) {

 int i, age;

 char name[20], gender[6];

 for (i = 1; i <= k; i++) {

 printf("Enter the %dth Passenger Name: ", i);

 fflush(stdin);

 gets(name);

 printf("Enter the %dth Passenger Gender: ", i);

 fflush(stdin);

gets(gender);

 printf("Enter the %dth Passenger Age: ", i);

 fflush(stdin);

 scanf("%d", &age);

 printf("-------------------------------------------------\n");

 // Call add_node() to add the passenger to the linked list

 add_node(name, gender, age);

 }

}

// Function to add a node (passenger details) to the linked list

void add_node(char name[20], char gender[6], int age) {

 Passenger* newPassenger =

(Passenger*)malloc(sizeof(Passenger));

 strcpy(newPassenger->name, name);

 strcpy(newPassenger->gender, gender);

 newPassenger->age = age;

 newPassenger->next = NULL;

if (start == NULL) {

 start = newPassenger;

 } else {

 Passenger* ptr = start;

 while (ptr->next != NULL) {

 ptr = ptr->next;

 }

 ptr->next = newPassenger;

 }

}

// Function for choosing seats

int seat(int p) {

 int i;

 printf("\t -:SEAT MATRIX:- \n");

 printf("\t(U) (M) (L) (L) (U)\n\n");

 printf("\t01 02 03\t04 05\n\n");

 printf("\t06 07 08\t09 10\n");

 printf("\t11 12 13\t14 15\n\n");

 printf("\t16 17 18\t19 20\n");

printf("\t21 22 23\t24 25\n\n");

 printf("\t26 27 28\t29 30\n");

 printf("\t31 32 33\t34 35\n\n");

 printf("\t36 37 38\t39 40\n");

 printf("\t41 42 43\t44 45\n\n");

 printf("\t46 47 48\t49 50\n");

 printf("\t51 52 53\t54 55\n\n");

 printf("\t56 57 58\t59 60\n");

 printf("\nEnter Seat Numbers for %d Passengers: \n", p);

 for (i = 0; i < p; i++) {

 scanf("%d", &a[i]);

 }

 return 0;

}

// Function to print the bill and generate the receipt

void bill(int totalAmount, int numPassengers) {

 int i;

 Passenger* ptr = start;

for (i = 1; i <= numPassengers; i++) {

 printf("\t\t%dth Passenger Name: ", i);

 puts(ptr->name);

 printf("\t\t%dth Passenger Gender: ", i);

 puts(ptr->gender);

 printf("\t\t%dth Passenger Age: %d\n\n", i, ptr->age);

 ptr = ptr->next;

 }

 printf("\t\tSource Place: ");

 puts(source);

 printf("\t\tDestination Place: ");

 puts(des);

 printf("\t\tThe Boarding Station: ");

 puts(station);

 printf("\t\tTrain Name: ");

 puts(train);

 printf("\t\tAllocated Class: ");

 puts(cla);

 printf("\t\tBoarding Time: %d:%d\n", time1, time2);

printf("\t\tTotal Bill Amount: %d\n", totalAmount);

 printf("\t\tAllocated Seats Are: \n");

 for (i = 0; i < numPassengers; i++) {

 printf("\t\t%d ", a[i]);

 }

 printf("\n\t\t\t\tThank You......\n");

}