write a c program to - (a)(i) Create an City structure that will have the following members: name (string type), population (int type), area (float type) and numOfCOVIDPatients (int type). (ii) In the main function, create an array of size N of City structure type. This array will be used by all the functions. You will have a lower case n to keep track of the number of cities in the array. You will pass this array and # of cities as arguments to the functions. (b) Create a function “takeCitiesInfoFromKeyboard” that takes a City structure array and n as parameters. It takes information of all the Cities from keyboard and stores in the City structure array. Do you know that arrays are passed by reference? (c) Create a function “searchACity” that takes a City structure array, # of COVID patients, and n as parameters. It finds and displays the city’s information from the array searching by the # of COVID patients. (d) Create a function “displayAllCitiesInfoReverse” that takes a City structure array and the size of the array as parameters. It displays all Cities’ information in reverse index order in a tabular format with following values (including the given column heading): City Name – City Population – City Area – Num of City COVID Patients ======= BD Covid Case Tracking System ========= • Enter ‘r, to take information of all the cities into the City structure array of size N. • Enter ‘s’, to search a City by # of COVID patients. If found, display the info of City. If not, display “Not Found”. • Enter ‘t’, to display the information of all the Cities in reverse index order in a tabular format. • Enter ‘q’, quit/exit the menu system. • For any other input, display “Invalid Input” After the menu is displayed, the program will prompt the user “Enter your choice: “ to enter a choice from the menu. After user enters his choice, using switch case the program will call appropriate functions to do the task.

write a c program to - (a)(i) Create an City structure that will have the following members: name (string type), population (int type), area (float type) and numOfCOVIDPatients (int type). (ii) In the main function, create an array of size N of City structure type. This array will be used by all the functions. You will have a lower case n to keep track of the number of cities in the array. You will pass this array and # of cities as arguments to the functions. (b) Create a function “takeCitiesInfoFromKeyboard” that takes a City structure array and n as parameters. It takes information of all the Cities from keyboard and stores in the City structure array. Do you know that arrays are passed by reference? (c) Create a function “searchACity” that takes a City structure array, # of COVID patients, and n as parameters. It finds and displays the city’s information from the array searching by the # of COVID patients. (d) Create a function “displayAllCitiesInfoReverse” that takes a City structure array and the size of the array as parameters. It displays all Cities’ information in reverse index order in a tabular format with following values (including the given column heading): City Name – City Population – City Area – Num of City COVID Patients ======= BD Covid Case Tracking System ========= • Enter ‘r, to take information of all the cities into the City structure array of size N. • Enter ‘s’, to search a City by # of COVID patients. If found, display the info of City. If not, display “Not Found”. • Enter ‘t’, to display the information of all the Cities in reverse index order in a tabular format. • Enter ‘q’, quit/exit the menu system. • For any other input, display “Invalid Input” After the menu is displayed, the program will prompt the user “Enter your choice: “ to enter a choice from the menu. After user enters his choice, using switch case the program will call appropriate functions to do the task.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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write a c program to -

(a)(i) Create an City structure that will have the following members: name (string type), population (int type), area (float type) and numOfCOVIDPatients (int type).

(ii) In the main function, create an array of size N of City structure type. This array will be used by all the functions. You will have a lower case n to keep track of the number of cities in the array. You will pass this array and # of cities as arguments to the functions.

(b) Create a function “takeCitiesInfoFromKeyboard” that takes a City structure array and n as parameters. It takes information of all the Cities from keyboard and stores in the City structure array. Do you know that arrays are passed by reference?

(c) Create a function “searchACity” that takes a City structure array, # of COVID patients, and n as parameters. It finds and displays the city’s information from the array searching by the # of COVID patients.

(d) Create a function “displayAllCitiesInfoReverse” that takes a City structure array and the size of the array as parameters. It displays all Cities’ information in reverse index order in a tabular format with following values (including the given column heading):

City Name – City Population – City Area – Num of City COVID Patients

======= BD Covid Case Tracking System =========

• Enter ‘r, to take information of all the cities into the City structure array of size N.

• Enter ‘s’, to search a City by # of COVID patients. If found, display the info of City. If not, display “Not Found”.

• Enter ‘t’, to display the information of all the Cities in reverse index order in a tabular format.

• Enter ‘q’, quit/exit the menu system.

• For any other input, display “Invalid Input”

After the menu is displayed, the program will prompt the user “Enter your choice: “ to enter a choice from the menu. After user enters his choice, using switch case the program will call appropriate functions to do the task.

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