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st include the following functions: ReadRoomData: a void function that accepts three reference parameters (the room number, max capacity, and enrolled). It should read in all three values from stdin. DetermineStatus: a value-returning

st include the following functions: ReadRoomData: a void function that accepts three reference parameters (the room number, max capacity, and enrolled). It should read in all three values from stdin. DetermineStatus: a value-returning

Database System Concepts
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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I need help in a C++ program. I'm not sure what to do add next.

 

Program Requirements

  1. DO NOT open the file and use it within your program (input redirection)

    • Example of input redirection: ./a.out < roomset_one.dat

  2. You must include the following functions:

    • ReadRoomData: a void function that accepts three reference parameters (the room number, max capacity, and enrolled). It should read in all three values from stdin.
    • DetermineStatus: a value-returning function that has one parameter (available enrollment). It should return a std::string containing the status of the room (OPEN, FULL, OVER)
    • OutputRoomInfo: a void function that accepts three value parameters (room, max capacity, and enrolled). It should call DetermineStatus and output the formatted room information for that single set of data.
1. Sample Run 1 ~/Open-Lab-2$ ./a.out roomset_one.dat Room Capacity Enrolled Empty Seats 420 327 420 317 *********** 25 18 20 100 ~/Open-Lab-2$ 2. Sample Run 2 ****** Rooms: 4 Overall Capacity: 103 Total Enrollment: 155 Number of OVER Enrolled Rooms: 1 Number of OPEN Rooms Available: 2 10 12 15 20 500 800 800 25 14 15 101 ************* ~/Open-Lab-2$ 3. Sample Run 3 0 4 ~/Open-Lab-2$ ./a.out roomset_two.dat Room Capacity Enrolled Empty Seats 55 102 111 250 4033 7810 8810 3 -1 3 10 10 25 207 800 0 ~/Open-Lab-2$ Rooms: 7 Overall Capacity: 2157 Total Enrollment: 100: Number of OVER Enrolled Rooms: 2 Number of OPEN Rooms Available: 4 5 2 -1 -5 293 0 800 Status FULL OPEN OPEN OVER Status OPEN OPEN OVER OVER OPEN FULL OPEN ******* ********** ~/Open-Lab-2$ ./a.out < roomset_three.dat Room Capacity Enrolled Empty Seats Status ******* ******** Rooms: 0 Overall Capacity: 0 Total Enrollment: 0 Number of OVER Enrolled Rooms: 0 Number of OPEN Rooms Available: 0 ************** ******* G
Transcribed Image Text:1. Sample Run 1 ~/Open-Lab-2$ ./a.out roomset_one.dat Room Capacity Enrolled Empty Seats 420 327 420 317 *********** 25 18 20 100 ~/Open-Lab-2$ 2. Sample Run 2 ****** Rooms: 4 Overall Capacity: 103 Total Enrollment: 155 Number of OVER Enrolled Rooms: 1 Number of OPEN Rooms Available: 2 10 12 15 20 500 800 800 25 14 15 101 ************* ~/Open-Lab-2$ 3. Sample Run 3 0 4 ~/Open-Lab-2$ ./a.out roomset_two.dat Room Capacity Enrolled Empty Seats 55 102 111 250 4033 7810 8810 3 -1 3 10 10 25 207 800 0 ~/Open-Lab-2$ Rooms: 7 Overall Capacity: 2157 Total Enrollment: 100: Number of OVER Enrolled Rooms: 2 Number of OPEN Rooms Available: 4 5 2 -1 -5 293 0 800 Status FULL OPEN OPEN OVER Status OPEN OPEN OVER OVER OPEN FULL OPEN ******* ********** ~/Open-Lab-2$ ./a.out < roomset_three.dat Room Capacity Enrolled Empty Seats Status ******* ******** Rooms: 0 Overall Capacity: 0 Total Enrollment: 0 Number of OVER Enrolled Rooms: 0 Number of OPEN Rooms Available: 0 ************** ******* G
3 4 3 0 #include <iostream> 7 #include <fstream> 8 #include <string> 9 10 void ReadRoomData(int &read, int &max_cap, int &enrolled); 11 void OutputRoomInfo(double, double, double); 12 bool Determinestatus(int empty_seats); 13 14 15 10 17 18 19 20 NNNNNANAMANS 21 22 23 24 25 20 27 28 29 30 31 //Description: Ask user for input regarding room #, maximum capacity of room, and current # of students enrolled 32 30 int main() { 38 } int room_num; int max_cap; int enrolled; std::string filename; //let's create an fstream variable std::ifstream input_file; void ReadRoomData(double &room_num, double &max_cap, double enrolled) { } 33 34 void OutputRoomInfo(int room, int max_cap, int enrolled) { int empty = max_cap - enrolled; 35 } std::cout << 37 std::string status = Determinestatus(int empty_seats) 42 43 44 45 40 47 ✔ 48 49 30 31 } std::cin>> 39 40 ✓ bool Determinestaus (int empty_seats) { if(empty_seats > 0) { 41✓ return "OPEN"; } else if (empty_seats == 0){ return "FULL"; } else{ } return "OVER";
Transcribed Image Text:3 4 3 0 #include <iostream> 7 #include <fstream> 8 #include <string> 9 10 void ReadRoomData(int &read, int &max_cap, int &enrolled); 11 void OutputRoomInfo(double, double, double); 12 bool Determinestatus(int empty_seats); 13 14 15 10 17 18 19 20 NNNNNANAMANS 21 22 23 24 25 20 27 28 29 30 31 //Description: Ask user for input regarding room #, maximum capacity of room, and current # of students enrolled 32 30 int main() { 38 } int room_num; int max_cap; int enrolled; std::string filename; //let's create an fstream variable std::ifstream input_file; void ReadRoomData(double &room_num, double &max_cap, double enrolled) { } 33 34 void OutputRoomInfo(int room, int max_cap, int enrolled) { int empty = max_cap - enrolled; 35 } std::cout << 37 std::string status = Determinestatus(int empty_seats) 42 43 44 45 40 47 ✔ 48 49 30 31 } std::cin>> 39 40 ✓ bool Determinestaus (int empty_seats) { if(empty_seats > 0) { 41✓ return "OPEN"; } else if (empty_seats == 0){ return "FULL"; } else{ } return "OVER";
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