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   <TITLE>1991 ACM Finals, Problem E - Use of Hospital Facilities</TITLE>
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<H2>
<I>1991 ACM Scholastic Programming Contest Finals</I></H2></CENTER>

<CENTER>
<H4>
<I>sponsored by AT&amp;T Computer Systems</I></H4></CENTER>

<CENTER>
<H2>
Problem E<BR>
Use of Hospital Facilities</H2></CENTER>
County General Hospital is trying to chart its course through the troubled
waters of the economy and shifting population demographics. To support
the planning requirements of the hospital, you have been asked to develop
a simulation program that will allow the hospital to evaluate alternative
configurations of operating rooms, recovery rooms and operations guidelines.
Your program will monitor the usage of operating rooms and recovery room
beds during the course of one day.

<P>County General Hospital has several operating rooms and recovery room
beds. Each surgery patient is assigned to an available operating room and
following surgery the patient is assigned to one of the recovery room beds.
The amount of time necessary to transport a patient from an operating room
to a recovery room is fixed and independent of the patient. Similarly,
both the amount of time to prepare an operating room for the next patient
and the amount of time to prepare a recovery room bed for a new patient
are fixed.

<P>All patients are officially scheduled for surgery at the same time,
but the order in which they actually go into the operating rooms depends
on the order of the patient roster. A patient entering surgery goes into
the lowest numbered operating room available. For example, if rooms 2 and
4 become available simultaneously, the next patient on the roster not yet
in surgery goes into room 2 and the next after that goes into room 4 at
the same time. After surgery, a patient is taken to the available recovery
room bed with the lowest number. If two patients emerge from surgery at
the same time, the patient with the lower number will be the first assigned
to a recovery room bed. (If in addition the two patients entered surgery
at the same time, the one first on the roster is first assigned a bed.)
<H3>
Input and Output</H3>
The input file contains data for a single simulation run. All numeric data
in the input file are integers, and successive integers on the same line
are separated by blanks. The first line of the file is the set of hospital
configuration parameters to be used for this run. The parameters are, in
order:
<BLOCKQUOTE>Number of operating rooms (maximum of 10)
<BR>Number of recovery room beds (maximum of 30)
<BR>Starting hour for 1st surgery of day (based on a 24-hour clock)
<BR>Minutes to transport patient from operating room to recovery room
<BR>Minutes to prepare operating room for next patient
<BR>Minutes to prepare recovery room bed for next patient
<BR>Number of surgery patients for the day (maximum of 100)</BLOCKQUOTE>
This initial configuration data will be followed by pairs of lines of patient
data as follows:
<BLOCKQUOTE>Line 1: Last name of patient (maximum of 8 characters)
<BR>Line 2: Minutes required for surgery Minutes required in the recovery
room</BLOCKQUOTE>
Patient records in the input file are ordered according to the patient
roster, which determines the order in which patients are scheduled for
surgery. The number of recovery room beds specified in any configuration
will be sufficient to handle patients arriving from surgery (No queuing
of patients for recovery room beds will be required). Computed times will
not extend past 24:00.

<P>Correct output shows which operating room and which recovery room bed
is used by each patient, and the time period that the patient uses the
room and bed along with a summary of the utilization of hospital facilities
for that day. The output file consists of a set of two tables describing
the results of the simulation run. The first table is in columnar form
with appropriate column labels to show the number of each patient (in the
order the patient roster), the patient's last name, the operating room
number, the time surgery beings and ends, the recovery bed number and the
time the patient enters and leaves the recovery room bed.

<P>The second table will also be in columnar form with appropriate column
labels summarizing the utilization of operating rooms and recovery room
beds. This summary indicates the facility type (room or bed), the facility
number, the number of minutes used and percentage of available time utilized.
Available time is defined as the time in minutes from the starting time
for 1st surgery of day to the ending time of the last patient in a recovery
room bed. A sample input file and corresponding correct output are shown
below.
<H3>
Sample Input</H3>

<PRE>5 12 07 5 15 10 16
Jones
28 140
Smith
120 200
Thompson
23 75
Albright
19 82
Poucher
133 209
Comer
74 101
Perry
93 188
Page
111 223
Roggio
69 122
Brigham
42 79
Nute
22 71
Young
38 140
Bush
26 121
Cates
120 248
Johnson
86 181
White
92 140</PRE>

<H3>
Sample Output</H3>

<PRE>Patient&nbsp;&nbsp; Operating Room&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Recovery Room
#&nbsp; Name&nbsp;&nbsp; Room#&nbsp;&nbsp; Begin&nbsp;&nbsp;&nbsp;&nbsp; End&nbsp;&nbsp; Bed#&nbsp;&nbsp; Begin&nbsp;&nbsp;&nbsp;&nbsp; End&nbsp;
1&nbsp; Jones&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp; 7:00&nbsp;&nbsp;&nbsp; 7:28&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp; 7:33&nbsp;&nbsp;&nbsp; 9:53
2&nbsp; Smith&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp;&nbsp; 7:00&nbsp;&nbsp;&nbsp; 9:00&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp; 9:05&nbsp;&nbsp; 12:25
3&nbsp; Thompson&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp; 7:00&nbsp;&nbsp;&nbsp; 7:23&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp;&nbsp; 7:28&nbsp;&nbsp;&nbsp; 8:43
4&nbsp; Albright&nbsp;&nbsp; 4&nbsp;&nbsp;&nbsp; 7:00&nbsp;&nbsp;&nbsp; 7:19&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp; 7:24&nbsp;&nbsp;&nbsp; 8:46
5&nbsp; Poucher&nbsp;&nbsp;&nbsp; 5&nbsp;&nbsp;&nbsp; 7:00&nbsp;&nbsp;&nbsp; 9:13&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5&nbsp;&nbsp;&nbsp; 9:18&nbsp;&nbsp; 12:47
6&nbsp; Comer&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4&nbsp;&nbsp;&nbsp; 7:34&nbsp;&nbsp;&nbsp; 8:48&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp;&nbsp; 8:53&nbsp;&nbsp; 10:34
7&nbsp; Perry&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp; 7:38&nbsp;&nbsp;&nbsp; 9:11&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4&nbsp;&nbsp;&nbsp; 9:16&nbsp;&nbsp; 12:24
8&nbsp; Page&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp; 7:43&nbsp;&nbsp;&nbsp; 9:34&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 6&nbsp;&nbsp;&nbsp; 9:39&nbsp;&nbsp; 13:22
9&nbsp; Roggio&nbsp;&nbsp;&nbsp;&nbsp; 4&nbsp;&nbsp;&nbsp; 9:03&nbsp;&nbsp; 10:12&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9&nbsp;&nbsp; 10:17&nbsp;&nbsp; 12:19
10 Brigham&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp;&nbsp; 9:15&nbsp;&nbsp;&nbsp; 9:57&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8&nbsp;&nbsp; 10:02&nbsp;&nbsp; 11:21
11 Nute&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp; 9:26&nbsp;&nbsp;&nbsp; 9:48&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 7&nbsp;&nbsp;&nbsp; 9:53&nbsp;&nbsp; 11:04
12 Young&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5&nbsp;&nbsp;&nbsp; 9:28&nbsp;&nbsp; 10:06&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp; 10:11&nbsp;&nbsp; 12:31
13 Bush&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp; 9:49&nbsp;&nbsp; 10:15&nbsp;&nbsp;&nbsp;&nbsp; 10&nbsp;&nbsp; 10:20&nbsp;&nbsp; 12:21
14 Cates&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp; 10:03&nbsp;&nbsp; 12:03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8&nbsp;&nbsp; 12:08&nbsp;&nbsp; 16:16
15 Johnson&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp; 10:12&nbsp;&nbsp; 11:38&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2&nbsp;&nbsp; 11:43&nbsp;&nbsp; 14:44
16 White&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5&nbsp;&nbsp; 10:21&nbsp;&nbsp; 11:53&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 7&nbsp;&nbsp; 11:58&nbsp;&nbsp; 14:18


Facility Utilization
Type&nbsp; # Minutes&nbsp; % Used
-------------------------
Room&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; 165&nbsp;&nbsp; 29.68
Room&nbsp; 2&nbsp;&nbsp;&nbsp;&nbsp; 248&nbsp;&nbsp; 44.60
Room&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; 258&nbsp;&nbsp; 46.40
Room&nbsp; 4&nbsp;&nbsp;&nbsp;&nbsp; 162&nbsp;&nbsp; 29.14
Room&nbsp; 5&nbsp;&nbsp;&nbsp;&nbsp; 263&nbsp;&nbsp; 47.30
Bed&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; 282&nbsp;&nbsp; 50.72
Bed&nbsp;&nbsp; 2&nbsp;&nbsp;&nbsp;&nbsp; 357&nbsp;&nbsp; 64.21
Bed&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp;&nbsp; 280&nbsp;&nbsp; 50.36
Bed&nbsp;&nbsp; 4&nbsp;&nbsp;&nbsp;&nbsp; 188&nbsp;&nbsp; 33.81
Bed&nbsp;&nbsp; 5&nbsp;&nbsp;&nbsp;&nbsp; 209&nbsp;&nbsp; 37.59
Bed&nbsp;&nbsp; 6&nbsp;&nbsp;&nbsp;&nbsp; 223&nbsp;&nbsp; 40.11
Bed&nbsp;&nbsp; 7&nbsp;&nbsp;&nbsp;&nbsp; 211&nbsp;&nbsp; 37.95
Bed&nbsp;&nbsp; 8&nbsp;&nbsp;&nbsp;&nbsp; 327&nbsp;&nbsp; 58.81
Bed&nbsp;&nbsp; 9&nbsp;&nbsp;&nbsp;&nbsp; 122&nbsp;&nbsp; 21.94
Bed&nbsp; 10&nbsp;&nbsp;&nbsp;&nbsp; 121&nbsp;&nbsp; 21.76
Bed&nbsp; 11&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 0.00
Bed&nbsp; 12&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp; 0.00</PRE>

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