In a scheduling program, we want to check whether two appointments overlap. For simplicity, appointments start at a full hour, and we use military time (with hours 0–24). The following pseudocode describes an algorithm that determines whether the appointment with start time start1 and end time end1 overlaps with the appointment with start time start2 and end time end2. If start1 > start2 s = start1 Else s = start2 If end1 < end2 e = endl Else e = end2 If s < e The appointments overlap. Else The appointments don’t overlap. Trace this algorithm with an appointment from 10–12 and one from 11–13, then with an appointment from 10–11 and one from 12–13.
In a scheduling program, we want to check whether two appointments overlap. For simplicity, appointments start at a full hour, and we use military time (with hours 0–24). The following pseudocode describes an algorithm that determines whether the appointment with start time start1 and end time end1 overlaps with the appointment with start time start2 and end time end2. If start1 > start2 s = start1 Else s = start2 If end1 < end2 e = endl Else e = end2 If s < e The appointments overlap. Else The appointments don’t overlap. Trace this algorithm with an appointment from 10–12 and one from 11–13, then with an appointment from 10–11 and one from 12–13.
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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Question
In a scheduling
simplicity, appointments start at a full hour, and we use military time (with hours
0–24). The following pseudocode describes an
the appointment with start time start1 and end time end1 overlaps with the appointment with start time start2 and end time end2.
If start1 > start2
s = start1
Else
s = start2
If end1 < end2
e = endl
Else
e = end2
If s < e
The appointments overlap.
Else
The appointments don’t overlap.
Trace this algorithm with an appointment from 10–12 and one from 11–13, then with
an appointment from 10–11 and one from 12–13.
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