Is a all numbers x for which 4 2 #include "interval.h"
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
C++
Transcribed Image Text:An interval is a range of numbers between two bounds. For example, Interval(4, 6) represents
all numbers x for which 4 <x<6.
Implement a + operator that takes two intervals and yields the smallest interval containing both of
them. For example, Interval(4, 6) + Interval(5, 8) is Interval(4, 8),and
Interval (4, 6) + Interval(7, 8) is also Interval(4, 8).
interval.cpp
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#include <iostream>
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#include "interval.h"
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using namespace std;
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// Add your operator here
Tester.cpp
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#include <iostream>
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#include "interval.h"
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using namespace std;
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int main()
{
Interval result = Interval (3, 4) + Interval(7, 8);
result.print(cout);
cout « "Expected: (3, 8)" « endl;
result = Interval(7, 9) + Interval (4, 8);
result.print(cout);
cout « "Expected: (4, 9)" << endl;
result = Interval(4, 9) + Interval (7, 8);
result.print(cout);
cout « "Expected: (4, 9)" <« endl;
result = Interval(4, 5) + Interval (5, 8);
result.print(cout);
cout « "Expected: (4, 8)" <« endl;
return 0;
}
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interval.h
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#ifndef INTERVAL H
#define INTERVAL H
#include <iostream>
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class Interval
{
public:
Interval (int lower_bound, int upper_bound);
void print(std::ostream& out) const;
Interval operator+(const Interval& other) const;
private:
int low;
int high;
};
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#endif
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