C++ Add an output operator for the BigInt class.bigint.cpp#include #include "bigint.h"using namespace std;12345// Add your operator herebigint.h1#ifndef BIGINT H2#define BIGINT H3#include 4class BigInt{public:BigInt();BigInt(const std::string& digits);BigInt(long n);BigInt& operator+=(const BigInt& rhs);5789.101112private:std::string m_digits;bool is_negative};BigInt operator+(const BigInt& lhs, const BigInt& rhs);131415= false;16171819#endifTester.cpp1#include 2#include 3#include "bigint.h"4using namespace std;int main(){BigInt a("123"), b("456");cout « a « " + " « b <« ": " « (a + b) « endl;cout « "Expected: 579" « endl « endl;cout « a << " + 999: " « (a + 999) « endl;cout « "Expected: 1122" <« endl « endl;cout <« LONG MAX << " + " « b « ": " « (LONG MAX + b) << endl;cout « "Expected: 9223372036854776263" < endl;}78910111213141516CodeCheckReset

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Answered: Add an output operator for the BigInt…

Add an output operator for the BigInt class. bigint.cpp 1 #include 2 #include "bigint.h" using namespace std; 4 // Add your operator here

Database System Concepts

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Chapter1: Introduction

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Question

C++

Add an output operator for the BigInt class.
bigint.cpp
#include <iostream>
#include "bigint.h"
using namespace std;
1
2
3
4
5
// Add your operator here
bigint.h
1
#ifndef BIGINT H
2
#define BIGINT H
3
#include <string>
4
class BigInt
{
public:
BigInt();
BigInt(const std::string& digits);
BigInt(long n);
BigInt& operator+=(const BigInt& rhs);
5
7
8
9.
10
11
12
private:
std::string m_digits;
bool is_negative
};
BigInt operator+(const BigInt& lhs, const BigInt& rhs);
13
14
15
= false;
16
17
18
19
#endif
Tester.cpp
1
#include <iostream>
2
#include <climits>
3
#include "bigint.h"
4
using namespace std;
int main()
{
BigInt a("123"), b("456");
cout « a « " + " « b <« ": " « (a + b) « endl;
cout « "Expected: 579" « endl « endl;
cout « a << " + 999: " « (a + 999) « endl;
cout « "Expected: 1122" <« endl « endl;
cout <« LONG MAX << " + " « b « ": " « (LONG MAX + b) << endl;
cout « "Expected: 9223372036854776263" < endl;
}
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8
9
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12
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16
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