Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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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; } 7 8 9 10 11 12 13 14 15 16 CodeCheck Reset
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Transcribed Image Text: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; } 7 8 9 10 11 12 13 14 15 16 CodeCheck Reset
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