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Practical-21

Write a cpp program for implementation of unary minus operator.​

Introduction

Code​

Practical-21.cpp


#include <iostream>

void main()
{
    // Declare the variable a
    int a;

    // Read a value
    std::cout << "Enter an integer: ";
    std::cin >> a;

    // Print the negative of a
    std::cout << "The negative of " << a
            << " is " << -a;

    return 0;
}

Output​

Enter an integer: 5
The negative of 5 is -5