Cpp - Write program to define variables for floating-point numbers and initializes them with the values

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Requirements

Write a C++ program that two defines variables for floating-point numbers and initializes them with the values: 123.456 and 76.543

Then display the sum and the difference of these two numbers on screen.

Demo

#include <iostream> 
using namespace std; 

int main() //from  www . j a v a  2 s .  co m
{ 
    float x = 123.456F,               // or double 
           y = 76.543F, 
           sum; 

    sum = x + y; 

    cout << "Total:        " 
          << x << " + " << y << " = " << sum << endl; 

    cout << "Difference:  " 
          << x << " - " << y << " = " << (x - y) << endl; 

    return 0; 
}

Result