Subtract Two Numbers Without Using Subtraction Operator in C++

  A simple program that I wrote using C++ programming language that will ask the user to give two number and then the program will subtract the difference of two numbers without using subtraction operator.

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Program Listing
/* Subtract two numbers without using subtraction operator */

#include <iostream>

int main(){
    
	int x=0,y=0,sum=0;
    
    std::cout <<"\n\n";
    std::cout <<"\tSubtract Two Numbers Without Using Subtraction Operator in C++";
	std::cout <<"\n\n";
    /* Input Here */
    std::cout <<"\tGive Two Numbers : ";
    std::cin >> x >> y;
    /* Computation Here */
	sum = x + ~y + 1;
    
     /* Output */
    std::cout <<"\n\n";
	std::cout <<"\tDifference between " << x <<
	       " and " << y << " is " << sum << ".";
    std::cout <<"\n\n";
    std::cout <<"\tEnd of Program";
    std::cout <<"\n\n";
}