C++ Program to convert a positive number into a negative number and negative number into a positive number

C++ Program to convert a positive number into a negative number and negative number into a positive number using switch statements.

Flowchart to convert a +ve number into a -ve number

C++ Program to convert a positive number into a negative number

#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
	float number;
	int choice;
	cout<<"Select 1, for Negative to positive"<<endl;
	cout<<"Select 2, for positive to negative"<<endl;
	cin>>choice;
	switch(choice)
	{
		case 1:
			cout<<"Enter a Negative number"<<endl;
			cin>>number;
				number=number*(-1);
				cout<<"the Positive form of the number is"<<endl;
				cout<<number;
			break;
		case 2:
			cout<<"Enter a Positive number"<<endl;
			cin>>number;
		
				number=number*(-1);
				cout<<"Negative form of the number is"<<endl;
				cout<<number;
		    break;
		default:
		    cout<<"Invalid Input, or Characters entered"<<endl;		
	}
}

#include<iostream>

#include<conio.h>

using namespace std;

int main()

{

float number;

int choice;

cout<<"Select 1, for Negative to positive"<<endl;

cout<<"Select 2, for positive to negative"<<endl;

cin>>choice;

switch(choice)

{

case 1:

cout<<"Enter a Negative number"<<endl;

cin>>number;

number=number*(-1);

cout<<"the Positive form of the number is"<<endl;

cout<<number;

break;

case 2:

cout<<"Enter a Positive number"<<endl;

cin>>number;

number=number*(-1);

cout<<"Negative form of the number is"<<endl;

cout<<number;

break;

default:

cout<<"Invalid Input, or Characters entered"<<endl;

}

Output

Select 1, for Negative to positive
Select 2, for positive to negative

Enter a Negative number

-6

the positive form of the number is

SFT (Shamil’s Flow Table )

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