Question

How to use abs() function to get the absolute value of N in C++

Answer 1

#include <iostream>
#include <cmath>      

using namespace std;

int main()
{
	cout << "abs(-20) = " << abs(-20) << endl;
	cout << "abs(20) = " << abs(20) << endl;
	cout << "abs(-3.14) = " << abs(-3.14) << endl;
	cout << "abs(3.14) = " << abs(3.14) << endl;

	return 0;
}


/*
run:

abs(-20) = 20
abs(20) = 20
abs(-3.14) = 3.14
abs(3.14) = 3.14

*/

 

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