#include using namespace std; void main() { double pi = 0, denominator = 1; int counter = 999999; for (int x = 0; x

#include
using namespace std;
void main()
{
double pi = 0, denominator = 1;
int counter = 999999;
for (int x = 0; x < counter;="">
{
if (x % 2 != 0)
{
pi = pi - (1 / denominator);
}
else
{
pi = pi + (1 / denominator);
}
denominator = denominator + 2;
}
pi = pi * 4;
cout < "="" so="" the="" computed="" value="" of="" a="" pi="" is=" << pi << endl;
cout << ">
//return 0;
system("pause");
}

Note:

This a  program called ComputePI to compute the value of π

Tutor just have to Modify This program to use nested-if (if ... else if ... else if ... else) instead.

Explain by applying a double line comment