Answered: #include using namespace std; void…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

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

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