Not logged in. Log in with GitHub. About Websheets.

List of all available Websheets


Viewing cpp/control/liebnizapprox by redekopp@usc.edu. You have unsaved changes. Log in above to create, edit, preview and publish Websheets.
PropertyValue
Description
html markup
shown to student
 
This program should use a loop to compute the result of the first 10
terms of Leibniz's approximation of $\pi/4$.  See the comment in the code
for the exact terms.
Public permissions remove
Remarks
Comments, history, license, etc.
 
Originally by Mark Redekopp (redekopp@usc.edu) and Dave Pritchard (daveagp@gmail.com)
remove
Engine
Template / Reference solution
 
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
int main() {
   double approx;
   // write code that includes a for loop to compute the first 10
   // terms of Liebniz's approximation to PI/4 which is:
   //  (1/1) - (1/3) + (1/5) - (1/7) + ... - (1/19)
\[      
   approx = 0.0;
   for(int i=0; i < 10; i++){
     approx += pow(-1,i)/(2*i+1);
   }
]\
   cout << "The approximate value is ";
   cout << setprecision(3) << approx  << endl;
   return 0;
}
C++ test suite
json list of stdin/args tests
e.g. [{"stdin":"hi", "args":["4", "5"]},
{"stdin":"noargs"}]

to just run once with no input use [{}]
 
[
   {}
]
Solution visibility remove


Optional properties:

Note: problems are open-source by default (see 'Public permissions'). Assumed license for open problems is Creative Commons 4.0 Attribution-ShareAlike unless specified in 'Remarks'.