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  1. //Micah Krosby						CS1A					 Ch. 3, P. 147, # 18
  2. /*******************************************************************************
  3.  * 
  4.  * CALCULATE SLICE QUANTITY IN PIZZA
  5.  * _____________________________________________________________________________
  6.  * 
  7.  * This program finds the amount of slices of a specified slice area that should
  8.  * be cut into a pizza of a specified diameter.
  9.  * 
  10.  * FORMULAE-
  11.  * Area = PI * (Diameter/2)^2
  12.  * Slice Quantity = Pizza Area / Slice Area
  13.  * _____________________________________________________________________________
  14.  * 
  15.  * INPUTS-
  16.  *	diameter	:	Diameter of pizza requested
  17.  *	sliceArea	:	Given area of pizza slices
  18.  * 
  19.  * OUTPUTS-
  20.  *	pizzaArea	:	Area of pizza requested
  21.  *	sliceNumber	:	Number of slices in pizza requested
  22.  * 
  23. *******************************************************************************/
  24.  
  25. #include <iostream>
  26. #include <iomanip>
  27. #include <cmath>
  28. #define PI 3.14
  29. using namespace std;
  30.  
  31. int main() {
  32. 	float diameter;		//INPUT- Diameter of pizza
  33. 	float sliceArea;	//INPUT- Area of one slice
  34. 	float pizzaArea;	//OUTPUT- Area of pizza
  35. 	float sliceNumber;	//OUTPUT- Number of slices in pizza
  36.  
  37. 	//Initialize inputs
  38. 	cout << "Diameter?" << endl;
  39. 	cin >> diameter;
  40. 	cout << endl;
  41. 	sliceArea = 14.125;
  42.  
  43. 	//Calculate outputs
  44. 	pizzaArea = PI * pow(diameter / 2, 2);
  45. 	sliceNumber = pizzaArea / sliceArea;
  46.  
  47. 	//Formatted output
  48. 	cout << "The amount of slices that should be cut into this pizza is " 
  49. 	<< fixed << setprecision(1) << sliceNumber << ".";
  50. 	return 0;
  51. }
Success #stdin #stdout 0s 5280KB
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Diameter?

The amount of slices that should be cut into this pizza is 22.2.
https://ideone.com/1qKQHf
homework 3.18
language:
C++ (gcc 8.3)
created:
122 days ago
visibility:
public

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