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  1. //Cameron Pham             CS1A                       Chapter 4, P. 224, #19
  2. //
  3. /*******************************************************************************
  4. * 
  5. * Calculate the Speed of Sound in Gases
  6. * 
  7. *______________________________________________________________________________
  8. * This program displays a menu of four gases. A gas is selected and the program
  9. * accepts a value for the time it took for sound to travel through it. The 
  10. * program then calculates the distance the sound traveled.
  11. * 
  12. * INPUT
  13. *	Choice of gas		
  14. *   Time in seconds     
  15. * 
  16. * OUTPUT
  17. *	Distance the sound traveled
  18. * 
  19.  ******************************************************************************/
  20.  #include <iostream> 
  21.  #include <limits>
  22.  using namespace std;
  23.  int main()
  24.  {
  25.  	int choice;			//INPUT - Menu selection for 1-4 gases
  26.  	float seconds;		//INPUT - Time in seconds for the sound to travel
  27.  	float speed;		//Speed of sound for the selected gas
  28.  	float distance;		//OUTPUT - Distance sound traveled in meters
  29.  
  30.  	// Display the menu
  31.  	cout << "Speed of Sound Calculator" << endl;
  32.  	cout << "1. Carbon Dioxide" << endl;
  33.  	cout << "2. Air" << endl;
  34.  	cout << "3. Helium" << endl;
  35.  	cout << "4. Hydrogen" << endl;
  36.  	cout << "Enter your choice: ";
  37.  	cin >> choice;
  38.  	cout << endl;
  39.  
  40.  	// Validate the menu choice
  41.  	while (cin.fail() || choice < 1 || choice > 4)
  42.  	{
  43.  		cin.clear();
  44.  		cin.ignore(numeric_limits<streamsize>::max(), '\n');
  45.  		cout << "Invalid choice. Please enter a number 1-4: ";
  46.  		cin >> choice;
  47.  	}
  48.  
  49.  	// Assign speed based on menu choice using a switch statement
  50.  	switch (choice)
  51.  	{
  52.  		case 1:
  53.  			speed = 258.0;
  54.  			break;
  55.  		case 2:
  56.  			speed = 331.5;
  57.  			break;
  58.  		case 3:
  59.  			speed = 972.0;
  60.  			break;
  61.  		case 4:
  62.  			speed = 1270.0;
  63.  			break;
  64.  	}
  65.  
  66.  	// Get and validate the number of seconds
  67.  	cout << "Enter the number of seconds: ";
  68.  	cin >> seconds;
  69.  	cout << endl;
  70.  
  71.  	while (cin.fail() || seconds < 0 || seconds > 30)
  72.  	{
  73.  		cin.clear();
  74.  		cin.ignore(numeric_limits<streamsize>::max(), '\n');
  75.  		cout << "Invalid time. Please enter a value between 0 and 30 seconds: ";
  76.  		cin >> seconds;
  77.  	}
  78.  
  79.  	// Calculate and display the distance
  80.  	distance = speed * seconds;
  81.  	cout << "The sound source was " << distance << " meters away." << endl;
  82.  
  83.  	return 0;
  84.  }
Success #stdin #stdout 0.01s 5320KB
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Speed of Sound Calculator
1. Carbon Dioxide
2. Air
3. Helium
4. Hydrogen
Enter your choice: 
Enter the number of seconds: 
The sound source was 31750 meters away.
https://ideone.com/j2D9hA
Chapter 4, p. 224, #19
language:
C++ (gcc 8.3)
created:
9 days ago
visibility:
public

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