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  1. //Maxwell Brewer            CS1A           Chapter 4, P. 224, #19
  2. //
  3. /***************************************************************
  4.  * 
  5.  * CALCULATE SOUND SPEED
  6.  * ________________________________________________
  7.  * 
  8.  * This program will take user input to determine
  9.  * the distance of sound traveling through a particular gas
  10.  * by using a switch statement.
  11.  * _____________________________________________
  12.  * INPUT
  13.  * 
  14.  * environment, distance, time
  15.  * 
  16.  * OUTPUT
  17.  * 
  18.  * distance
  19.  * 
  20.  ***************************************************************/
  21.  
  22. #include <iostream>
  23. #include <iomanip>
  24. #include <string>
  25.  
  26. using namespace std;
  27.  
  28. int main() {
  29.  
  30.   // Initialization
  31.   int environment;
  32.   double distance;
  33.   double time;
  34.  
  35.   // Display input prompts
  36.  cout << "In what environment is the sound travelling in?\n";
  37.     cout << "1. Carbon Dioxide\n2. Air\n3. Helium\n4. Hydrogen\n";
  38.     cout << "Enter 1, 2, 3 or 4:\n";
  39.     cin >> environment;
  40.  
  41.     cout << "How many seconds did it take? (0-30)\n";
  42.     cin >> time;
  43.  
  44.   // Output
  45.   if(time >= 0 && time <=30){
  46.         switch (environment){
  47.             case 1:
  48.                 distance = time * 258.0;
  49.                 break;
  50.             case 2:
  51.                 distance = time * 331.5;
  52.                 break;
  53.             case 3:
  54.                 distance = time * 972.0;
  55.                 break;
  56.             case 4:
  57.                 distance = time * 1270.0;
  58.                 break;
  59.             default:
  60.                 //display error message for invalid environment
  61.                 //input
  62.                 cout << "Please enter an available environment!\n";
  63.                 break;
  64.         }
  65.     }
  66.     else{
  67.         //display error message for negative distances
  68.         cout << "Please enter a time within given range!\n";
  69.     }
  70.  
  71.     //display on screen output message
  72.     cout << "The distance from the source is ";
  73.     cout << distance << " meters.\n";
  74.  
  75. 	return 0;
  76. }
Success #stdin #stdout 0.01s 5272KB
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In what environment is the sound travelling in?
1. Carbon Dioxide
2. Air
3. Helium
4. Hydrogen
Enter 1, 2, 3 or 4:
How many seconds did it take? (0-30)
The distance from the source is 31750 meters.
https://ideone.com/kUIbdO
Chapter 4, P. 224, #19
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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