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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. /*
  7.  * volumeDrink - objem napoje je v milimetrech
  8.  * contentAlcohol - obsah alkoholu
  9.  * 0.8 je hustota ethanolu
  10.  * - vraci vysledek v [g]
  11.  */
  12. static float WeightEthanol(float volumeDrink, float contentAlcohol)
  13. {
  14. 	return (volumeDrink * contentAlcohol * 0.8f) / 100;
  15. }
  16.  
  17. /*
  18.  * volumeEthanol - celkove mnozstvi etanolu v [g]
  19.  * weightConsumer - vaha konzumenta v [kg]
  20.  * isMale - jedna se o muze?
  21.  * - jedna se o [g/kg]
  22.  */
  23. static float PerMille(float volumeEthanol, float weightConsumer, bool isMale)
  24. {
  25. 	float r = isMale ? 0.7f : 0.6f;
  26. 	return volumeEthanol / (weightConsumer * r);
  27. }
  28.  
  29. /*
  30.  * weightConsumer - vaha konzumenta v [kg]
  31.  * isMale - jedna se o muze?
  32.  * - vraci hmotnost ethanolu v [g], ktere telo odboura za 1h na 1Kg
  33.  */
  34. static float EthanolEliminates(float weightConsumer, bool isMale)
  35. {
  36. 	float beta = isMale ? 0.1f : 0.085f;
  37. 	return weightConsumer * beta;
  38. }
  39.  
  40. struct Clovek
  41. {
  42. 	float hmotnost, celkovyObjem, celkovyObsah;
  43. 	bool jeMuz;
  44.  
  45. 	Clovek()
  46. 	{
  47. 		hmotnost = 0;
  48. 		celkovyObjem = 0;
  49. 		celkovyObsah = 0;
  50. 		jeMuz = true;
  51. 	}
  52. };
  53.  
  54. struct Bar
  55. {
  56. 	int vino, malePivo, velkePivo, malaKoralka, velkaKoralka;
  57. 	Clovek clovek;
  58.  
  59. 	Bar()
  60. 	{
  61. 		vino = 0;
  62. 		malePivo = 0;
  63. 		velkePivo = 0;
  64. 		malaKoralka = 0;
  65. 		velkaKoralka = 0;
  66. 	}
  67. };
  68.  
  69. int main()
  70. {
  71. 	Bar bar;
  72.  
  73. 	cout << "Jste muz nebo zena? (1/0) :: ";
  74. 	cin >> bar.clovek.jeMuz;
  75.  
  76. 	cout << "Zadejte vasi hmotnost v Kg :: ";
  77. 	cin >> bar.clovek.hmotnost;
  78.  
  79. 	cout << endl;
  80. 	puts("\t+-------------------------+");
  81. 	puts("\t| 1. Vino                 |");
  82. 	puts("\t| 2. Male pivo            |");
  83. 	puts("\t| 3. Velke pivo           |");
  84. 	puts("\t| 4. Mala koralka         |");
  85. 	puts("\t| 5. Velka koralka        |");
  86. 	puts("\t| ----------------------- |");
  87. 	puts("\t| 6. Konec                |");
  88. 	puts("\t+-------------------------+");
  89. 	cout << endl;
  90. 	fflush(stdin);
  91.  
  92. 	char option;
  93.  
  94. 	while ((option = (char)getchar()) != '6')
  95. 	{
  96. 		string alcohol;
  97.  
  98. 		switch (option)
  99. 		{
  100. 		case '1':
  101. 			alcohol = "vino";
  102. 			bar.vino++;
  103. 			bar.clovek.celkovyObjem += 200;
  104. 			bar.clovek.celkovyObsah += 12;
  105. 			break;
  106.  
  107. 		case '2':
  108. 			alcohol = "male pivo";
  109. 			bar.malePivo++;
  110. 			bar.clovek.celkovyObjem += 300;
  111. 			bar.clovek.celkovyObsah += 4;
  112. 			break;
  113.  
  114. 		case '3':
  115. 			alcohol = "velke pivo";
  116. 			bar.velkePivo++;
  117. 			bar.clovek.celkovyObjem += 500;
  118. 			bar.clovek.celkovyObsah += 4;
  119. 			break;
  120.  
  121. 		case '4':
  122. 			alcohol = "mala koralka";
  123. 			bar.malaKoralka++;
  124. 			bar.clovek.celkovyObjem += 20;
  125. 			bar.clovek.celkovyObsah += 40;
  126. 			break;
  127.  
  128. 		case '5':
  129. 			alcohol = "velka koralka";
  130. 			bar.velkaKoralka++;
  131. 			bar.clovek.celkovyObjem += 50;
  132. 			bar.clovek.celkovyObsah += 40;
  133. 			break;
  134. 		}
  135.  
  136. 		if (alcohol.length())
  137. 			cout << "Objednali jste si: " << alcohol << "\n\n";
  138. 	}
  139. 	cout << "Vase objednavka je:" << endl;
  140. 	cout << "   Vino: " << bar.vino << "x\n";
  141. 	cout << "   Male pivo: " << bar.malePivo << "x\n";
  142. 	cout << "   Velke pivo: " << bar.velkePivo << "x\n";
  143. 	cout << "   Mala koralka: " << bar.malaKoralka << "x\n";
  144. 	cout << "   Velka koralka: " << bar.velkaKoralka << "x\n\n";
  145.  
  146. 	float hmotnostEthanolu = WeightEthanol(bar.clovek.celkovyObjem, bar.clovek.celkovyObsah);
  147. 	float promile = PerMille(hmotnostEthanolu, bar.clovek.hmotnost, bar.clovek.jeMuz);
  148.  
  149. 	cout << "Vase hodnota promile je: " << promile << " !";
  150.  
  151. 	fflush(stdin);
  152. 	cin.get();
  153. 	return 0;
  154. }
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https://ideone.com/YEfiR
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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