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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. #define RACES 10
  5.  
  6. // race results
  7. struct raceResult
  8. {
  9.     int raceNumber;
  10.     int winningHorseNumber;
  11.     int placeHorseNumber;
  12.     int showHorseNumber;
  13. };
  14.  
  15. // assume you can access this array that contains the results
  16. struct raceResult theDailyResults[RACES] =
  17. {
  18.     {1, 5, 3, 7},
  19.     {2, 2, 8, 1},
  20.     {3, 4, 6, 9},
  21.     {4, 10, 2, 3},
  22.     {5, 7, 5, 4},
  23.     {6, 1, 3, 2},
  24.     {7, 6, 9, 8},
  25.     {8, 8, 7, 5},
  26.     {9, 3, 4, 6},
  27.     {10, 2, 1, 9}
  28. };
  29.  
  30. // your specific race wager
  31. struct raceWager
  32. {
  33.     int raceNumber;
  34.     int myHorseNumber;
  35.     float myBetAmount;
  36.     char betType;
  37. };
  38.  
  39. // function prototype
  40. float myHorseBet (struct raceWager myBet, struct raceResult theDailyResults[]);
  41.  
  42. // **************************************************
  43. // Function: myHorseBet
  44. //
  45. // Description: calculates winnings for a horse race bet
  46. //
  47. // Parameters: myBet - structure containing wager info
  48. //             theDailyResults[] - array of race results
  49. //
  50. // Returns: winnings in dollars
  51. //          returns 0 if bet is invalid or lost
  52. //
  53. // **************************************************
  54.  
  55. float myHorseBet (struct raceWager myBet, struct raceResult theDailyResults[])
  56. {
  57.     int raceIndex;
  58.     float winnings = 0;
  59.  
  60.     // validate race number
  61.     if(myBet.raceNumber < 1 || myBet.raceNumber > RACES)
  62.         return 0;
  63.  
  64.     // validate horse number
  65.     if(myBet.myHorseNumber < 1 || myBet.myHorseNumber > 20)
  66.         return 0;
  67.  
  68.     // validate bet amount
  69.     if(myBet.myBetAmount < 5 || myBet.myBetAmount > 1000)
  70.         return 0;
  71.  
  72.     raceIndex = myBet.raceNumber - 1;
  73.  
  74.     // WIN
  75.     if(tolower(myBet.betType) == 'w')
  76.     {
  77.         if(myBet.myHorseNumber == theDailyResults[raceIndex].winningHorseNumber)
  78.             winnings = myBet.myBetAmount * 10;
  79.     }
  80.  
  81.     // PLACE
  82.     else if(tolower(myBet.betType) == 'p')
  83.     {
  84.         if(myBet.myHorseNumber == theDailyResults[raceIndex].winningHorseNumber ||
  85.            myBet.myHorseNumber == theDailyResults[raceIndex].placeHorseNumber)
  86.             winnings = myBet.myBetAmount * 5;
  87.     }
  88.  
  89.     // SHOW
  90.     else if(tolower(myBet.betType) == 's')
  91.     {
  92.         if(myBet.myHorseNumber == theDailyResults[raceIndex].winningHorseNumber ||
  93.            myBet.myHorseNumber == theDailyResults[raceIndex].placeHorseNumber ||
  94.            myBet.myHorseNumber == theDailyResults[raceIndex].showHorseNumber)
  95.             winnings = myBet.myBetAmount * 3;
  96.     }
  97.  
  98.     else
  99.         return 0;
  100.  
  101.     return winnings;
  102. }
  103.  
  104. // **************************************************
  105. // Function: main
  106. //
  107. // Description: collects user input and displays winnings
  108. //
  109. // **************************************************
  110.  
  111. int main()
  112. {
  113.     struct raceWager myBet;
  114.     float winnings;
  115.  
  116.     // input
  117.     printf("Enter race number (1-10): ");
  118.     scanf("%d", &myBet.raceNumber);
  119.  
  120.     printf("Enter horse number (1-20): ");
  121.     scanf("%d", &myBet.myHorseNumber);
  122.  
  123.     printf("Enter bet amount ($5 - $1000): ");
  124.     scanf("%f", &myBet.myBetAmount);
  125.  
  126.     printf("Enter bet type (W/P/S): ");
  127.     scanf(" %c", &myBet.betType);
  128.  
  129.     // call function
  130.     winnings = myHorseBet(myBet, theDailyResults);
  131.  
  132.     // output
  133.     if(winnings > 0)
  134.         printf("\nYou won $%.2f!\n", winnings);
  135.     else
  136.         printf("\nYou lost or entered invalid bet.\n");
  137.  
  138.     return 0;
  139. }
Success #stdin #stdout 0s 5304KB
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2 2 20 S
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Enter race number (1-10): Enter horse number (1-20): Enter bet amount ($5 - $1000): Enter bet type (W/P/S): 
You won $60.00!
https://ideone.com/ghR92n
language:
C (gcc 8.3)
created:
16 hours ago
visibility:
public

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