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  1. #include <stdio.h>
  2. #include <ctype.h>
  3.  
  4. #define RACES 10
  5.  
  6. struct raceResult {
  7.     int raceNumber;
  8.     int winningHorseNumber;
  9.     int placeHorseNumber;
  10.     int showHorseNumber;
  11. };
  12.  
  13. struct raceWager {
  14.     int raceNumber;
  15.     int myHorseNumber;
  16.     float myBetAmount;
  17.     char betType; // 'W', 'P', 'S'
  18. };
  19.  
  20. float myHorseBet(struct raceWager myBet, struct raceResult theDailyResults[]);
  21.  
  22. int main(void) {
  23. 	struct raceResult theDailyResults[RACES] = {
  24.         {1, 5, 3, 8},
  25.         {2, 4, 6, 7},
  26.         {3, 2, 9, 1},
  27.         // ... other races
  28.     };
  29.  
  30.     struct raceWager myBet = {1, 5, 10.0f, 'W'}; // bet $10 on horse 5 to win race 1
  31.  
  32.     float payout = myHorseBet(myBet, theDailyResults);
  33.     if (payout > 0)
  34.         printf("You won $%.2f!\n", payout);
  35.     else
  36.         printf("Sorry, you lost.\n");
  37.  
  38.     return 0;
  39. }
  40.  
  41. float myHorseBet(struct raceWager myBet, struct raceResult theDailyResults[]) {
  42.     float winnings = 0.0f;
  43.  
  44.     // Validate bet type
  45.     if (myBet.betType != 'W' && myBet.betType != 'P' && myBet.betType != 'S') {
  46.         return winnings;
  47.     }
  48.  
  49.     // Search for the matching race
  50.     for (int i = 0; i < RACES; i++) {
  51.         if (theDailyResults[i].raceNumber == myBet.raceNumber) {
  52.  
  53.             // Win bet: must be 1st place
  54.             if (myBet.betType == 'W' &&
  55.                 myBet.myHorseNumber == theDailyResults[i].winningHorseNumber) {
  56.                 winnings = myBet.myBetAmount * 2.0f;
  57.             }
  58.  
  59.             // Place bet: must be 1st or 2nd place
  60.             else if (myBet.betType == 'P' &&
  61.                     (myBet.myHorseNumber == theDailyResults[i].winningHorseNumber ||
  62.                      myBet.myHorseNumber == theDailyResults[i].placeHorseNumber)) {
  63.                 winnings = myBet.myBetAmount * 1.5f;
  64.             }
  65.  
  66.             // Show bet: must be 1st, 2nd, or 3rd place
  67.             else if (myBet.betType == 'S' &&
  68.                     (myBet.myHorseNumber == theDailyResults[i].winningHorseNumber ||
  69.                      myBet.myHorseNumber == theDailyResults[i].placeHorseNumber ||
  70.                      myBet.myHorseNumber == theDailyResults[i].showHorseNumber)) {
  71.                 winnings = myBet.myBetAmount * 1.2f;
  72.             }
  73.  
  74.             break; // race found, no need to continue loop
  75.         }
  76.     }
  77.  
  78.     return winnings;
  79. }
Success #stdin #stdout 0.01s 5288KB
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You won $20.00!
https://ideone.com/OzOnOW
language:
C (gcc 8.3)
created:
25 days ago
visibility:
public

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