Tundub töötavat

panga_automaat/automaat.c

 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <stdbool.h>
 
 #define SUMMA 100
 
-
-struct resource {
+struct Bills
+{
     int amount;
     int size;
-}; 
+};
 
-// struct bank_resources
-// {
-//     int five;
-//     int twenty_five;
-//     int fifty;
-//     int hundred;
-// };
+struct Result
+{
+    int total;
+    struct Bills content[100];
+};
 
 // Kontrollib kas kasutaja vastas soovitud vastusega
 int is_correct_choice(char user_answer[8])
@@ -26,67 +25,109 @@ int is_correct_choice(char user_answer[8])
     return (strcmp(new, "no") == 0) || (strcmp(new, "yes") == 0);
 }
 
-// int withdraw_from_lowest(struct resource data) {
-//     int return_amount = 0;
-//     if (data.five > 0) {
-//          data.five -= 1;
-//          return_amount = 5;
-//     } 
-//     else if (data.twenty_five > 0) {
-//         data.twenty_five -= 1;
-//         return_amount = 25;
-//     }
-//     else if (data.fifty > 0) {
-//         data.fifty -= 1;
-//         return_amount = 50;
-//     }
-//     else if (data.hundred > 0) {
-//         data.hundred -= 1;
-//         return_amount = 100;
-//     }
-// }
-
 int main(void)
 {
-    struct resource bank[4];
+    struct Bills bank[4];
+    struct Result result;
+    result.total = 0;
+
+    char user_answer[8];
+
+    //Paneme raha kogustes kupüüre
 
-    bank[0].amount = rand() % 2;
+    bank[0].amount = 5;
     bank[0].size = 5;
-    bank[1].amount = rand() % 3;
+
+    bank[1].amount = 3;
     bank[1].size = 25;
-    bank[2].amount = rand() % 2;
+
+    bank[2].amount = 1;
     bank[2].size = 50;
-    bank[3].amount = rand() % 2;
-    bank[3].size = 100;
 
-    char user_answer[8];
-    int return_total = 0;
+    //Küsime kasutajalt sisendit
 
     printf("Kas soovite väikseid kupüüre? ( yes / no ) \n");
     scanf("%s", user_answer);
 
     int user_choice = is_correct_choice(user_answer);
 
-
+    //Kui kasutaja valesti vastab, laseme tal uuesti vastata
     while (user_choice != 1)
     {
-        //Laseme kasutajal uuesti vastata
         printf("Vale vastus ! \n");
         printf("Kas soovite väikseid kupüüre? ( yes / no ) \n");
         scanf("%s", user_answer);
         user_choice = is_correct_choice(user_answer);
     }
 
-    //Anname suuri kupüüre
-    if (strcmp(user_answer, "no") == 0)
+    int low_bills = strcmp(user_answer, "yes") == 0;
+    int bill_index = 0, result_index = 0;
+    bool wrong_amount_of_bills = false;
+
+    // Kui kasutaja ei taha väikseid kupüüre alustame suurtest esimesena.
+    if (!low_bills)
+    {
+        bill_index = 2;
+    }
+
+    // Üritame pangast võtta vajalikku summa kupüüre.
+    while (result.total < SUMMA && !wrong_amount_of_bills)
     {
 
+        if (low_bills && bank[bill_index].amount == 0)
+        {
+            if ((bill_index + 1) <= 2)
+            {
+                bill_index += 1;
+            }
+        }
+
+        if (!low_bills && bank[bill_index].amount == 0)
+        {
+
+            if (bill_index - 1 >= 0)
+            {
+                bill_index -= 1;
+            }
+        }
+
+        //Kui vastavat kupüüri on pangas, üritame selle kogu kasutajale tagasi antavasse rahasse lisada.
+        if (bank[bill_index].amount > 0)
+        {
+
+            result.content[result_index].amount = 1;
+            result.content[result_index].size = bank[bill_index].size;
+            result_index += 1;
+
+            result.total += bank[bill_index].size;
+
+            if (result.total > SUMMA)
+            {
+                wrong_amount_of_bills = true;
+                break;
+            }
+
+            bank[bill_index].amount -= 1;
+        }
     }
 
-     //Anname väikseid kupüüre
-    if (strcmp(user_answer, "yes") == 0)
+    if (wrong_amount_of_bills)
     {
-        printf("Vastus %d \n", user_choice);
+        printf("Masinal pole piisavalt vajatud kupüüre, et summat vahetada \n");
+    }
+    else
+    {
+        int i = 0;
+
+        for (i; i < sizeof result.content / sizeof *result.content; i++)
+        {
+            if (result.content[i].amount == 1 && result.content[i].size > 0)
+            {
+                printf("Masin tagastab raha %d \n", result.content[i].size);
+            }
+        }
+
+        printf("Tagastatud summa kokku %d \n", result.total);
     }
 
     return 0;