60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
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#include <stdio.h>
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#include <stdbool.h>
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typedef enum
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{
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STATE_ready_for_item,
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STATE_scanning,
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}state;
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typedef enum
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{
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tissues,
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pasta,
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tomato_sauce,
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bread,
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butter,
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batteries,
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toothbrush,
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ITEM_TYPE_COUNT,
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}item;
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int main()
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{
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bool CustomerHasItems = true;
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int TimePassed = 0;
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#define CUSTOMER_ITEM_COUNT 5 // This declares a constant
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item CustomerItems[CUSTOMER_ITEM_COUNT] = {tissues, pasta, tomato_sauce, bread, butter};
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// NOTE: time is in seconds
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item Time[ITEM_TYPE_COUNT];
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Time[tissues] = 1;
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Time[pasta] = 2;
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Time[tomato_sauce] = 3;
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Time[bread] = 10;
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Time[butter] = 2;
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Time[batteries] = 2;
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Time[toothbrush] = 1;
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int ItemsLeft = CUSTOMER_ITEM_COUNT;
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state CurrentState = STATE_ready_for_item; // The state the cashier is in
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while(CustomerHasItems)
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{
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// TODO: Implement the state machine here
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int CurrentItemIndex = CUSTOMER_ITEM_COUNT - ItemsLeft;
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item CurrentItem = CustomerItems[CurrentItemIndex];
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TimePassed += Time[CurrentItem];
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ItemsLeft--;
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// Print this only while scanning
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printf("Time since start: %d. Scanning a product. %d to go.\n", TimePassed, ItemsLeft);
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if(!ItemsLeft)
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CustomerHasItems = false;
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}
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}
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