Add files via upload

Author: aidanTheCoder

hw2_array_queue.c

@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#define MAXSIZE 5
+
+int addToQueue(int myQueue[MAXSIZE], int* start, int* finish);
+int removeFromQueue(int theQueue[MAXSIZE], int* begin, int* end); 
+
+int main()
+{
+    int queue[MAXSIZE] = {0};
+    char action = '\0';
+    int rear = -1;
+    int front = 0; 
+    do
+    {
+        printf("What do you want to do? \
+               \n\r[i for insert, r for remove, q for quit] ");   
+        scanf(" %c",&action);
+        if (action == 'i') 
+            rear = addToQueue(queue, &front, &rear);
+        else if (action == 'r')
+            front = removeFromQueue(queue, &front, &rear);
+        else if (action == 'q') 
+            printf("~$\n");
+        else 
+            printf("That's not a valid input.\n"); 
+    } 
+    while (action != 'q');
+    return 0;
+}
+
+int addToQueue(int myQueue[MAXSIZE], int* start, int* finish)
+{
+    int addInt = 0; 
+    if ((*start == 0) && (*finish == MAXSIZE - 1))
+        printf("Can't insert, the array is full \n");
+    else 
+    {
+        print("Enter an integer to be inserted into the queue: ");
+        scanf("%d", &addInt);
+        *finish = ((*finish) + 1) % MAXSIZE;
+        myQueue[*finish] = addInt; 
+    }
+    return *finish;
+}
+
+int removeFromQueue(int theQueue[MAXSIZE], int* begin, int* end)
+{
+    if ((*begin == 0) && (*end == -1))
+        printf("Cannot remove, the queue is empty\n");
+    else if (theQueue[*begin] == theQueue[*end])
+    {
+        printf("%d removed from the queue\n",theQueue[*begin]);
+        theQueue[*begin] = 0;
+        *begin = 0;
+        *end = -1;
+    } 
+    else 
+    {
+        printf("%d removed from queue\n",theQueue[*begin]);
+        theQueue[*begin] = 0;
+        *begin = ((*begin) + 1) % MAXSIZE;
+    }
+    return *begin;
+}