Queue implementation using array in C++

CPP/algorithms/queue.cpp

@@ -0,0 +1,45 @@
+/*Queue Implementation using Arrays in C++
+  created by DarkSun27*/
+
+#include <iostream>
+#define size 100
+
+using namespace std;
+
+int arr[size],front=0,rear=0;
+
+void enque(int value)
+{
+	if(rear==size)
+	{
+		cout<<"Size of queue is full";
+		return;
+	}
+	arr[rear++]=value;
+}
+
+int deque()
+{
+	if(front<rear)
+	{
+		return arr[front++];
+	}
+	cout<<"Empty Queue";
+	return -1;
+}
+
+int main(){
+	int t; //defines number of times user wants to test queue
+	cin>>t;
+	for(int i=0;i<t;i++){
+		int opt=0;
+		cin>>opt;     // 1 for enque and 2 fr deque
+		switch(opt)
+		{
+			case 1:int value;cin>>value;enque(value);break;
+			case 2:cout<<deque;break;
+			default:cout<<"Wrong Option";break;
+		}
+	}
+	return 0;
+}