Create Stack_as_array.c

Author: Ishita15112001

Stack_as_array.c

@@ -0,0 +1,75 @@
+#include<stdio.h>
+int stack[15];
+int top=-1;
+void creation(int item)
+{
+	top=top+1;
+	stack[top]=item;
+}
+void display()
+{
+	int i;
+	for(i=top;i>=0;i--)
+	{
+		printf("%d\n",stack[i]);
+	}
+}
+void push()
+{
+	int a;
+	printf("Enter new element : ");
+	scanf("%d",&a);
+	if(top==14)
+	{
+		printf("Overflow");
+	}
+	else
+	{
+		top=top+1;
+		stack[top]=a;
+		
+	}
+}
+void pop()
+{
+	int old;
+	stack[top]=old;
+	top=top-1;
+	printf("Deleted element= %d",old);
+}
+int main()
+{
+	int item,i,n,selection;
+	label:
+		printf("Enter 1 to create");
+		printf("\nEnter 2 to display");
+		printf("\nEnter 3 to insert an element");
+		printf("\nEnter 4 to delete an element");
+		printf("\nyour selection");
+		scanf("%d",&selection);
+		if(selection==1)
+		{
+			printf("Enter elements\n");
+			for(i=0;i<5;i++)
+			{
+				scanf("%d",&item);
+				creation(item);
+			}
+			goto label;
+		}
+		if(selection==2)
+		{
+			display();
+			goto label;
+		}
+		if(selection==3)
+		{
+			push();
+			goto label;
+		}
+		if(selection==4)
+		{
+			pop();
+			goto label;
+		}
+}