I guess you can do it using recursion(if allowed). Insert is any way
straight forward(just by pushing onto the stack) but for removal you can do
something like.
remove()
{
topVal = stack.pop();
if(stack.isEmpty())
{
//this is the only element
return topVal
}
// get the last element by recursive call.
retVal = remove();
//push the before one onto the stack back
stack.push(topVal);
return retVal;
}
-Pravin
On Mon, Feb 8, 2010 at 1:49 PM, atul verma <atul.ii...@gmail.com> wrote:
> I dont think its possible to implement a queue using a single stack.
>
> Atul
>
>
> On Mon, Feb 8, 2010 at 7:48 AM, MOHIT .... <mohit...@gmail.com> wrote:
>
>> but question is how to implement using one stack not two S1 and S2
>>
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