Thread: count how many time the value appear in the link list -- HELP

I mean count should be set to 1 not 0 at the beggining - this will fix your output to
IP address count
034.056.078.012 1
100.001.004.031 2
111.022.033.004 3
192.149.089.061 5

I suppose the 192.149.089.061 was the first ip entered.
look at my comment about missing else - this will fix 5 to 4

do you mean in the default constructor??

I mean here:

Code:

void IPlist::insertInOrder(string address)
// precondition : list is ordered and address is not in list
// postcondition : list is ordered and contains address
{
    node *tmp = new node;
    tmp->IPaddress = address;
    tmp->count=1;...

>>yes the overall output is correct but the last ip address suppose to be 4//...
i mean count 4 instead of 5

This type of problem frequently occurs because of the wrong condition used in a loop to read in the file. If you have something like this:

while(! ifstreamName.eof())

instead of something like

while (ifstreamName >> variableName)

or this

while(ifstreamName.getline())

then you get the innappropriate result because the last item from the file can behave as if it were being read in twice. Posting the code that uses a loop to read the file would be helpful if this post doesn't help you check it on your own.