COJ Forum

In Java when you use Arrays.sort() you are sorting with Quick Sort and when you use
Collections.sor() you are using Merge Sort so take out your own conclusions.

First of all everybody knows that c, c++ and Java are the ACM language used at competition and everybody knows that there are still more users coding at c++ than java but in the last years the java coders are increasing fastly because of the posibilities that the language offers. The COJ has become ...

To previse accepted solutions in c++ using bad algorithms you lets java solutions a factor for time increasing, what happends that you suspend it. For the advantage of java over c++ of course that is not a solution that the java coders go to c++ that is completly agains the develoment of the Compute...

I'm trying to send a clarification for the problem H-Semiprime Numbers and when i send it there is "an internal error", i have tried several times reloading the page again and login in again but it still happens. Please check this fast because the contest is about to finish.