Discussion @ 1204. Idempotents @ Timus Online Judge

Online Judge	Problems	Authors	Online contests
About Online Judge Frequently asked questions Site news Webboard Links	Problem set Submit solution Judge status Guide	Register Update your info Authors ranklist	Current contest Scheduled contests Past contests Rules

back to board

Discussion of Problem 1204. Idempotents

problem understanding

Posted by Hanzbrow (TNU) KCC 21 Feb 2009 10:37

I'm really anxious about it.
I do not really understand problem...
What means x*x = x (mod n). What theese brackets mean?

Example:
6 0 1 3 4
4*4=4%6????
16=4?????????????????????????????

please, help me.
Thanks anyway.

Re: problem understanding

Posted by ural_majunwen 4 Aug 2009 13:12

x*x = x (mod n) means x*x mod n = x