hello , Sorry for what happened last time . <br>↵
I want to invite you to the IOI Training Contest #3 , this time the problems are from [CEOI 2010](http://ceoi2010.ics.upjs.sk/) (Central European olympiad in Informatics) , it will be help in [Apr/27/2016 on 18 MSK](http://www.timeanddate.com/worldclock/fixedtime.html?msg=IOI+training+contest+%233+%28CEOI+Contest%29&iso=20160427T18&p1=166) . <br>↵
you should download the statements before the contest from this link : [http://ceoi2010.ics.upjs.sk/Contest/Tasks](http://ceoi2010.ics.upjs.sk/Contest/Tasks) the problems are <s>Alliances(day1)</s> **PIN(day2)** — Bodyguards(day1) — A Huge Tower(day2) . <br>↵
the contest duration is 5 hours , the contest's link is : [https://www.hackerrank.com/ioi-training-contest-3-ceoi-contest](https://www.hackerrank.com/ioi-training-contest-3-ceoi-contest) . <br>↵
if anyone has one of this contests please send me a message : <br>↵
japanese oi 2010 , 2011 , 2012 , 2013 , 2014 . <br>↵
apio 2014 , 2013 , 2012 , 2011 , 2010 , 2009 , 2008 . <br>↵
Chinese oi 2016 2015 2014 2013 2012 2011 2010 . <br> ↵
good luck & happy coding .↵
contact me if you found any problem .↵
**UPD:** sorry but I will change the tasks again because there is some problems have multiple solutions , the tasks are : <br>↵
[Harbingers CEOI 2009](http://www.ceoi2009.ro/tasks/harbingers.pdf) <br>↵
 <br>↵
[bodyguards CEOI 2010](http://people.ksp.sk/~misof/ceoi2010/bod-eng.pdf) <br>
I want to invite you to the IOI Training Contest #3 , this time the problems are from [CEOI 2010](http://ceoi2010.ics.upjs.sk/) (Central European olympiad in Informatics) , it will be help in [Apr/27/2016 on 18 MSK](http://www.timeanddate.com/worldclock/fixedtime.html?msg=IOI+training+contest+%233+%28CEOI+Contest%29&iso=20160427T18&p1=166) . <br>↵
you should download the statements before the contest from this link : [http://ceoi2010.ics.upjs.sk/Contest/Tasks](http://ceoi2010.ics.upjs.sk/Contest/Tasks) the problems are <s>Alliances(day1)</s> **PIN(day2)** — Bodyguards(day1) — A Huge Tower(day2) . <br>↵
the contest duration is 5 hours , the contest's link is : [https://www.hackerrank.com/ioi-training-contest-3-ceoi-contest](https://www.hackerrank.com/ioi-training-contest-3-ceoi-contest) . <br>↵
if anyone has one of this contests please send me a message : <br>↵
japanese oi 2010 , 2011 , 2012 , 2013 , 2014 . <br>↵
apio 2014 , 2013 , 2012 , 2011 , 2010 , 2009 , 2008 . <br>↵
Chinese oi 2016 2015 2014 2013 2012 2011 2010 . <br> ↵
good luck & happy coding .↵
contact me if you found any problem .↵
**UPD:** sorry but I will change the tasks again because there is some problems have multiple solutions , the tasks are : <br>↵
[Harbingers CEOI 2009](http://www.ceoi2009.ro/tasks/harbingers.pdf) <br>↵
 <br>↵
[bodyguards CEOI 2010](http://people.ksp.sk/~misof/ceoi2010/bod-eng.pdf) <br>
