I was quite wondered how 16 people of the same institution could think of the same solution which was good enough for a 14th position . Admins night want to have a look at this .
http://www.codechef.com/viewsolution/2049595
http://www.codechef.com/viewsolution/2054020
http://www.codechef.com/viewsolution/2048042
http://www.codechef.com/viewsolution/2054180
http://www.codechef.com/viewsolution/2053651
http://www.codechef.com/viewsolution/2053932
http://www.codechef.com/viewsolution/2053478
http://www.codechef.com/viewsolution/2054017
http://www.codechef.com/viewsolution/2047940
http://www.codechef.com/viewsolution/2053614
http://www.codechef.com/viewsolution/2053628
http://www.codechef.com/viewsolution/2052967
http://www.codechef.com/viewsolution/2047916
http://www.codechef.com/viewsolution/2053956