here is the "exact" ranking, without grouping several participants into a single one position
<a href="http://icpc.baylor.edu/scoreboard/" rel="nofollow">http://icpc.baylor.edu/scoreboard/</a>
The problems: <a href="http://icpc.baylor.edu/download/worldfinals/problems/icpc2015.pdf" rel="nofollow">http://icpc.baylor.edu/download/worldfinals/problems/icpc201...</a><p>They solved this in 5 hours, using one computer, one calculator and no other help.<p>Does anyone know what was the team size limit?