Columbia University Practice Contest

ACM Contest Page


[ Contest Page | Scoreboard | Submissions | Clarifications | Help | Log In ]


Contest of Sunday, October 29, 2017
12:15 to 17:15 EDT

NCNA 2014
Problem A - The Binary Search Efficiency Doubter
Problem B - Perorder Traversals
Problem C - Rank Order
Problem D - Server
Problem E - Aquarium Tank
Problem F - Restaurant Ratings
Problem G - Locked Treasure
Problem H - Continued Fractions
Problem I - Anagram Pyramids

For questions, comments, and issues,
please contact your host today at

chengyu at cs dot columbia period edu

Current date and time:
Tue, 16 Aug 2022 18:31:05 -0400


Ultra Cool Programming Contest Control Centre v1.8
Copyright (c) 2005-2010 by Sonny Chan