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# hw2 - CS 473 Homework 2(due February 9 2010 Spring 2010 CS...

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CS 473 Homework 2 (due February 9, 2010) Spring 2010 CS 473: Undergraduate Algorithms, Spring 2010 Homework 2 Written solutions due Tuesday, February 9, 2010 at noon Roughly 1 / 3 of the students will give oral presentations of their solutions to the TAs. You should have received an email telling you whether you are expected to present this homework. Please see the course web page for further details. Groups of up to three students may submit a common solution. Please clearly write every group member’s name and NetID on every page of your submission. Please start your solution to each numbered problem on a new sheet of paper. Please don’t staple solutions for different problems together. 1. A palindrome is a string that reads the same forwards and backwards, like x , pop , noon , redivider , or "sator arepo tenet opera rotas" , Describe and analyze an algorithm to find the length of the longest subsequence of a given string that is also a palindrome. For example, the longest palin- drome subsequence of M A H D Y NA M ICP RO G R AMZLET M ESHOW Y OUT H E M is MHYMRORMYHM , so given that string as input, your algorithm should output the number 11.

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hw2 - CS 473 Homework 2(due February 9 2010 Spring 2010 CS...

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