---
title: Eboard 38  Merge Sort
number: 38
section: eboards
held: 2018-05-02
link: true
---
CSC 151.01, Class 38:  Merge Sort
=================================

_Overview_

* Preliminaries
    * Notes and news
    * Upcoming work
    * Extra credit
    * About the exam
    * Questions
* Lab
* Debrief (?)

Preliminaries
-------------

### News / Etc.

* New partners.
* We are now done with readings for the semester.
* Friday will be time to prepare your presentations.
* I'm not sure what happened with the writeup 37 page.  It should be fixed.
  No penalty for that writeup being late.

### Upcoming work

* [Lab writeup for class 38](../writeups/writeup37): Exercise tbd.
  Our last lab writeup!
* [Flash Cards](../flashcards/flashcards13) due TONIGHT at 9pm.
    * Optional.
    * Grade is percent of eight flashcard assignments you complete 
      (capped at 100%).
* [Exam 4](../exams/exam04) distributed.
    * Prologue due Friday night.  Please don't forget.
    * Exams due Tuesday.
* Quiz Friday
    * Sorting (e.g., what the parameters mean)
    * Insertion sort
    * Perhaps a bit about selection sort

### Extra credit (Academic/Artistic)

* PBK Scholars' Convocation Thursday
* CLS Public Engagement in Science Symposium
    * “Engaging the Public in Science: Evolution in Action in the Classroom”.
       Dr. Louise Mead, Education Director of BEACON Center for the Study of Evolution in Action
       May 3, 4 p.m., JRC 101
    * “Using Human Examples to Teach Evolution: Recent Research in U. S. High School Classrooms”
      Dr. Briana Pobiner, Smithsonian’s National Museum of Natural History
      May 3, 7:30 p.m., JRC 101
    * Up Goer Five Challenge Poster Display
      May 4, 10 a.m. – 5 p.m., Bucksbaum Rotunda
    * Poster Reception
      May 4, 3 p.m., Bucksbaum Rotunda
    * “Our Journeys: From (Star Wars) Grinnell to Minute Physics & Minute Earth”
      Alex ’11 and Henry ’09 Reich
      May 4, 4 p.m., Faulconer Gallery
 
### Extra credit (Peer)

* Grinnellian this Saturday, May 5 on Commencement Stage.  No plays
  around 5pm.
* Latin-American Ensemble, Thursday at 7:30 p.m.
* Panel discussion TONIGHT at 7:30 p.m. Alt-Break trip to North Dakota.
  Discuss Native American issues.  JRC 101.

### Extra credit (Recurring peer)

* Listen to KDIC Wednesdays at 6pm - Witty banter with other 
  personalities and/or co-host.  Also Indian, Arabic, and Farsi music.  
  (Up to two units of extra credit.)
* Listen to KDIC Thursday at 7pm - Classic Rock.  (60's and 70's)
* Peer editing with SS.  Talk to SS about the details.  Make your
  English Lit more literate.

### Extra credit (Misc)

### Other good things

* Vocal recitals Friday.
* (Lots of other music stuff, too.)

### About the exam

### Questions

Can our predicate for the tree problem be `leaf?`

* No.  The questions are about the values, not the position.

For problem 3, can I assume that the files contain only text?

* Yes.

Can I assume that the suffixes are `.txt`?

* No.

Lab
---

Writeup: Exercise 5.

Debrief
-------

Note: You may want to use the code for the experiment in problem 6 on the
exam.  **Make sure to cite this lab if you do so!**