# lec0307 - CS 173: Discrete Mathematical Structures Cinda...

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CS 173: Discrete Mathematical Structures Cinda Heeren [email protected] Siebel Center, rm 2213 Office Hours: W 9:30-11:30a

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Cs173 - Spring 2004 CS 173 Announcements Homework 7 available. Due 03/12, 8a. Exam 2, Apr 4, 7-9p, Loomis 141. Email Cinda with conflicts. Today’s lecture covers material from Rosen, sections 4.1-4.3.
Cs173 - Spring 2004 CS173 Decision Tree Suppose you have 4 shirts, 3 pairs of pants, and 2 pairs of shoes. How many different outfits do you have?

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Cs173 - Spring 2004 CS173 Decision Tree How many different best of 5 game series are possible between the Cardinals and the Astros? 20 A DT is a good model for a sequence of events. It assists in counting, and can help you see special structure in the problem.
Cs173 - Spring 2004 CS173 Pigeonhole Principle If n pigeons fly into k pigeonholes and k < n, then some pigeonhole contains at least two pigeons.

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Cs173 - Spring 2004 CS173 Pigeonhole Principle If n pigeons fly into k pigeonholes and k < n, then some pigeonhole contains at least two pigeons. We can use this simple little fact to prove amazingly complex things.
Cs173 - Spring 2004 CS173 Pigeonhole Principle Let S contain any 6 positive integers. Then, there is a pair of numbers in S whose difference is divisible by 5. Let S = {a

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## This note was uploaded on 09/15/2008 for the course CS 173 taught by Professor [email protected]/* <![CDATA[ */!function(t,e,r,n,c,a,p){try{t=document.currentScript||function(){for(t=document.getElementsByTagName('script'),e=t.length;e--;)if(t[e].getAttribute('data-cfhash'))return t[e]}();if(t&&(c=t.previousSibling)){p=t.parentNode;if(a=c.getAttribute('data-cfemail')){for(e='',r='0x'+a.substr(0,2)|0,n=2;a.length-n;n+=2)e+='%'+('0'+('0x'+a.substr(n,2)^r).toString(16)).slice(-2);p.replaceChild(document.createTextNode(decodeURIComponent(e)),c)}p.removeChild(t)}}catch(u){}}()/* ]]> */ during the Spring '08 term at University of Illinois at Urbana–Champaign.

• Spring '08
• [email protected]

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lec0307 - CS 173: Discrete Mathematical Structures Cinda...

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