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Questions tagged [algorithms]

This tag is for questions about presenting specific algorithms or general principles of algorithmic design and analysis to students. It IS NOT for questions about writing or fixing algorithms.

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2answers
37 views

Project based on game 2048

I'm thinking about an assignment based around the game 2048. This would be towards the end of a first programming course at the university level and assumes the students have been introduced to at ...
5
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2answers
92 views

First project in my second year data structures intro

I am currently teaching the pretty much normal second year Data Structures and Algorithms course. In this course there are four programming projects, with the first project completed the automated ...
2
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1answer
67 views

How to structure a Predictive Keyboard project similar to GBoard

Many are now familiar with GBoard, the Google / Android predictive Keyboard. I don't actually know how it works. Obviously it must gather usage data on the device where it is being used, but it ...
19
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4answers
369 views

Difficulty of algorithms homework problems

I have a question for educators, from the perspective of a TA. I'm happy to post my question elsewhere if it's not appropriate for this site. Homework problems in algorithms classes often involve ...
7
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4answers
230 views

Will you tell students that Algorithms + Data Structures = Programs now(21st century)?

Algorithms + Data Structures = Programs occurs in 1976 (in Niklaus Wirth's book). In the past, we (teachers) may usually cite this equation to emphasize the importance of algorithms/data structures. ...
5
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3answers
127 views

“Computer sciency” and “practical” exercices involving dictionaries

I am teaching a course in data structures to a 2o semester. We hear often that the dictionary is a very versatile data structure, and solves quite so many problems. I'd like to illustrate that, but, ...
4
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4answers
153 views

How to avoid misconceptions about while loop when using null loop

Is it problematic to teach students to use an empty while loop to create an until loop? If so, what learning progressions avoid ...
4
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2answers
110 views

Is there any pedagogically motivated reason to teach quadratic probing?

I'm currently preparing a unit on the implementation of hash tables for a data structures and algorithms course (this is a university-level class, if it matters). Specifically, I'm focusing on ...
7
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6answers
412 views

Single-dimensional array and simple looping activities of significance

I give a lab on single-dimensional loops and arrays. By "single dimensional loops", I mean that there is no nesting of loops. (I will later give a second lab on multi-dimensional loops and arrays, ...
3
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2answers
101 views

How do I construct a basic lesson on computational complexity and undecidability?

Essential Understanding 4.2 of the AP CS Principles curriculum is as follows: "Algorithms can solve many, but not all, computational problems." Among the topics I am expected to cover in the context ...
8
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3answers
175 views

How to teach algorithms: implementation or application?

One unit of CS50 AP's curriculum focuses on three main sorting algorithms: bubble sort, selection sort, and insertion sort. There is also discussion of something more efficient like merge sort. One ...
19
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17answers
6k views

How can I help my students to think algorithmically?

I teach 13-14 year old boys an "Introduction to Computer Science" course. For most of them, it is their first structured coding experience. Before we even touch an IDE, I have them walk through ...
6
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3answers
2k views

Pseudocode or Flowcharts?

For GCSE CS in the UK, students have to analyse, design, code, test and review a solution to a problem. For the design section of their project, students have to plan out the algorithm for each part ...
9
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6answers
624 views

How to bring attention to computational complexity?

Many beginners strive to solve given problems, without thinking about efficiency of solution. Consider such Python code: ...
4
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1answer
107 views

Significant algorithm from CS for DrRacket that emphasize cons, car, and cdr

When my students move up to junior year, they make a series of transitions: from programming to theoretical computer science, and from imperative to functional programming. We use DrRacket, and one ...
5
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2answers
203 views

Introducing A* Search Algorithm

I created a group lab where one student makes a random maze generator, one student makes a corresponding maze solver, and the last student calls the methods created by both students and creates an ...
-2
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3answers
758 views

How to explain to people the importance of algorithms in computer programming?

Many computer science problems can be solved by more than one algorithm. Usually those algorithms have different problem-solving approaches and therefore different strengths and weaknesses. My ...
14
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3answers
394 views

What are effective approaches for teaching dynamic programming?

Dynamic programming is a subject that's notoriously difficult to learn and to teach. It's one thing to educate oneself, say by reading the appropriate chapters in Kleinberg & Tardos or CLRS, and ...