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Level 4 Diploma in Cyber Security

Sort, search and pathfinding algorithms compared by time and space

CYB404 · Algorithms and Data Structures — Week 7 of 16

CourseCYB404
Week7 of 16
SemesterII
TutorOnline in the course chat

This week’s topics

Sort, search and pathfinding algorithms compared by time and space

  1. A range of sort, search, and pathfinding algorithms
  2. Sort, search, and pathfinding algorithms in terms of their space and time complexity

What you will be able to do

  • 3.2 Describe a range of sort, search, and pathfinding algorithms.
  • 3.5 Evaluate sort, search, and pathfinding algorithms in terms of their space and time complexity.

Activity

Start with this week’s 2 videos, then: Seminar, guided reading and a short written task: describe a range of sort, search, and pathfinding algorithms.

Study materials

Videos

  • Comparing searching algorithms · Oak National Academy, Key Stage 4 (GCSE level) · for registered students
  • Bubble sort · Oak National Academy, Key Stage 4 (GCSE level) · for registered students

Further resources

  • Think Python, Appendix B: Analysis of Algorithms · PDF · Downey, Think Python 2e (Green Tea Press), Appendix B: counting steps, order of growth and comparing algorithms, pp. 201–209 · for registered students
Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.
Course chat

Admitted students ask questions on this week’s page in the student portal: an AI assistant trained on the course answers first, and during the course’s timetabled classes Connect to your tutor brings your tutor into the chat, who may start a call if needed.

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Course plan
  • Week 1: Data structures: arrays, lists, stacks, queues, sets and di…
  • Week 2: Choosing data structures, with a Python refresher
  • Week 3: Measuring complexity: Big O notation
  • Week 4: Problem classes: computability and Turing machines, P and N…
  • Week 5: Recursion and memoisation (e.g. Tower of Hanoi); the memory…
  • Week 6: Algorithmic paradigms: divide and conquer, backtracking, gr…
  • Week 7: Sort, search and pathfinding algorithms compared by time an…
  • Midterm: Midterm evaluation
  • Week 9: Writing pseudocode as a universal template for algorithms
  • Week 10: Checking algorithms are correct: tracing, testing and timing
  • Week 11: Debugging and testing implementations; review and practice …
  • Week 12: Applying Algorithms and Data Structures in practice: case s…
  • Week 13: Assignment workshop: research, planning and referencing
  • Week 14: Assignment workshop: drafting, feedback and improvement
  • Week 15: Review and coursework completion
  • Final: Final assessment and submission
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