Fundamental Algorithms - Winter 13

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Winter 13
Prof. Dr. Michael Bader
Time and Place
Mon 8.30-10.00, lecture hall MI HS 3 (first lecture on Oct 21, 8.30)
Computational Science and Engineering; Biomedical Computing (elective)
repeat exam: Tue, Apr 8, 2014 (17.00, MI 02.07.023, if executed as written exam)
Semesterwochenstunden / ECTS Credits
2 SWS (2V) / 3 ECTS
TUMonline (lecture), (module description)


The course will provide an overview on the analysis of fundamental algorithms. Topics will be:

  • Fundamentals: Models of Computation, Complexity Measures
  • Sorting: Bubble-Sort, Merge-Sort, Quick-Sort, Median-Algorithms, Lower Bounds, etc.: sorting in parallel
  • Searching: Hashing, Search Tress, etc.
  • Arithmetic Problems: parallel prefix computation, parallel matrix and vector operations
  • Foundations of parallel algorithms and simple models of parallel computation
  • Algorithms on (weighted) graphs: traversals, shortest paths, etc.


  • in the slot on Dec 23, we will do a short (40min) test exam, with discussion of solutions afterwards;
    participation is entirely optional (questions and solutions will be made available towards the end of the Christmas holidays)
  • the lectures will start on Monday, Oct 21 (no lecture on Oct 14, due to semester opening)

Lecture Notes and Material

Lecture Slides

Introduction - Algorithms, Fibonacci example, Asymptotics (Oct 21, Oct 28)
Sorting - InsertSort, MergeSort, QuickSort (Oct 28, Nov 4, Nov 11)
slides (with corrected proof for InsertionSort)
Recurrences (Nov 11)
Parallel Algorithms and PRAM (Nov 18, Nov 25)
Parallel Sorting, Odd-Even MergeSort (Nov 25, Dec 2)
Searching (Dec 2, Dec 9)
AVL trees(Dec 9, Dec 16)
Hash Tables (Dec 16, Jan 13)
MidTerm Test (Dec 23)
exercises and solutions
Graphs (Jan 13, Jan 20)
slides (DF/BF traversals updated)
Weighted Graphs (Jan 20, Jan 27)
slides (Dijkstra and Prim Algorithm are excluded for the exam)
Exam (Feb 3)
Due to the exam on Feb 3, there will be no lecture on that day


O-notation, etc. (Oct 21)
worksheet and solution
Complexity and Sorting (Oct 28)
worksheet and solution
MergeSort (Nov 4)
worksheet and solution
Recurrences(Nov 11)
worksheet and solution (with slightly updated solution for Exercise 1)
PRAM - Linear Algebra and Prefix Problem (Nov 18)
worksheet and solution (slightly updated; leaves Ex. 3 for next week)
PRAM - Prefix Problem and BucketSort (Nov 25)
worksheet and solution (includes Ex. 3 from previous week)
Sequential and Binary Search (Dec 2)
worksheet and solution
AVL trees (Dec 9)
worksheet and solution
Hashing (Dec 16)
worksheet and solution
Graphs (Jan 13)
worksheet and solution
Hypergraphs and Bipartite Graphs (Jan 20)
worksheet and solution


  • a repeat exam will be offered in the first half of April
    • the exam will be written or oral (if less than 10 participants register for the repeat exam)
    • the date for a written repeat exam would be Apr 7, 18.30 (MI 02.07.023)
  • the exam review (i.e., opportunity to take a look at your graded exam) will be on Friday, Feb 28 from 10.00 in room (E.2.044, office of Prof. Bader, LRZ, Boltzmannstr. 1)
  • the exam will be on Mon, Feb 3, 2013 at 18.30 in lecture hall MW 0350 (Department of Mechanical Engineering, Boltzmannstr. 15)
  • please by at the lecture hall in time (18.15) - the exam will start precisely at 18.30 and there will be announcements before starting
  • Working time will be 90 minutes.
  • Helping material: you are allowed to use one sheet (size A4) of paper with hand-written(!) notes (on both sides) during the exam. Any further helping material (books, calculators, etc.) is forbidden!
  • Please use only blue or black ink during the exam.
  • Exam topics are all topics covered during the lectures; see, in particular, the worksheets for this course
    • Dijkstra and Prim Algorithm from Chapter 9 (Weighted Graphs) are excluded from the exam


  • Cormen, Leiserson, Rivest, Stein: Introduction to Algorithms; MIT Press
  • Berman, Paul: Algorithms: Sequential, Parallel, and Distributed; Cengage Learning Emea 2004
  • Heun: Grundlegende Algorithmen; Vieweg 2000
  • Sedgewick: Algorithms; Pearson Education
  • Shackleford, Computing and Algorithms; Addison Wesley Longman
  • Kleinberg, Tardos: Algorithm Design; Pearson Education