CS 277

Spring 2026 All Classes

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Algorithms and Data Structures for Data Science

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Credit: 4 hours.

Introduction to elementary concepts in algorithms and classical data structures with a focus on their applications in Data Science. Topics include algorithm analysis (ex: Big-O notation), elementary data structures (ex: lists, stacks, queues, trees, and graphs), basics of discrete algorithm design principles (ex: greedy, divide and conquer, dynamic programming), and discussion of discrete and continuous optimization.

Credit is not given for CS 277 if credit for CS 225 is earned. Prerequisite: STAT 207; one of MATH 220, MATH 221, MATH 234. CS 277 cannot be taken concurrently with CS 225.

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CS 277 class schedule data for spring 2026
	CRN	Type	Section	Time	Day	Location	Instructor	Section Details
	74116	Lecture-Discussion	AL1	3:30PM -4:45PM	MWF	3039 Campus Instructional Facility	Srimath Tirumala, H Viswanathan, M	Part of Term: 1 Date Range: 01/20/26-05/06/26 Section Info: This section is for X+Data Science majors and Business Undeclared students. Seats will open initially to third and fourth-year students (by year, not by credit hours) and later open to second and then first-year students. For up-to-date information about CS course restrictions, please see the following link: http://go.cs.illinois.edu/csregister Restriction(s): Restricted to Undergrad - Urbana-Champaign. Restricted to Business Undeclared or Information Sciences + DS or Astronomy + Data Science or Finance + Data Science or Accountancy + Data Science or Business + Data Science or Chemical Engr + Data Science or Molecular & Cellular Bio + DS or Materials Sci & Engr + DS or NPRE + Data Science major(s). Not intended for CS and blended CS majors students.
	74357	Lecture-Discussion	AL2	3:30PM -4:45PM	MWF	3039 Campus Instructional Facility	Srimath Tirumala, H Viswanathan, M	Part of Term: 1 Date Range: 01/20/26-05/06/26 Section Info: For up-to-date information about CS course restrictions, please see the following link: http://go.cs.illinois.edu/csregister Restriction(s): Restricted to Undergrad - Urbana-Champaign. Not intended for Information Sciences + DS or Astronomy + Data Science or Finance + Data Science or Accountancy + Data Science or Business + Data Science or Chemical Engr + Data Science or Materials Sci & Engr + DS or NPRE + Data Science major(s). Not intended for CS and blended CS majors students.