CSE 373 : Analysis of Algorithms

Course Website : http://www3.cs.stonybrook.edu/~skiena/373/

Course Textbook : The_Algorithms_Design_Manual_(Second_Edition)

Video Lectures : http://www3.cs.stonybrook.edu/~algorith/video-lectures/

i=1Σn n = n(n+1)/2

i=1Σn-1 n = n(n-1)/2