tag:blogger.com,1999:blog-4268903649676626374.post2329445395822295138..comments2010-11-05T01:50:21.690+01:00Comments on Codility: Empty sumCodilityhttp://www.blogger.com/profile/09066412611252156638noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4268903649676626374.post-51838658466789189932010-11-05T01:50:21.690+01:002010-11-05T01:50:21.690+01:00This is just an assumption "...Master Donald ...This is just an assumption "...Master Donald Knuth assumes to be equal zero..." as you wrote, and is made just to specify the meaning of that notation the author made in mind, and is valid just for the Book.<br /><br />I think that it can't be abstracted that the Sum of any empty sequence is zero and can used it as implicit rule.<br /><br />Anyway, as the boundary cases are very important to handle, please describe them more precisely, especially when somebody's destiny depends on the product you offer :)Yaroslavhttp://www.blogger.com/profile/08899429686437047320noreply@blogger.com