Ex1 should be returned tomorrow by 14:00 to the usual room where exercises are returned (Schreiber 1st floor).
Please make sure you look at the comments you received before you start exercise 3.
Many people did not prove the correctness of the algorithms they gave. Please make sure to always prove the correctness of algorithms.
The grades will also be published tomorrow. Please make sure your grade in the file matches the grade on your homework.