C. Credits for Exercises

The exercises in this book have been drawn from many sources. The authors have tried to trace the origins of all the problems that have been published before, except in cases where the exercise is so elementary that its inventor would probably not think anything was being invented.

Many of the exercises come from examinations in Stanford’s Concrete Mathematics classes. The teaching assistants and instructors often devised new problems for those exams, so it is appropriate to list their names here:

Year Instructor Teaching Assistant(s)
1970 Don Knuth Vaughan Pratt
1971 Don Knuth Leo Guibas
1973 Don Knuth Henson Graves, Louis Jouaillec
1974 Don Knuth Scot Drysdale, Tom Porter
1975 Don Knuth Mark Brown, ...

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