By James R. Bitner, Edward M. Reingold
Communications of the ACM,
November 1975,
Vol. 18 No. 11, Pages 651-656
10.1145/361219.361224
Comments
The purpose of this paper is twofold. First, a brief exposition of the general backtrack technique and its history is given. Second, it is shown how the use of macros can considerably shorten the computation time in many cases. In particular, this technique has allowed the solution of two previously open combinatorial problems, the computation of new terms in a well-known series, and the substantial reduction in computation time for the solution to another combinatorial problem.
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