TAOCP 7.2.2.1 Exercise 79
The statement of the exercise refers to equation (48), but equation (48) is not included in the supplied Section 7.
Section 7.2.2.1: Dancing Links
Exercise 79. [M20] [M20] How many options are in (48), when they are completely listed?
Verified: no
Solve time: 2m55s
Solution
The statement of the exercise refers to equation (48), but equation (48) is not included in the supplied Section 7.2.2.1 excerpt. The number of options depends entirely on the exact definition of the option set in (48), so the answer cannot be derived from the information currently available.
Please provide the text of equation (48), including any definitions immediately preceding or following it, and I will give the complete worked solution.