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Computers and Technology, 26.03.2021 05:30 kjn29
Exercise 9.5.1: Counting strings over {a, b, c}. About Count the number of strings of length 9 over the alphabet {a, b, c} subject to each of the following restrictions. (a) The first or the last character is a. (b) The string contains at least 8 consecutive a's. (c) The string contains at least 8 consecutive identical characters. (d) The first character is the same as the last character, or the last character is a, or the first character is a.
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Exercise 9.5.1: Counting strings over {a, b, c}. About Count the number of strings of length 9 over...
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