Mathematics, 22.07.2020 22:01 gisset9
Let x be a string of length n, and let y be a string of length n β k, for 1 β€ k < n. We wish to line up the symbols in x with the symbols in y by adding k blanks to y. Suppose that we add two separate blocks of blanks, one of size i and one of size k β i, for 1 β€ i < k. How many ways are there to do this?
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Let x be a string of length n, and let y be a string of length n β k, for 1 β€ k < n. We wish to l...
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