Given two strings A[1..n] and B[1..m], such that n >= m, propose an al- gorithm to find the number of distinct subsequences that can be formed from A such that they are identical to B. = caaat and B = cat, then the answer is 3, since the For example, let A subsequences ca.t, cat, and cat are identical to B.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Given two strings A[1...n] and B[1..m], such that n >= m, propose an al-
gorithm to find the number of distinct subsequences that can be formed from
A such that they are identical to B.
= caaat and B = cat, then the answer is 3, since the
For example, let A
subsequences ca.t, c_a_t, and cat are identical to B.
Transcribed Image Text:Given two strings A[1...n] and B[1..m], such that n >= m, propose an al- gorithm to find the number of distinct subsequences that can be formed from A such that they are identical to B. = caaat and B = cat, then the answer is 3, since the For example, let A subsequences ca.t, c_a_t, and cat are identical to B.
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