Given two sequences A and B. Let X(A, B) denote the number of times that A appears as subsequence of B i.e. sequence ab appears 4 times as a subsequence of aebabdb. Let A; denotes the first i characters of string A and A[y denote the th character. Which of the following will computes the recurrence relation C(A, Bj )? CIA, B,) = {0: if (i = 0) if (i>0 and j= 0) AA, B); if A[i] # BU] CA, B) + CIA, 1. B,); if A[i] = BU] CA_ 1. B); if A[i] = BU) CA, B,) + CA,1. B,,); if A[i] = BU] aĄ, B, ); it A[i] = BỤ] CĄ, B) + CIA,1 B,,); if A[1] # BU] %3D %3D b. %3D %3D C. d. None of the above
Given two sequences A and B. Let X(A, B) denote the number of times that A appears as subsequence of B i.e. sequence ab appears 4 times as a subsequence of aebabdb. Let A; denotes the first i characters of string A and A[y denote the th character. Which of the following will computes the recurrence relation C(A, Bj )? CIA, B,) = {0: if (i = 0) if (i>0 and j= 0) AA, B); if A[i] # BU] CA, B) + CIA, 1. B,); if A[i] = BU] CA_ 1. B); if A[i] = BU) CA, B,) + CA,1. B,,); if A[i] = BU] aĄ, B, ); it A[i] = BỤ] CĄ, B) + CIA,1 B,,); if A[1] # BU] %3D %3D b. %3D %3D C. d. None of the above
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
Section: Chapter Questions
Problem 1PE
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