EX.S. Write a a pseudo-code for the algorithm given a directed graph without circles G=(V,E) and vertex veV, returns foc each vertex VE V i (1) the length of the longest trajectory between s and V in G. (2) the previous of v in the longest trajectory between S. and v in G. The algorithm must run in time o IVI+IEI). EXplain in detail in words how the algorithm warks, briefly explain its correctness (no formal proof is needed) and analyze its runtime.

EX.S. Write a a pseudo-code for the algorithm given a directed graph without circles G=(V,E) and vertex veV, returns foc each vertex VE V i (1) the length of the longest trajectory between s and V in G. (2) the previous of v in the longest trajectory between S. and v in G. The algorithm must run in time o IVI+IEI). EXplain in detail in words how the algorithm warks, briefly explain its correctness (no formal proof is needed) and analyze its runtime.

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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Question

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EX.S.
Write a pseudo-code for the algorithm given a
directed graph without cireles G=(V, E) and
vertex veV, returns foc each vertex vE V i
(1) the length of the longest trajectory between s and
Vin G.
(2) the previous of v in the longest trajectory between s.
and v in G.
The algorithm must run in time o IVI+IE).
EXplain in detail in words how the algorithm works,
briefly explain its correctness (no formal proof is needed)
and analyze its runtime.

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