Question: #2 Constructing and extracting the solution for Longest Path (10 pts) In the following you use the posted solution to LongestPathValueMemoized from class last week.

#2 Constructing and extracting the solution for Longest Path (10 pts) In the following you use the posted solution to LongestPathValueMemoized from class last week. (a) (3 pts) Rewrite LongestPathValueMemoized to LongestPathMemoized that takes an additional parameter next[1. .IVI1, and records the next vertex in the path from any given vertex u in next [u]. Assume that all entries of next are initialized to 1 by the caller. (b) (3 pts) Once that is done, write a procedure that recovers (e.g., prints) the path from s to t by tracing through next. (c) (2 pts) What is the asymptotic runtime of your total solution to the Longest Path problem in terms of IVI and |El? Include all steps (initializing arrays, LongestPathMemoized, and printing the solution). Hint: Count in aggregate across all calls rather than trying to figure out how many times the loop runs on a given Adij[u]. (d) (2 pts) What is the asymptotic use of space of your solution in terms of IVI and IEl? #2 Constructing and extracting the solution for Longest Path (10 pts) In the following you use the posted solution to LongestPathValueMemoized from class last week. (a) (3 pts) Rewrite LongestPathValueMemoized to LongestPathMemoized that takes an additional parameter next[1. .IVI1, and records the next vertex in the path from any given vertex u in next [u]. Assume that all entries of next are initialized to 1 by the caller. (b) (3 pts) Once that is done, write a procedure that recovers (e.g., prints) the path from s to t by tracing through next. (c) (2 pts) What is the asymptotic runtime of your total solution to the Longest Path problem in terms of IVI and |El? Include all steps (initializing arrays, LongestPathMemoized, and printing the solution). Hint: Count in aggregate across all calls rather than trying to figure out how many times the loop runs on a given Adij[u]. (d) (2 pts) What is the asymptotic use of space of your solution in terms of IVI and IEl
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
