Which XXX would replace the missing statement in the following algorithm? ListInsertAfter(students, curNode, newNode) { if (students-head -- null) { studentshead - newNode studentstail - newNode XXX { students-tail-next - newNode newNodeprev - studentstail students-tail - newNode else { sucNode - curNodenext newNode-next = sucNode newNodeprev - curNode curNode-next - newNode sucNodeprev - newNode

Which XXX would replace the missing statement in the following algorithm? ListInsertAfter(students, curNode, newNode) { if (students-head -- null) { studentshead - newNode studentstail - newNode XXX { students-tail-next - newNode newNodeprev - studentstail students-tail - newNode else { sucNode - curNodenext newNode-next = sucNode newNodeprev - curNode curNode-next - newNode sucNodeprev - newNode

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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# write your implementation heredef maxProfitBrute(changes): """ it returns the indices of (i,j) indicating the day to buy and sell respectively to have the maximum profit in a list of prices per day in <changes>. Inputs: - changes: the list holding the changes in prices; the value whose index is k represents the change between day <k> and day <k+1> <changes> has at least a single change [two days] Output: - i: the index of the change before which we buy - j: the index of the change after which we sell - maxProfit: the value of the maximum profit Example: changes = [1,2] - that means the price started with <x>; - day 1: it became <x+1> - day 2: it became <x+3> In that case: (i,j) = (0,1) as we should buy at the first day, and sell after the third day """ # return the values return (0,0,0)
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