ALGORITHM Insertion Sort(A[0..n − 1]) //Sorts a given array by insertion sort //Input: An array A[0..n - 1] of n orderable elements //Output: Array A[0..n - 1] sorted in nondecreasing order for i 1 to n - 1 do v ← A[i] ji-1 while j≥0 and A[j] > v do A[j+1] → A[j] j←j−1 A[j+1] → v

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
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​Compare algorithm 1 with algorithm 2.

What is the time efficiency of algorithm 2, and how is it compared to algorithm 1?

ALGORITHM InsertionSort(A[0..n − 1])
//Sorts a given array by insertion sort
//Input: An array A[0..n - 1] of n orderable elements
//Output: Array A[0..n - 1] sorted in nondecreasing order
for i 1 to n - 1 do
v ← A[i]
j←i-1
while j≥0 and A[j]> v do
A[j+1] ← A[j]
j←j−1
A[j+1] ← v
Transcribed Image Text:ALGORITHM InsertionSort(A[0..n − 1]) //Sorts a given array by insertion sort //Input: An array A[0..n - 1] of n orderable elements //Output: Array A[0..n - 1] sorted in nondecreasing order for i 1 to n - 1 do v ← A[i] j←i-1 while j≥0 and A[j]> v do A[j+1] ← A[j] j←j−1 A[j+1] ← v
Compare the text's implementation of insertion sort with the following ver-
sion.
ALGORITHM InsertSort2(A[0..n − 1])
for i 1 to n - 1 do
←
ji-1
while j≥0 and A[j]> A[j+1] do
swap(A[j], A[j +1])
j←j-1
Transcribed Image Text:Compare the text's implementation of insertion sort with the following ver- sion. ALGORITHM InsertSort2(A[0..n − 1]) for i 1 to n - 1 do ← ji-1 while j≥0 and A[j]> A[j+1] do swap(A[j], A[j +1]) j←j-1
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