Sample input/outputs: * test1([3, 5, 7, 4, 1, 8, 0, 6, 2)] --> True * test1([3, 5, 7, 4, 1, 8, 6, 0, 2]) --> False * test1([3, 1, 0, 3, 01) * test1([]) --> False --> True
Sample input/outputs: * test1([3, 5, 7, 4, 1, 8, 0, 6, 2)] --> True * test1([3, 5, 7, 4, 1, 8, 6, 0, 2]) --> False * test1([3, 1, 0, 3, 01) * test1([]) --> False --> True
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
Related questions
Question
Code in Python.
![def test1(arr):
Return true if-and-only-if the sequence arr[0], * arr[arr[0]],
arr[arr[arr[0]]], ... reaches 0 * after traversing all entries in
arr.
Sample input/outputs:
* test1([3, 5, 7, 4, 1, 8, 0, 6, 2)]
* test1( [3, 5, 7, 4, 1, 8, 6, 0, 2])
* test1( [3, 1, 0, 3, 0])
* test1( [])
--> True
--> False
--> False
--> True
pass](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcfa33f99-0a88-4c27-bdb9-7417e58c2439%2Fcce9667d-ffc8-4fa7-b956-8f4f198055b3%2Fq76qmik_processed.png&w=3840&q=75)
Transcribed Image Text:def test1(arr):
Return true if-and-only-if the sequence arr[0], * arr[arr[0]],
arr[arr[arr[0]]], ... reaches 0 * after traversing all entries in
arr.
Sample input/outputs:
* test1([3, 5, 7, 4, 1, 8, 0, 6, 2)]
* test1( [3, 5, 7, 4, 1, 8, 6, 0, 2])
* test1( [3, 1, 0, 3, 0])
* test1( [])
--> True
--> False
--> False
--> True
pass
![def test2(arr, k):
Return True if-and-only-if the entries in arr are sorted sloppily
"up to k", that is, every entry precedes at most k smaller values
and follows at most k larger values.
Sample input/outputs:
* test2( [3, 2, 1, 0, 4, 8, 7, 6, 5],
* test2( [3, 2, 1, 0, 4, 8, 7, 6, 5], 2)
* test2( [0, 1, 2, 3, 4, 5, 6, 7, 8], 1)
3)
--> True
--> False
--> True
* test2([], 3)
--> True
pass](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcfa33f99-0a88-4c27-bdb9-7417e58c2439%2Fcce9667d-ffc8-4fa7-b956-8f4f198055b3%2Fvcffk5f_processed.png&w=3840&q=75)
Transcribed Image Text:def test2(arr, k):
Return True if-and-only-if the entries in arr are sorted sloppily
"up to k", that is, every entry precedes at most k smaller values
and follows at most k larger values.
Sample input/outputs:
* test2( [3, 2, 1, 0, 4, 8, 7, 6, 5],
* test2( [3, 2, 1, 0, 4, 8, 7, 6, 5], 2)
* test2( [0, 1, 2, 3, 4, 5, 6, 7, 8], 1)
3)
--> True
--> False
--> True
* test2([], 3)
--> True
pass
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