1. The big-O complexity of a nested array is 2. The best-case complexity of binary search is a. 0 (n²) b. 0 (log n) c. O(n) d. 0 (1) 3. The polynomial big-O complexity is mathematically represented by 4. The worst-case complexity of linear search is 5. In changing money, greedy choice is not always optimal. True / False 6. To estimate the time when a professor enters the classroom can be done using the order notation 7. The limiting behavior of a function when the argument tends towards infinity is called 8. The problem with recursive change algorithm is that

1. The big-O complexity of a nested array is 2. The best-case complexity of binary search is a. 0 (n²) b. 0 (log n) c. O(n) d. 0 (1) 3. The polynomial big-O complexity is mathematically represented by 4. The worst-case complexity of linear search is 5. In changing money, greedy choice is not always optimal. True / False 6. To estimate the time when a professor enters the classroom can be done using the order notation 7. The limiting behavior of a function when the argument tends towards infinity is called 8. The problem with recursive change algorithm is that

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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ɪɴ ᴊᴀᴠᴀ ᴡʜᴀᴛ ɪꜱ ɴᴇᴇᴅᴇᴅ ɪꜱ ᴀ ᴘʀᴏɢʀᴀᴍ ᴡʜɪᴄʜ ᴛᴀᴋᴇꜱ ᴀꜱ ɪɴᴘᴜᴛᴛᴡᴏ ꜱᴏʀᴛᴇᴅ ᴀʀʀᴀУꜱ ᴀɴᴅ ʀᴇᴛᴜʀɴꜱ ᴀ ɴᴇᴡ ᴀʀʀᴀУ ᴄᴏɴᴛᴀɪɴɪɴɢ ᴛʜᴇ ᴇʟᴇᴍᴇɴᴛꜱ ꜰᴏᴜɴᴅ ɪɴʙᴏᴛʜ ᴛʜᴇ ꜱᴏʀᴛᴇᴅ ᴀʀʀᴀУꜱ. ɪᴛ ɪꜱ ᴀʟʀɪɢʜᴛ ɪꜰ ᴛʜᴇ ɪɴᴘᴜᴛ ᴀʀʀᴀУꜱ ʜᴀᴠᴇ ᴅᴜᴘʟɪᴄᴀᴛᴇꜱ ʙᴜᴛ ᴛʜᴇʀᴇᴛᴜʀɴᴇᴅ ᴀʀʀᴀУ ꜱʜᴏᴜʟᴅ ʙᴇ ᴅᴜᴘʟɪᴄᴀᴛᴇ ꜰʀᴇᴇ ! ʙᴇʟᴏᴡ ɪꜱ ʜᴏᴡ ᴛʜᴇ ᴀʀʀᴀУꜱ ᴀʀᴇ ʀᴇᴘʀᴇꜱᴇɴᴛᴇᴅᴀʀʀᴀУ1[] = [1, 5, 6, 6, 9, 9, 9, 11, 11, 21]ʜᴇʀᴇ ʟᴇɴɢᴛʜ ᴏꜰ ᴀʀʀᴀУ1 ɪꜱ ᴍ. ᴀʀʀᴀУ2[] = [6, 6, 9, 11, 21, 21, 21]ʜᴇʀᴇ ʟᴇɴɢᴛʜ ᴏꜰ ᴀʀʀᴀУ2 ɪꜱ ɴ. ᴀʀʀᴀУ ᴛᴏ ʙᴇ ʀᴇᴛᴜʀɴᴇᴅ ᴡᴏᴜʟᴅ ʙᴇ:ᴀʀʀᴀУ[] = [6, 9, 11, 21] ( ᴅᴏ ɴᴏᴛ ᴜꜱᴇ ʟɪʙʀᴀʀУ ꜰᴜɴᴄᴛɪᴏɴꜱ ᴛᴏ ᴅᴏ ᴀɴУ ᴏꜰᴛʜᴇ ᴛᴀꜱᴋꜱ ʀᴇQᴜɪʀᴇᴅ ᴀʙᴏᴠᴇ) ᴡʜᴀᴛ ɪꜱ ᴛᴏ ʙᴇ ɪᴍᴘʟᴇᴍᴇɴᴛᴇᴅ ɪꜱ ᴀ ꜰᴜɴᴄᴛɪᴏɴ ɪɴ ꜱᴜᴄʜ ᴀ ᴡᴀУ ᴛʜᴀᴛ ᴛʜᴇ ꜱᴏʟᴜᴛɪᴏɴ ꜱᴏʟᴠᴇꜱᴛʜᴇ ᴘʀᴏʙʟᴇᴍ ᴡɪᴛʜ ᴏ(ᴍɴ) ᴛɪᴍᴇ ᴄᴏᴍᴘʟᴇxɪᴛУ. ᴏ(ᴍɴ) ɪꜱ ꜱᴀᴍᴇ ᴀꜱ ᴏ(ᴍ ∗ ɴ). Тʜɪꜱ ʙʀᴜᴛᴇ-ꜰᴏʀᴄᴇ ᴍᴇᴛʜᴏᴅ ꜱᴜɢɢᴇꜱᴛᴇᴅ ʜᴀꜱ ᴀ ɴᴀᴍᴇ ᴄᴀʟʟᴇᴅ ”ʟᴏᴏᴘ-ᴊᴏɪɴ” ᴡʜᴇʀᴇУᴏᴜ ʙᴀꜱɪᴄᴀʟʟУ ᴊᴜꜱᴛ ᴛʀᴀᴠᴇʀꜱᴇ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ᴇʟᴇᴍᴇɴᴛꜱ ᴏꜰ ᴏɴᴇ ᴀʀʀᴀУ ᴄᴏᴍᴘᴀʀɪɴɢɪᴛ ᴛᴏ ᴛʜᴇ ᴇʟᴇᴍᴇɴᴛꜱ ᴏꜰ ᴛʜᴇ ᴏᴛʜᴇʀ ᴀʀʀᴀУ ᴀꜱ ᴀ ᴄᴏᴍᴍᴇɴᴛ ɪɴ ᴛʜᴇ ᴄᴏᴅᴇ, ᴘʟᴇᴀꜱᴇ ᴡʀɪᴛᴇ ᴛʜᴇ ᴛᴇꜱᴛ-ᴄᴀꜱᴇꜱ ᴏɴ ʜᴏᴡ ᴏɴᴇ ᴡᴏᴜʟᴅᴛᴇꜱᴛ ᴛʜᴇ ꜱᴏʟᴜᴛɪᴏɴ ᴀꜱꜱᴜᴍᴘᴛɪᴏɴꜱ ᴀɴᴅ ʜᴇɴᴄᴇ ᴛʜᴇ ᴄᴏᴅᴇ.…
B. The following triangle strip Sı={0, 1, 2, 3, 7, 1, 5, 4, 7, 6, 2, 4, 0, 1} is decoded as a set of 12 triangles: {012, 123, 237, 371, 715, 154, 547, 476, 762, 624, 240, 401}, which are supposed to represent a cube as shown in the figure below, but there is a problem. 1. What is the problem? 2. Fix the problem by replacing the set of 12 triangles above with a different set that make the surface correctly oriented. AV 6. 2, 3 5
(9x^(2)+3x^(3)-14)-:(x^(2)+x-3) ite your answer in the following form: Quotient Please give proper explanation and typed answer only.
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ʙᴇʟᴏᴡ ɪꜱ ʜᴏᴡ ᴛʜᴇ ꜰɪʟᴇɴᴀᴍᴇꜱ ᴀʀᴇ ʀᴇᴘʀᴇꜱᴇɴᴛᴇᴅᴀʀʀᴀʏ[] = [50, 11, 33, 21, 40, 50, 40, 40, 21]ʙᴇʟᴏᴡ ɪꜱ ᴛʜᴇ ᴇxᴘᴇᴄᴛᴇᴅ ᴏᴜᴛᴘᴜᴛ ᴀꜰᴛᴇʀ ᴅᴇ-ᴅᴜᴘʟɪᴄᴀᴛɪᴏɴᴀʀʀᴀʏ[] = [11, 21, 33, 40, 50] ʏᴏᴜ ᴄᴀɴɴᴏᴛ ᴜꜱᴇ ʟɪʙʀᴀʀʏ ꜰᴜɴᴄᴛɪᴏɴꜱ ᴛᴏ ᴇɪᴛʜᴇʀꜱᴏʀᴛ ᴀɴᴅ ᴏʀ ᴘᴇʀꜰᴏʀᴍ ᴛʜᴇ ᴅᴇ-ᴅᴜᴘʟɪᴄᴀᴛɪᴏɴ ᴏᴘᴇʀᴀᴛɪᴏɴ. ɪɴ ᴊᴀᴠᴀ ɪᴍᴘʟᴇᴍᴇɴᴛ ᴛʜᴇ ꜰᴜɴᴄᴛɪᴏɴ ɪɴ ꜱᴜᴄʜ ᴀ ᴡᴀʏ ᴛʜᴀᴛ ʏᴏᴜʀ ꜱᴏʟᴜᴛɪᴏɴ ꜱᴏʟᴠᴇꜱᴛʜᴇ ᴘʀᴏʙʟᴇᴍ ᴡɪᴛʜ ᴏ(ɴ ʟᴏɢ2(ɴ)) ᴛɪᴍᴇ ᴄᴏᴍᴘʟᴇxɪᴛʏ ᴏᴠᴇʀᴀʟʟ ʙᴜᴛ ꜱᴛᴀʏꜱ ᴡɪᴛʜɪɴ ᴛʜᴇ ʙᴏᴜɴᴅꜱ ᴏꜰ ᴏ(1) ꜱᴘᴀᴄᴇ ᴄᴏᴍᴘʟᴇxɪᴛʏ. ʜᴇʀᴇ, ɴ ɪꜱ ᴛʜᴇ ʟᴇɴɢᴛʜ ᴏꜰ ᴛʜᴇ ʟɪꜱᴛ ᴏꜰɪɴᴘᴜᴛ ɪɴᴛᴇɢᴇʀꜱ (ᴀʀʀᴀʏ). ɪ ʙᴇʟɪᴇᴠᴇ ᴛʜᴇ ꜱᴏʀᴛɪɴɢ ʀᴏᴜᴛɪɴᴇ ᴛʜᴀᴛ ᴄᴀɴ ʙᴇ ᴜꜱᴇᴅ ʜᴇʀᴇ ɪꜱ Qᴜɪᴄᴋ ꜱᴏʀᴛ. ᴘʟᴇᴀꜱᴇ ꜱᴛᴀᴛᴇ ᴀꜱ ᴄᴏᴅᴇ ᴄᴏᴍᴍᴇɴᴛ ᴡʜɪᴄʜ ꜱᴏʀᴛɪɴɢ ʀᴏᴜᴛɪɴᴇ ʏᴏᴜ ᴀʀᴇ ᴜꜱɪɴɢ, ꜱᴏʀᴛ ᴛʜᴇ ᴀʀʀᴀʏ ᴡɪᴛʜ ᴛʜᴀᴛ ᴀʟɢᴏʀɪᴛʜᴍ ᴀɴᴅ ꜱᴏʟᴠᴇ ᴛʜᴇ ᴅᴇ-ᴅᴜᴘʟɪᴄᴀᴛɪᴏɴ ᴘʀᴏʙʟᴇᴍ ᴛʜᴇʀᴇᴀꜰᴛᴇʀ. ᴅᴇ-ᴅᴜᴘʟɪᴄᴀᴛɪᴏɴ ᴘᴀʀᴛ ᴏꜰ ᴛʜᴇ ꜱᴏʟᴜᴛɪᴏɴ ɪɴ ɪᴛꜱᴇʟꜰ ᴍᴜꜱᴛ ᴀᴅʜᴇʀᴇ ᴛᴏ ᴏ(ɴ) ᴛɪᴍᴇ ᴀɴᴅ ᴏ(1) ꜱᴘᴀᴄᴇ ʙᴏᴜɴᴅꜱ ᴄᴏᴍᴍᴇɴᴛ ᴇᴠᴇʀʏ ʟɪɴᴇ ᴏꜰ ᴄᴏᴅᴇᴘʟᴇᴀꜱᴇ ᴡʀɪᴛᴇ ᴛᴇꜱᴛ-ᴄᴀꜱᴇꜱ ᴏɴ ʜᴏᴡ ᴏɴᴇ ᴡᴏᴜʟᴅᴛᴇꜱᴛ ᴛʜᴇ ꜱᴏʟᴜᴛɪᴏɴ ᴀꜱꜱᴜᴍᴘᴛɪᴏɴꜱ ᴀɴᴅ ʜᴇɴᴄᴇ ᴛʜᴇ ᴄᴏᴅᴇ ᴇxᴀᴍᴘʟᴇ ᴏꜰ ᴄᴀꜱᴇꜱ ᴛᴏ ʙᴇ ᴛᴇꜱᴛᴇᴅ ꜰᴏʀ ᴀʀᴇ ʟɪᴋᴇ : ᴡʜᴀᴛ ɪꜰ ᴛʜᴇ ᴀʀʀᴀʏ ɪɴᴘᴜᴛ ᴡʜɪᴄʜɪꜱ…
Let A = |2153|. If A-1 = |abcd|, then a + b + c + d =
ʙᴇʟᴏᴡ ɪꜱ ʜᴏᴡ ᴛʜᴇ ꜰɪʟᴇɴᴀᴍᴇꜱ ᴀʀᴇ ʀᴇᴘʀᴇꜱᴇɴᴛᴇᴅᴀʀʀᴀʏ[] = [50, 11, 33, 21, 40, 50, 40, 40, 21]ʙᴇʟᴏᴡ ɪꜱ ᴛʜᴇ ᴇxᴘᴇᴄᴛᴇᴅ ᴏᴜᴛᴘᴜᴛ ᴀꜰᴛᴇʀ ᴅᴇ-ᴅᴜᴘʟɪᴄᴀᴛɪᴏɴᴀʀʀᴀʏ[] = [11, 21, 33, 40, 50] ʏᴏᴜ ᴄᴀɴɴᴏᴛ ᴜꜱᴇ ʟɪʙʀᴀʀʏ ꜰᴜɴᴄᴛɪᴏɴꜱ ᴛᴏ ᴇɪᴛʜᴇʀꜱᴏʀᴛ ᴀɴᴅ ᴏʀ ᴘᴇʀꜰᴏʀᴍ ᴛʜᴇ ᴅᴇ-ᴅᴜᴘʟɪᴄᴀᴛɪᴏɴ ᴏᴘᴇʀᴀᴛɪᴏɴ. ɪɴ ᴊᴀᴠᴀ ɪᴍᴘʟᴇᴍᴇɴᴛ ᴛʜᴇ ꜰᴜɴᴄᴛɪᴏɴ ɪɴ ꜱᴜᴄʜ ᴀ ᴡᴀʏ ᴛʜᴀᴛ ʏᴏᴜʀ ꜱᴏʟᴜᴛɪᴏɴ ꜱᴏʟᴠᴇꜱᴛʜᴇ ᴘʀᴏʙʟᴇᴍ ᴡɪᴛʜ ᴏ(ɴ ʟᴏɢ2(ɴ)) ᴛɪᴍᴇ ᴄᴏᴍᴘʟᴇxɪᴛʏ ᴏᴠᴇʀᴀʟʟ ʙᴜᴛ ꜱᴛᴀʏꜱ ᴡɪᴛʜɪɴ ᴛʜᴇ ʙᴏᴜɴᴅꜱ ᴏꜰ ᴏ(1) ꜱᴘᴀᴄᴇ ᴄᴏᴍᴘʟᴇxɪᴛʏ. ʜᴇʀᴇ, ɴ ɪꜱ ᴛʜᴇ ʟᴇɴɢᴛʜ ᴏꜰ ᴛʜᴇ ʟɪꜱᴛ ᴏꜰɪɴᴘᴜᴛ ɪɴᴛᴇɢᴇʀꜱ (ᴀʀʀᴀʏ). ɪ ʙᴇʟɪᴇᴠᴇ ᴛʜᴇ ꜱᴏʀᴛɪɴɢ ʀᴏᴜᴛɪɴᴇ ᴛʜᴀᴛ ᴄᴀɴ ʙᴇ ᴜꜱᴇᴅ ʜᴇʀᴇ ɪꜱ Qᴜɪᴄᴋ ꜱᴏʀᴛ. ᴘʟᴇᴀꜱᴇ ꜱᴛᴀᴛᴇ ᴀꜱ ᴄᴏᴅᴇ ᴄᴏᴍᴍᴇɴᴛ ᴡʜɪᴄʜ ꜱᴏʀᴛɪɴɢ ʀᴏᴜᴛɪɴᴇ ʏᴏᴜ ᴀʀᴇ ᴜꜱɪɴɢ, ꜱᴏʀᴛ ᴛʜᴇ ᴀʀʀᴀʏ ᴡɪᴛʜ ᴛʜᴀᴛ ᴀʟɢᴏʀɪᴛʜᴍ ᴀɴᴅ ꜱᴏʟᴠᴇ ᴛʜᴇ ᴅᴇ-ᴅᴜᴘʟɪᴄᴀᴛɪᴏɴ ᴘʀᴏʙʟᴇᴍ ᴛʜᴇʀᴇᴀꜰᴛᴇʀ. ᴅᴇ-ᴅᴜᴘʟɪᴄᴀᴛɪᴏɴ ᴘᴀʀᴛ ᴏꜰ ᴛʜᴇ ꜱᴏʟᴜᴛɪᴏɴ ɪɴ ɪᴛꜱᴇʟꜰ ᴍᴜꜱᴛ ᴀᴅʜᴇʀᴇ ᴛᴏ ᴏ(ɴ) ᴛɪᴍᴇ ᴀɴᴅ ᴏ(1) ꜱᴘᴀᴄᴇ ʙᴏᴜɴᴅꜱ ᴄᴏᴍᴍᴇɴᴛ ᴇᴠᴇʀʏ ʟɪɴᴇ ᴏꜰ ᴄᴏᴅᴇᴘʟᴇᴀꜱᴇ ᴡʀɪᴛᴇ ᴛᴇꜱᴛ-ᴄᴀꜱᴇꜱ ᴏɴ ʜᴏᴡ ᴏɴᴇ ᴡᴏᴜʟᴅᴛᴇꜱᴛ ᴛʜᴇ ꜱᴏʟᴜᴛɪᴏɴ ᴀꜱꜱᴜᴍᴘᴛɪᴏɴꜱ ᴀɴᴅ ʜᴇɴᴄᴇ ᴛʜᴇ ᴄᴏᴅᴇ ᴇxᴀᴍᴘʟᴇ ᴏꜰ ᴄᴀꜱᴇꜱ ᴛᴏ ʙᴇ ᴛᴇꜱᴛᴇᴅ ꜰᴏʀ ᴀʀᴇ ʟɪᴋᴇ : ᴡʜᴀᴛ ɪꜰ ᴛʜᴇ ᴀʀʀᴀʏ ɪɴᴘᴜᴛ ᴡʜɪᴄʜɪꜱ…