3. Write code for a method that uses a loop to compute the sum of all the integers from 1 to N. Perform an algorithm analysis, counting each basic operation (such as assignment and increment++) as one operation. Express your algorithm analysis in Big-O notation. Solution: Method Cost 4. List the order of Big-O terms from lowest to highest. Solution: 5. List the Big-O term for the following sorts and searches: a) Selection sort b) Insertion sort c) Bubble sort d) Quick sort e) Sequential search f) Binary search

3. Write code for a method that uses a loop to compute the sum of all the integers from 1 to N. Perform an algorithm analysis, counting each basic operation (such as assignment and increment++) as one operation. Express your algorithm analysis in Big-O notation. Solution: Method Cost 4. List the order of Big-O terms from lowest to highest. Solution: 5. List the Big-O term for the following sorts and searches: a) Selection sort b) Insertion sort c) Bubble sort d) Quick sort e) Sequential search f) Binary search

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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A task is given to generate matrix A from matrix B. 1 200 000 01 340 0 000 0 001 20 0 0 0 0 03 4 00 00 000 1 20 0 0 00340 0 000 0 0 1 2 B = 0 0 0 Lo 0 0 0 0 0 3 4 However, the program generates inaccurate matrix A where you need to debug. Analyze the program below to debug the syntax errors or violations of rules. Copy the Table Q4(b) and Paste it into your answer script. Replace with the corrected codes. Line No Program Codes 1 int n = 2; int B[n] = {{1, 2}, {3, 4}}; int P= 5; int A[2*P] [2*P] = {}; int col, row, j; for (int block = 0; block <= P; block++) ( (b) A = 13 2 3 4 5 6 7 8 9 coln (block+1) n; //col = 0, 2, 4, 6 row col; 10 11 for (int ii = 0; ii <= n; ii++) 12 ( 13 for (int jj = 0; jj <-(n-1); jj++) 14 { 15 16 } 17 18 Line No. Corrections A[row+ii] [col+jj] = B[ii+1] [jj+1]; Table Q4(b):
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PROGRAM IN C++ Our BoardArray will store 5 entries maximum. Improve the following existing methods: bool add(entry* e) Improve the add method where you will return true if the entry has been successfully added (i.e. the entry is placed in the top 10), otherwise return false (i.e. if the entry did not make it to the top 10). bool remove(const char* person) Improve the remove method where you return true if an entry is successfully deleted (i.e. we have found an entry that matches the person), otherwise return false. Add the following additional methods: bool ban_country(const char* nation) Removes all the entries bearing the country equal to the given nation. Return true if at least one entry has been removed, otherwise return false. int country_wins(const char* nation) Returns the number of entries in the scoreboard who represents the given nation. int exemplary(int score) Returns how many entries in the scoreboard are greater than or equal to the given score. double…
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ORIGINAL Q: Instead of reading in an entire list N1,N2,⋯N1,N2,⋯ all at once, some algorithms (depending on the task to be done) can read in only one element at a time and process that single element completely before inputting the next one. This can be a useful technique when the list is very big (e.g., billions of elements) and there might not be enough memory in the computer to store it in its entirety. Write an algorithm that reads in a sequence of values v≥0, one at a time, and computes the average of all the numbers. You should stop the computation when you input a value of V = −1. Do not include this negative value in your computations; it is not a piece of data but only a marker to identify the end of the list. PLEASE MODIFY THE FOLLOWING CODE SO THE USER INPUTS THE NUMBERS ONE BY ONE: ORIGINAL Q: Instead of reading in an entire list N1,N2,⋯N1 ,N2,⋯ all at once, some algorithms (depending on the task to be done) can read in only one element at a time and process that single…
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