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#include <iostream>using namespace std; int size(){ int n; cout<<"Enter…

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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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How do I complete the code to get a similar output in the image? Fibonacci Sequence Coding using Memoization C PROGRAM HELP: - Create the mfib() function to calculate Fibonacci using memoization - Also create the initMemo() function to clear out memoization table(s) at the beginning of each mfib() run The output of the program will record the relative amount of time required from the start of each function calculation to the end. Note the speed difference between fib and mfib! Turn in your commented program and a screen shot of the execution run of the program. Do not be alarmed as the non-memoization Fibonacci calls take a long time to calculate, especially the higher values. Be patient. It should finish. Given Code: #include <stdio.h> #include <stdlib.h> #include <stdbool.h> #include <string.h> #include <time.h> // max number of inputs #define MAX_FIB 200 // result of call to fib function unsigned long long result; //loop variable int i; //…
Design the logic for a program either by pseudocode or flowchart that allows the user to enter a maximum of 10 numbers. If the use enters a -1 the input loop stops early. The value -1 is not data but a quit(sentinel) flag value that is not entered into the array. Then, the program displays the count of the numbers entered and numeric average of the numbers (not including the -1 of course). After display the average of all the entered numbers, the program will then display each number and its difference from that average.
Write a menu driven program for the following operations using loop concept without array: a) series of prime numbers from 1 to 1000 b) series of perfect numbers from 1 to 1000 c) series of Armstrong numbers from 1 to 10000 d) range is given by user, after that display count of digits of each number e) range is given by user, after that display sum of digits of each number f) range is given by user, after that display max perfect number from that range In c++
The function must use the following functions only:o string()o Input()o disp()o fprintf()
Whats wrong with this code? # This program is to find roots of quadratic equationimport math # function for finding the rootsdef equationroots(a, b, c): # calculating discriminant using formuladis = b * b - 4 * a * csqrt_val = math.sqrt(abs(dis)) # checking condition for discriminantelif dis > 0:print("\nreal and different roots ")print("First solution =",(-b + sqrt_val)/(2 * a))print("second solution =",(-b - sqrt_val/(2 * a)) elif dis == 0:print("\nReal and same roots")print(-b/(2*a)) # when discriminant is less than 0else:print("\nComplex Roots")print("First solution =",-b/(2 * a), "+i", sqrt_val)print("Second solution =",-b/(2 * a), "+i", sqrt_val) # Driver Program a = int(input("Enter a: "))b = int(input("Enter b: "))c = int(input("Enter c: ")) # if a is 0, then incorrect equationif a == 0:print("Input correct quadratic equation") else:equationroots(a, b, c)
5. How many times following loop will execute? 1 KINGDOM OF SAUDI ARABIA | JAZAN UNIYERSITY COLLEGE OF COMPUTER SCIENCE & INFORMATION SYSTEMS ASSIGNMENTI - 2018-2019 i=4 while(ib) print (a): else if (a
The function must use the following functions only:o string()o Input()o disp()o fprintf()
Again, modify the while loop to utilize tolower() or toupper(). Create two more functions (options #3 and #4 in your menu) by taking the to_kilograms() and to_pounds() functions and modifying them to use reference variables instead of normal pass by value variables. Name them: to_kilograms_ref() to_pounds_ref() Create another two functions (options #5 and #6 in your menu) by taking the to_kilograms() and to_pounds() functions and modifying them to use pointers instead of normal pass by value variables. Name them: to_kilograms_ptr() to_pounds_ptr() Your new Menu should look like this, which includes what type of variables are being used: MENU 1. Kilograms to Pounds (pass by value) 2. Pounds to Kilograms (pass by value) 3. Kilograms to Pounds (pass by reference) 4. Pounds to Kilograms (pass by reference) 5. Kilograms to Pounds (using pointers) 6. Pounds to Kilograms (using pointers) Example: #include <iostream> #include <cmath>…
3. Task 2: Using for loop Write a for loop to print out the number set for odd and even numbers. NOTE:The program will accept range value to display the list of odd and even numbers. NOTE:Your source code must display any of the given sample output below.It means your source code should be flexible enough to meet any of the given sample output.Your source code output must be identical to any of the given sample output.It means you have to strictly follow what are the displayed text, labels, casing of characters in the sample output. OUTPUT 1 Enter Value: 10 Even: 2 4 6 8 10 Odd: 1 3 5 7 9 OUTPUT 2 Enter Value: 20 Even: 2 4 6 8 10 12 14 16 18 20 Odd: 1 3 5 7 9 11 13 15 17 19
(d) ires = 0; for index1 = 10:-2:1 for index2 = 2:2: indexl if index2 = 6 creak end ires = res + index2; end end number of times (outer loop) number of times (inner loop) R
Problem Definition Your program will be "menu driven". This means that after every completed operation by your program, the user is presented with a menu of options once again. EVERY menu will have a "Quit" option that will exit the user completely from your program. Create your menu options with brief but meaningful labels, The first option of your program will prompt the user to enter a positive binary number (base 2 -- 1's and O's only) of no more than 6 digits. Read this value as an int type value and your program must make sure that it is indeed a binary number (only l's and 0's). If it isn't, then the user is prompted again. If it is binary, then your program is to calculate the equivalent decimal value (base 10 -- the number system).