What does the following function do? int fun(int x, int y) if (y == 0) return 0; return (x + fun(x, y-1)); O a. X O b. X+y O c. X*y O d. X+X*y O e None of the above.

What does the following function do? int fun(int x, int y) if (y == 0) return 0; return (x + fun(x, y-1)); O a. X O b. X+y O c. Xy O d. X+Xy O e None of the above.

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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.Prime NumbersIn this task, you will implement a program that takes as input a number n and produces alist of integers less than or equal to n that are prime. The way to think about a problem isto break it down into individual parts. Start by creating a function isPrime() that checkswhether it’s argument is prime or not. The pseudocode for checking isPrime is givenbelow, there are better ways to do it… this is just one.6Step 1: count = 2Step 2: while count < numberStep 3: if count divides the number evenly return falseStep 4: add 1 to countStep 5: Goto step 2Step 6: return true
//Write a function that loops through and console.log's the numbers from 1 to 100, except multiples of three, log (without quotes) "VERY GOOD" instead of the number, for the multiples of five, log (without quotes) "SUPER AWESOME". For numbers which are multiples of both three and five, log (without quotes) "VERY GOOD SUPER AWESOME" Console log out: 12VERY GOOD4SUPER AWESOMEVERY GOOD78VERY GOODSUPER AWESOME11VERY GOOD1314VERY GOOD SUPER AWESOME1617VERY GOOD19SUPER AWESOMEVERY GOOD2223VERY GOODSUPER AWESOME26VERY GOOD2829VERY GOOD SUPER AWESOME
What is the return value of a function that doesn't specify a return statement or simply has an empty return statement? Example: def x(a,b): print(x) return
Functions like print which perform an action but don’t return a value are called: Select one: a. recursive functions b. built-in functions c. simple functions d. utility functions e. void functions
What is the return value of the given function below when the data passed to it is 4? int function(int x) { int y; } y=x++; return y; Select one: O a. 6 O b. 7 O c. 5 O d. 4
Create a function that determines whether a number is Oddish or Evenish. A number is Oddish if the sum of all of its digits is odd, and a number is Evenish if the sum of all of its digits is even. If a number is Oddish, return "Oddish". Otherwise, return "Evenish" For example, oddishOr Evenish (121) should return "Evenish", since 1 + 2 + 1 = 4. oddishorEvenish (41) should return "Oddish", since 4 + 1 = 5. Examples oddishOr Evenish (43) → "Oddish" // 4 + 3 = 7 // 7 % 2 = 1 oddishorEvenish (373) // 3 + 7 + 3 = 13 // 13 % 2 = 1 → "Oddish" oddishOr Evenish (4433) → "Evenish" // 4 + 4 + 3 + 3 = 14 // 14 % 2 = 0
4. You are given the following functions: int functionA(int a) { printf ("a-sd\n", a); if (a==1) return 1; else return functionB (a-1) *2; int functionB (int b) { printf ("b=3d\n",b); if (b--1) return 1; else return functionA (b-1) *3; Write the main function. Your main function should prompt the user for input and then call the mutual recursion by passing in the user's input. The guidelines are described below. int main () { //declare int a to receive user input and int result to receive result of mutual recursion //using a while loop, prompt user for input. The number entered //must be bigger than 1, otherwise repeat user input with an error //message. //call functionA () with int a as input argument. Receive the result in int result. //print result return 0;
4.Rohan bought a gallon of milk with an original price of $4.25; today he gets a 15% discount before a 5% tax; display the final price of the milk.5.This function is named compound_interest, takes these arguments p r n t; compute and return a for displaya = p (1 + r/n) nt6.This function is named annuities, takes these arguments r i n; compute and return s for displays = r ((1 + i)^(n + 1))/i - r
6. You are given the following function that will calculate the sum of the first n numbers where n is an argument to the function. When n is 10, it should print out 55, but instead it prints out 10. Find and fix the problem. int findsum (int n) { int sum = 0; for (int i=1; i
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2- The factorial n! of a positive integer n is defined as n! = 1*2*3 . .. * (n-1) * n Where 0! = 1 Write a function to calculate the factorial of a number. Argument: A number n of type unsigned int. Returns: The factorial n! of type long double. Write two versions of the function, where the factorial is • calculated using a loop calculated recursively Test both functions by outputting the factorials of the numbers 0 to 20.
NOTE: Solve this as soon as possible, I need this urgently. (a). Write a function that takes an integer as input and finds whether it is a prime number or not . Function should return 1 if number is prime , 0 otherwise. In main(), ask the user to enter the number and call the funcltion. Based upon the value returned by the function , main() will display on screen, if the number is prime or not.