Answered: d) Trace the following recursive method…

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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The solution can be handwritten in a paper .

d) Trace the following recursive method for the function call “factorial(6)” and show the
output result.

static int factorial(int n)
{
}
if(n==0)//base case
return 1;
{
}
else
{
}
return(n*factorial (n-1)); //Recursive call

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Step 1

A recursive factorial program is a program that uses recursion to calculate the factorial of a non-negative integer. The factorial of a non-negative integer n is defined as the product of all positive integers from 1 to n. The recursive factorial program computes the factorial of n by recursively multiplying n with the factorial of n-1 until the base case of n=0 or n=1 is reached.

The given code is a recursive implementation of the factorial function in C/C++. It computes the factorial of a non-negative integer n by recursively multiplying n with the factorial of n-1.

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