Study the following C program and answer the below questions Hint: you might run it in Dev C++ before starting answering the questions! Show a sample output of the program. Extract a function declaration (prototype) for: void functions with void argument ………………………………………………………………………………………………………………… void function with a single input argument ………………………………………………………………………………………………………………… function with a single input argument and return ………………………………………………………………………………………………………………… a recursive function ………………………………………………………………………………………………………………… What is the difference between normal functions and recursive functions? How many times are the function print_stars() called in the program? (mention the line number of each call). #include void print_stars(); void option_list(); void divisors(int n); int summation(int s); int factorial (int n) ; int main(void) { int number , result , op ; char flag; printf("Enter an integer number > "); scanf( "%d" , &number ); do{ option_list(); scanf("%d" , &op); switch(op) { case 1: divisors(number); break; case 2: result = summation(number) ; printf("Summation = %d\n" , result); break; case 3: result = factorial(number) ; printf("Factorial = %d\n" , result); break; default: printf("\nERROR: %d is unrecognized option!!! \n" , op); } print_stars(); printf("Do you want to check another function? (Y/N)> "); scanf(" %c" , &flag); } while (flag == 'Y' || flag == 'y'); return 0; } void option_list(){ print_stars(); printf("1: Find the divisors \n"); printf("2: Compute the summuation\n"); printf("3: Compute the factorial \n"); print_stars(); printf("Please enter your choice: "); } void print_stars(){ int i; for(i = 1 ; i <= 25 ; i++) printf("*"); printf("\n"); } void divisors(int n) { int i; printf("Divisors of %d are\n",n); for(i=1;i<=n;i++) if(n%i==0) printf(" %d",i); printf("\n"); } int factorial (int n){ int i , fact = 1 ; for (i = 2 ; i <= n ; i++) fact *= i; return fact; } int summation(int s){ if (s == 0) return 0; else return s + summation(s-1); } What does each function do? Hint: Write a simple description for each of the user-defined functions. void print_stars(): void option_list() void divisors(int n) Example: This function takes one argument of type int and prints its divisors on the screen, including, 1 and itself. int summation(int s) int factorial (int n)

Study the following C program and answer the below questions Hint: you might run it in Dev C++ before starting answering the questions! Show a sample output of the program. Extract a function declaration (prototype) for: void functions with void argument ………………………………………………………………………………………………………………… void function with a single input argument ………………………………………………………………………………………………………………… function with a single input argument and return ………………………………………………………………………………………………………………… a recursive function ………………………………………………………………………………………………………………… What is the difference between normal functions and recursive functions? How many times are the function print_stars() called in the program? (mention the line number of each call). #include void print_stars(); void option_list(); void divisors(int n); int summation(int s); int factorial (int n) ; int main(void) { int number , result , op ; char flag; printf("Enter an integer number > "); scanf( "%d" , &number ); do{ option_list(); scanf("%d" , &op); switch(op) { case 1: divisors(number); break; case 2: result = summation(number) ; printf("Summation = %d\n" , result); break; case 3: result = factorial(number) ; printf("Factorial = %d\n" , result); break; default: printf("\nERROR: %d is unrecognized option!!! \n" , op); } print_stars(); printf("Do you want to check another function? (Y/N)> "); scanf(" %c" , &flag); } while (flag == 'Y' || flag == 'y'); return 0; } void option_list(){ print_stars(); printf("1: Find the divisors \n"); printf("2: Compute the summuation\n"); printf("3: Compute the factorial \n"); print_stars(); printf("Please enter your choice: "); } void print_stars(){ int i; for(i = 1 ; i <= 25 ; i++) printf(""); printf("\n"); } void divisors(int n) { int i; printf("Divisors of %d are\n",n); for(i=1;i<=n;i++) if(n%i==0) printf(" %d",i); printf("\n"); } int factorial (int n){ int i , fact = 1 ; for (i = 2 ; i <= n ; i++) fact = i; return fact; } int summation(int s){ if (s == 0) return 0; else return s + summation(s-1); } What does each function do? Hint: Write a simple description for each of the user-defined functions. void print_stars(): void option_list() void divisors(int n) Example: This function takes one argument of type int and prints its divisors on the screen, including, 1 and itself. int summation(int s) int factorial (int n)

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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Question #2:

Study the following C program and answer the below questions

Hint: you might run it in Dev C++ before starting answering the questions!

Show a sample output of the program.

Extract a function declaration (prototype) for:
- void functions with void argument

…………………………………………………………………………………………………………………

void function with a single input argument

…………………………………………………………………………………………………………………

function with a single input argument and return

…………………………………………………………………………………………………………………

a recursive function

…………………………………………………………………………………………………………………

What is the difference between normal functions and recursive functions?

How many times are the function print_stars() called in the program? (mention the line number of each call).

#include<stdio.h>

void print_stars();

void option_list();

void divisors(int n);

int summation(int s);

int factorial (int n) ;

int main(void) {

int number , result , op ;

char flag;

printf("Enter an integer number > ");

scanf( "%d" , &number );

do{

option_list();

scanf("%d" , &op);

switch(op) {

case 1:

divisors(number);

break;

case 2:

result = summation(number) ;

printf("Summation = %d\n" , result);

break;

case 3:

result = factorial(number) ;

printf("Factorial = %d\n" , result);

break;

default:

printf("\nERROR: %d is unrecognized option!!! \n" , op);

}

print_stars();

printf("Do you want to check another function? (Y/N)> ");

scanf(" %c" , &flag);

} while (flag == 'Y' || flag == 'y');

return 0;

}

void option_list(){

print_stars();

printf("1: Find the divisors \n");

printf("2: Compute the summuation\n");

printf("3: Compute the factorial \n");

print_stars();

printf("Please enter your choice: ");

}

void print_stars(){

int i;

for(i = 1 ; i <= 25 ; i++)

printf("*");

printf("\n");

}

void divisors(int n) {

int i;

printf("Divisors of %d are\n",n);

for(i=1;i<=n;i++)

if(n%i==0)

printf(" %d",i);

printf("\n");

}

int factorial (int n){

int i , fact = 1 ;

for (i = 2 ; i <= n ; i++)

fact *= i;

return fact;

}

int summation(int s){

if (s == 0)

return 0;

else

return s + summation(s-1);

}

What does each function do?

Hint: Write a simple description for each of the user-defined functions.

void print_stars():

void option_list()

void divisors(int n)

Example:

This function takes one argument of type int and prints its divisors on the screen, including, 1 and itself.

int summation(int s)

int factorial (int n)

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