1. In quiz1.c implement digit_sum_base function using recursion that calculates the digit sum of a number's presentation with base as base. For example, if base is 2, a binary number, digit_sum_base(5, 2) should be 5's binary reprentation 101, adding up all digits together and we have 2. digit_sum_base(1234, 10) should be 10 = (1+2+3+4). You may assumen is always non-negative integer and base is an integer between 2 to 10 inclusive. 2. In main.c implement the main function so that when we run the program this is what happens: %./main Enter an int: 0 Enter a base: 10 answer is 0. $ ./main Enter an int: 1234 Enter a base: 10 answer is 10.
1. In quiz1.c implement digit_sum_base function using recursion that calculates the digit sum of a number's presentation with base as base. For example, if base is 2, a binary number, digit_sum_base(5, 2) should be 5's binary reprentation 101, adding up all digits together and we have 2. digit_sum_base(1234, 10) should be 10 = (1+2+3+4). You may assumen is always non-negative integer and base is an integer between 2 to 10 inclusive. 2. In main.c implement the main function so that when we run the program this is what happens: %./main Enter an int: 0 Enter a base: 10 answer is 0. $ ./main Enter an int: 1234 Enter a base: 10 answer is 10.
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
Transcribed Image Text:This is what you will need to do for the C programming:
1. In quiz1.c implement digit_sum_base function using recursion that calculates the digit sum of a number's
presentation with base as base. For example, if base is 2, a binary number, digit_sum_base(5, 2) should be 5's binary
reprentation 101, adding up all digits together and we have 2. digit_sum_base(1234, 10) should be 10 = (1+2+3+4).
You may assumen is always non-negative integer and base is an integer between 2 to 10 inclusive.
2. In main.c implement the main function so that when we run the program this is what happens:
%./main
Enter an int: 0
Enter a base: 10
answer is O.
$ ./main
Enter an int: 1234
Enter a base: 10
answer is 10.
$
Expert Solution
Step 1: Program
File name: “quiz1.h”
//Declare the recursive function
int digit_sum_base(int, int);
Screenshot:
File name: “quiz1.c”
#include "quiz1.h"
//Define the recursive function
int digit_sum_base(int n, int base){
if(n == 0 || n == 1)
return n ;
return n % base + digit_sum_base(n / base, base);
}
Screenshot:
File name: “main.c”
#include <stdio.h>
#include "quiz1.h"
int main(){
int n, base;
printf("Enter an int: ");
scanf("%d",&n);
printf("Enter a base: ");
scanf("%d",&base);
printf("answer is %d.\n", digit_sum_base(n,base));
return 0;
}
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