2 like 0 dislike
5.9k views

The 13-digit International Standard Book Number (ISBN) is a unique code that identifies a book commercially. The last digit is a check digit used for error detection. To calculate its value, each digit of the first twelve digits is alternately multiplied, from left to right, by 1 or 3. The products are summed up and divided by 10. The check digit is the remainder of the division subtracted from 10. If it is 10, it becomes 0. 

ISBN檢查號的計算方法: 前12個數字,奇數項 乘以 1 , 偶數項乘以 3

For example, assume that the first twelve digits are 978960931961.  

假設號碼前12位是978960931961

(a) (9*1 + 7*3 + 8*1 + 9*3 + 6*1 + 0*3 + 9*1 + 3*3 + 1*1 + 9*3 + 6*1 + 1*3) = 126 

(b) The check digit = 10 – (126 % 10) = 10 – 6 = 4  

檢查號 = 10 - 餘數 = 10 – (126 % 10) = 10 – 6 = 4  

So the valid ISBN is: 9789609319614

Write a program that reads a 13-digit ISBN and checks the last digit to see if it is valid or not. 

寫一個輸入13位ISBN號碼 判斷最後一個數字是否檢查碼即可

#Try 1:

Input:

9789609319614

Output: 

Valid ISBN

 

#Try 2:

Input:

9781482214505

Output: 

Valid ISBN

 

#Try 3:

Input:

9780132936493

Output: 

Invalid ISBN

 

[Exercise] Coding (C) - asked in Chapter 5: Selection Statements by (12.1k points)
ID: 27667 - Available when: Unlimited - Due to: Unlimited

edited by | 5.9k views

77 Answers

0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
*** ** * * ** * * ** * ** ** *** ** ** ***** ** ******* ******* ** * *** ** *
******** *** ** * *
*** * ** * ***** ** * ** **** * ****** ********* ** * *** * * **** ** * * ** ** * ** ** ** * **** *** ** * * *** ** ** ** * * ** * ** ** * * ****** ** *
* ** * ** ****** *
** ** * **** ** * * = * * **** * ** * * *** ** * * ** ** * * ** * * *** ** *** ***** ** *****
***** * *** *** **
*** **** * **** ** ** ** * * = 10 - (a%10);
    
** * ** ** * * * ** * ( b == number13 )
* * *** ** * ** **** * * * *** ** * ** ** * ** ** * ** ISBN");
    
** * *** *** * * * *
* * ** * * * ***** * *** **** * *** ******* * * ** ** ISBN");
*** * ** * ** ** * *******
** * ** ** ***** ****
** ** *** * * ** ** **** 0;
}
answered by (-233 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
int main()
{
* ** ** * **** ** *** * * **** *** * ** * ** **
* * ******* * ** *** * ****** * *** ** ** ** * * ** * ** * * * **** *** *** * ** * * ** *** * ** * *** * ** * * **** * * **** * ** **
* * *** * ** ** ********* * * ** * ** ** * * *** *
******** ** ** * * ** ** * **** *
* *** ****** ** ** * ****** * ** printf("Valid ISBN");
* **** ** * * ***** * printf("Invalid ISBN");
* * * *** * ** ** 0;
}
answered by (-32 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main()
{
**** ** * *** **** ** ** * a,b,c,d,e,f,g,h,i,j,k,l,m;
** *** * * ** ** **** * * ***** * ***** **** *** * * * * ** ** ** ***** * ** ** * ** ** ** * **** * ** **** * * * * ** * *
* ***** ** ** * * *** * *** *** * **** *** *
** * ** * * * *** *
* ** ** ** *** **** * * *** * * *** ** *** ISBN");
* ** * *** *** *** *****
* * ** ** * * ** **
    {
** ** ****** * ****** ** * * * ** *** * * ** * ISBN");
* * *** ***** ** ** *** **
}
answered by (-254 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
void main()
{
    char isbn[12];
    int a=0,b=0,c,d,e,i,g,h;
** ***** *** * * **** ** * * ***** *
**** * * * * ******* * *** *** * *
* * * * * * ** *** * *** ********* * *** * *** ** ********* * * **** * * ** * ** ** ** ** ** * ***
****** * ****** * * ** * *** **** *
*** ** * * * * * * * * ** * *** *** * ** ** ** * * ***
** *** ** *** ** **** *
* **** * * * * **** * *** * * * * * **
** ** ** ** * *** **** **
* * *** * ** *** * ** ** ** * * * **
*** ** * * *** **** ** * *
* * ** * ** ** * * *** *** ******
* * ***** ** ********* * **
* * ** * ** * ***** **** *** * ** * * ****** * *** ****
** ** * ** * * * ** *
** * ** ** * * ** * ** ** * ** * * * * ******* ** ISBN");
    else
* ** ** ** ** * * ** * ****** * ** * * ** * * * * ISBN");
}
answered by (-32 points)
edited by
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main()
{
* * ** ******* * * ** a,b,c,d,e,f,g,h,i,j,k,l,m;
**** * * ** ** *** * * * * * * ** * * * * *** * *** *** * ** * * ** ** ** * *** ***** ***** ** ** **** * ** * * **** **
*** * **** ****** * ** ***** ** * * * *** * * **
* ** ** * ****** * *
** ** * * * *** ** *** * *** ****** ** *** *** ** ISBN");
* * ** * * ** ******
* ** **** ** ** *
    {
***** ** *** * ** ********* * * * * *** * * ** ** ISBN");
* **** * * **** ***
}
answered by (-214 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
    int *** ** **** *** ** ** * * *

* * *** ** * * * * *** * * *** ** *** ** ** **** ** ** * * * * ** *** *** * * * ** * * * * ****** * ** * *** * **** ** * ** ** **

* * * * ** ******** ** ** ** ***** **** ***

*** * * * **** * ** *** ** * ***

* **** ** ** *** ** ** * * * *
**** ** **** * * **** * ****** *** * * **** * *** * ISBN");}
** * ** * *** * ** **
*** * ** * * ** * * * ** ** * * *** * *** * ***** ** * ISBN");}

** **** ** **** ** * *** 0;
}
answered by (-16 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include<stdio.h>
int main()
{
**** ***** * * * *** a,b,c,d,e,f,g,h,i,j,k,l;
* *** ** **** * ** m;
* *** * * * ** * * * n;
** ** ** * **** * * * *** * ** * * * *** ** *** * * ** * * ** * ** * * ** * * * ** ** ** * ** * * * ** * ***** * *** * * ** * ****
*** * * *** * * * *** ** * * *
**** * * * * ** ** **** * **
** ** * * * ** * * * * *
* *** *** * * * *
** * ** *** * ** * * ***** ** *** * ***** * ** * * ISBN");
    }
** * * ******* **** ****
    {
** **** ** ** **** ** * ** * * * ** * *** * * * **** ***** ISBN");
* ** * ** *** * * * *
}
answered by (-329 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
* * ** * ******* *** * ** a,b,c,d,e,f,g,h,i,j,k,l,m,n,o;
* ** *** ** * ** * **** * * ** *** **** ** ** * ***** * * ** *** * * * ** ** *** *** * * * * ** * * * * * ** * *** *** * * * ***
** * * * ******** ** * * *** ** ** * **
*** ** ** *** ******* * *
** ****** * * ** *** ** * *
** * *** * ** * **** ***** * * * * * * ** * * * * ** * ISBN");
* * ** ****** ******** *
*** * **** **** * * * ******* ** * *** * * *** * * * ISBN");
* **** **** * ** * * ** 0;
}
answered by (-498 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
** *** *** * ** ** * ** * n1,n2,n3,n4,n5,n6,n7,n8,n9,n10,n11,n12,n13, sum;

* * * * * ***** * * ****** ** ** ** ** * ** ** ** ** ** * * * *** ** * * ** * **** * ** * ** * ** ** ** * *** * ** ** * ** **

** * * ** * * ** * *** *** * *** ** *** * * ** **** ** ** * *********

***** * ***** ** **** * * *
* *** * * * * ** **** *** ** ** *** * * *** ISBN");
*** ** * ***** * ** ** * ** *
**** *** * ** ** * **** * ** **** *** * ** * ****** ** * * ISBN");
* * * *** * * *** * * *** 0;
}
answered by (-168 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
0 like 0 dislike
Hidden content!
#include <stdio.h>

int main()

{
    int * * ** ** *** *
*** **** * * *** *** ** * ** * ** *** * * *** ** ** * ** ** ** ** ** * ** * * ***** ** **** ** ** **** *** ** *** * ** *** ***

** ** * ** *** * * * * **** ** *** ** * ** **** * *
* **** ** * *** * ******** *

*** * * *** * * *** *** *
* * *** *** ** * * * **** * * * ISBN");}
* * * * * * * * * **
****** * * * * ****** * **** ** ** ****** ISBN");}

** ** * ***** *** **** 0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.131.31
©2016-2024

Related questions

0 like 0 dislike
26 answers
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36751 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 2.3k views
1 like 1 dislike
49 answers
[Exam] asked Nov 15, 2017 in Midterm by thopd (12.1k points)
ID: 32706 - Available when: 2017-11-15 14:10 - Due to: Unlimited
| 3.5k views
12,783 questions
183,443 answers
172,219 comments
4,824 users