Midterm Question 2 - Makeup

0 like 0 dislike
8.3k 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

 

[Exam] asked in Midterm by (12.1k points)
ID: 36751 - Available when: 2017-11-15 14:10 - Due to: Unlimited | 8.3k views

26 Answers

0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
   * **  * **  * ***  *  *** a,b,c,d,e,f,g,h,i,j,k,l,m;
  ****** **   *** *    **     ** *    * ** *  ***   *   *     **  *   *    *** ***   *  *  *  *  * **      *** * ** * **  * **  * * *  *  *        * **  * **** *      ** **** *  ***    *

*   **  **   ***  **  * ***  * check,sum;
  * *** *  ** **    ***   *      * ******   ** * 
 ** * *   ** * **    * *  ** * ******  **   *********   *
** * *    ******  *    *  ** * * * 

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

    



    ** **  *  **  **** ** ***    != m)
   *    ** * * * * ** ** *
* ********* ****  * **    **     *   **   * **  ***   * *    ISBN");
   * ***   ******* *** **
** * *******    **    ** 
*    ***** *** **   *       *
 *    *   **** **    **   *   **    *  * **** *     ***  ISBN");
    }

return 0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
   int    ** *  *  *   ***** ** ** *** 

* ****    *  ***       *   * *  * %1d %1d %1d %1d %1d %1d %1d %1d %1d %1d %1d ** * *   *  *  *** **   ***   *****   *   ***    **       * **  *   * **  *   * ** ****   *   ** *** *   ** *** ***   * ** *  ;

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

*******  *   *      *******   *  
  * * * ** **  * * * *  *** ***  ***  ISBN");}
* *   * **   *     ** **  
* **** *  *  * * *     *** **  * *   ***   *  ** **  ** **    *  ***  ISBN");
 * ***  **** **    *    * *** 
**** * **  *** * * * *** * * *** 0;
}
answered by (42 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
   int ** * *** **     * *      ** * *** 

  *** *  ** * *   ** *  ** %1d %1d %1d %1d %1d %1d %1d %1d %1d %1d %1d   **    ** * *   **** *  * *  ********** *** ** ** **   *       * ** ***  ***  *   * * ** ** ** **  * * ********** ;

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

**    * * **  * *   ****** ***  * *
 *  ***  ******** **   **  *  * *****  **  ISBN");}
 ** *   *    ***    ****  * * **
 *  *   *  *  *  * ***    ** ****  *    * * * ******    ***** ISBN");
     * **   ** * ***  ** *
* *** ** *  * *  ** **  *   ***      0;
}
answered by (-167 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
     *** *  **   ***    ** **  a,b,c,d,e,f,g,h,i,j,k,l,m;
   ******  ** * * ** *  ***  **   *  * *  *     ***    * *  ** ****  **     *     *** * * * ****   ** * * ** ** * *** * *   *   * * ***   *   * ***** *  *  * ** *  * ****

*  **  ** *  ** ** ** *  check,sum;
*    ****  ****  * *  * * ***  *  *  * *           
**   *   * *  ** * ** **  * *     * *** *   **  *   * * **  **
*         **    *    * *** * *    

 * * *  *    **   **  * ****  *** 
      * *** *  * **    **    
*      ***** * **  ***  *  *  ***   * *** ******  *** ** *****
    }



 * *  * *** *****   *  * * * * * **** != m)
    {
**  ** * *  ** * ** **   * * ****   *     * *   * *** *        * *** ISBN");
 * **  *   ** **  ** *
 * **   ***    **  ***   * *  **
** **** * **        *    *
 ******   * *       *** *****    *** *    ****** * ***  ISBN");
 **  *  **    *   *** ** ** **  

return 0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
 **   ** *** * * ***   **   a,b,c,d,e,f,g,h,i,j,k,l,m;
 *   *   ** ** * ** **  **  *   * * * *   ** * * * ***** ** * ** **  ** **** ***  *   ** * **  *** * *****  * **   ****   ********* *   * *    *** *****  * **********  ****  

 * *** * ** * *       * *** * check,sum;
* * *  * * * ** *  ******** * * **** *** *  * *   **
   **  ** * * *   *  *      *   * *    *******   ***    * * * ***
 ** **   **** *****   *   *  * * ** * *  

*  * **     ** * ** **  * *** *
 * * *** *   *         ******  
  * *  ***    * ** *  *    ** * * ** **   *     ***  *** ** * *
    }



****    * ** ** **   *     *** != m)
    {
* **   * **   *      **  * ** *  ****  **       *  **  **        * ***  ISBN");
 *  * ** *  *    *   *  * 
   **   *  *  *  ** ****  *  
**   * *  * **    **   * *    
* *  *  *  * * ***** ***  **  ******  ***   *       *** *  ISBN");
    *** *  *** **  *** *   **

return 0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
**   * *  * * *      *    a,b,c,d,e,f,g,h,i,j,k,l,m;
* * * ***     * * ****** * **  * *** * * *  * *  *  *****   * **   *        *  * ** * **       ** *   **********    ********  ** *** *** * ***   ****** **    *    *  **

 * ** * *  ** **     * *  *** *** check,sum;
**    ***  *    ***** ***  *  **       ***** *****
   ****** * **** *** ** ****  **   *     ***  *    *   *     
  *   * **  *****  ****     * * ***  *  
    


 **  ** * **  *      ********* ***  != m)
*  ** ***   *  * * **   * 
 **** *  ****   *  * **  **     ****  ** * *  **  ** * * *   ** ***       ISBN");
* *   *  ** **** **       *
**    * **    * **       *** *  
  * ****    * *** * * * *   *  
*  * *   **  *** ** * ** *   * **** * *   *  * *** ** ISBN");
* ** *  * *  *    *   **** 
    
return 0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include **  ****  **** *

int main()
{
** * *    *    *  **  *  a;
** * *  *    ** *      *  ** **  ** *   ** 
**** * ********* ** ** **** ** *   *     * *** 
 **   * **  *  *  * * 0;
}
answered
0 0
prog.c: In function 'main':
prog.c:6:10: warning: too many arguments for format [-Wformat-extra-args]
    scanf("a",&a);
          ^~~
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
 **** *    ****  * * * *  * *** *   a,b,c,d,e,f,g,h,i,j,k,l,m;
  ****** ***** ** * *     ** *   **  *     * *** **** ** ***  ** *    * *** ** *  *  **  * **  ******  *  ***   * * *  *  *       ***  *  * * **  * *  ***  * *** ** ** 

*  *    ** ** * ***  **   ***  *  check,sum;
     * *    *   ** *  *    *** **     * *** * *  **
**      *  *   *  * *     **   *** ****    
    


* **  ** ***    *  *  ** * *****  *  * != m)
  * ***** *   *   *** * 
 * * * ****  ** *  *  *** ****  ***           * * **    **** *   ISBN");
 *   *  **  *   **    *  *
 *   *******   **  **  ****
   **** *  **  **     *  ** 
 *  *     *** *      **       ** * * ** *     *** **  ISBN");
*  * ** **  * *  **   
 *** * * ** ** *   *  * **  
return 0;
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Wrong output
Case 3: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
    int s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13;
    int check;
    int sum;

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

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

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

     **   *  **   ****** *  *   *  ** **** ***** *** ** *   (check==s13)
 * **  *  *     **  *** * ***    **   * ***   ** *  * *
******* ** * *  ** *  ***         *   **** *** **** *   *  * ** **  *   * ***  *  *   *  *  **       ISBN");
 **   *     *   *  *     * * ** ** *** *   ** * ****   **  ** *
 *   * * *   *    * *****    **    *   ** * ** ** **** **  ** ****
** *    **     **    *   *  ******  ** ***** *** *    * * * 
 *   * **  ****     *** **   * *  *   ** *  **  **   **  ***      *  ** * **  *** **  *   ** ** * *  * ***  ISBN");
*    *** *  * **** *  *     ** *** *   ****  *     ** * ****  **  ** **

}
answered by (-193 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include  ** * *   ** 
#include **  *   * *

int main()
{
* *****    *** *   *** a,b,sum;
* * * **  ** *    ** * **      *** *     *****   ** ** ****** ** *
**** **    *** *  *** ***  number;
*  * * **  ***    * ***  **** * odd number;
  **  **  *  *        *******  *  
*  ** * *  *** ***  *  **  **   * (10-(sum%10)=last number)
* **     *  **  * *  * **   * * * **   * * * ** * * *   ****    ISBN");
  *  *      ** ******  * * *
**  ** * * *  *   * *  **  *  *   * * **   * * * *** *** ****** *  *  ISBN");
  ** **  **       **  * *** **** 0;
}
answered by (-108 points)
0 0
prog.c: In function 'main':
prog.c:8:7: error: 'odd' undeclared (first use in this function)
     a=odd number;
       ^~~
prog.c:8:7: note: each undeclared identifier is reported only once for each function it appears in
prog.c:8:11: error: expected ';' before 'number'
     a=odd number;
           ^~~~~~
prog.c:9:7: error: 'not' undeclared (first use in this function)
     b=not odd number;
       ^~~
prog.c:9:11: error: expected ';' before 'odd'
     b=not odd number;
           ^~~
prog.c:10:12: error: lvalue required as left operand of assignment
     a*1+b*2=sum;
            ^
prog.c:11:21: error: 'last' undeclared (first use in this function)
     if (10-(sum%10)=last number)
                     ^~~~
prog.c:11:26: error: expected ')' before 'number'
     if (10-(sum%10)=last number)
                          ^~~~~~
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.65
©2016-2026

Related questions

1 like 1 dislike
49 answers
Midterm Question 2
[Exam] asked Nov 15, 2017 in Midterm by thopd (12.1k points)
ID: 32706 - Available when: 2017-11-15 14:10 - Due to: Unlimited | 13.3k views
2 like 0 dislike
77 answers
10-19 Exercise 1: International Standard Book Number (ISBN)
[Exercise] Coding (C) - asked Oct 19, 2017 in Chapter 5: Selection Statements by thopd (12.1k points)
ID: 27667 - Available when: Unlimited - Due to: Unlimited | 20.7k views
0 like 0 dislike
15 answers
Midterm Question 6 - Makeup
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36755 - Available when: 2017-11-15 14:10 - Due to: Unlimited | 6.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users