Midterm Question 2 - Makeup

0 like 0 dislike
3.5k 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 | 3.5k 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:172.69.17.95
©2016-2025

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 | 5.4k 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 | 9k 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 | 2.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users