Midterm Question 2 - Makeup

0 like 0 dislike
6k 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 | 6k 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:104.23.209.51
©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 | 9k 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 | 14.8k 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 | 4.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users