Midterm Question 2 - Makeup

0 like 0 dislike
4.2k 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 | 4.2k 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:172.70.100.99
©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 | 6.4k 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 | 10.8k 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 | 3.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users