Midterm Question 2 - Makeup

0 like 0 dislike
5.4k 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 | 5.4k 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:172.69.130.71
©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 | 8.3k 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 | 13.7k 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 | 3.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users