Midterm Question 2 - Makeup

0 like 0 dislike
3.4k 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 | 3.4k 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:172.70.127.168
©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 | 5.3k 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 | 8.7k 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 | 2.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users