Midterm Question 2 - Makeup

0 like 0 dislike
5.1k 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 | 5.1k 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:172.70.80.184
©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 | 7.9k 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 | 13.1k 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 | 3.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users