Midterm Question 2 - Makeup

0 like 0 dislike
6.6k 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 | 6.6k 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:172.70.80.197
©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 | 10.2k 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 | 16.5k 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 | 4.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users