Midterm Question 2 - Makeup

0 like 0 dislike
4.3k 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 | 4.3k 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:172.70.126.65
©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 | 6.5k 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 | 11.1k 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 | 3.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users