Midterm Question 2

1 like 1 dislike
1.6k 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: 32706 - Available when: 2017-11-15 14:10 - Due to: Unlimited | 1.6k views

49 Answers

0 like 0 dislike 
Hidden content!
#include *  *   **** * * *
int main (void) {
int check;
int sum;
int flag;
int   **   *** ***  **  **  *  ** ****   
     ******   *  * * ** ***  *** *** ** **  ** *  ***      * ** *** *   *      ***       *  ** * **   **      * * ** * *  ** * *    *     * * **** *  ****  ***  *  *  *    ***
** *  *  *  **  ** * **** * *  *  **** **** * **       ** **
check=10-(sum%10);

if (flag == check){
*    * *  *** ***  * ***  **   ** ** *   ISBN");}
*** *** *  * *  *  * ** *    **
*  ** *     **   ***     ** ** **   *
 *     *** *  *   **** *  ***  ***   *** *  ***  ***  *  ***** **  * ISBN");
**    ** *  * * *****  * ** *** *   * *  
 return 0;
}
answered by (-140 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>
#include <stdlib.h>

float main()
{
   *   ** *  ****      *   * * **  a,b,c,d,e;
 **   * **  **** *   **   *     * ** * ******** *     *
  *  ***    *  **     ****  
 ******* **** ** *** ** *
* ** *** ** * *****  ****
  *******     *  * **      *


   ** *      ** **  * ** *** *  (a<=30)
*   **  * * * * ****** *   ****  * *   *     *** *  ** *  ** **        ** * 
**  * ****  *     *   ** *** *  **  ***   ** *   *   *   * (a>30<=50);
  *** ****         *  **     *** *** ****  *  * ** *** ** **   ** ****     **** *   


    if (a<=50)
 * ***** *  ** * *  *****  *     * ** *** **** ****      *  *  * * *******  ** *****   *  
*  ** ***** * *  ** *** * * *  * **** * ** ** (a>50);
  *   * * **  *  ***** ** *****    ******** *****  *** *  *  **   *   ****  *** **  *** 

    if (a<=60)
* ** *  ** *  *** * *****  *  * *   *   *  **    *  *      *  *   ** *  *  **  ** *   ** 
* **  **  ****  * ******  * *    ****      ***** (a>60);
 *****   ***  ***      *** *  **  *   ****  ** * *  * *  * **  *      *   *** * *  *  

  * *   ***** *   * ***   ****    0;
}
answered
0 0
Case 0: Wrong output
Case 1: Wrong 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)
{
*  ***    *    * *    * ***    * **  *** ***** * *  *   * **  ****** *
 *    * * *   *  *    ***    *      ** *  *      *     *  *   *  ** *   *****  * ** *** *** *   * * ** *** * ** * * *** ***  * * ****    *  *****      ****** * *** 

***   ** * ***     * * ***       * *****  **    * ***   ***  * *  *** *** 
 * * ******  ****  *****   * *  *     *    * * 

 ***** * **   * ** ***** *   *
    {
  ****    * ** **  ** * * **   * * ** **  **     * * **     
    }

* * *   ***   ** **  *       *  *
*** * * ** * **   *  * ** * ***
* *  *     ** *  **      *   **   ***   **  ****    *  *  *  ***  ISBN");
 * **** **   ** ***  ***    
 ***   * **    *  **** 
*  ***  ********   * * *** * **
 **** *  **  *  * *  * *    * * * ** * *   *****  * ** *** * *  ** ** * ISBN");
    }
return 0;

}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong 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)
{
**** ** *** *   * *   **  *  *   ***  ** ****  *** ******* ** ****  
*  ***  **** * *  * **** **    *  ***    **  * ***  **    * **   *  * **  ** **  ***    ** *    **** ****  ** * *     * *** ***  *  *   * ***      *  **     * **  **** * *    * *** *** 

   *****  *  ** *  * ** * *     *** * *    ** *  ******     
* * *  ***   * *  * **    *******  *  
    
 *** ** ***  ***  *** *    ***** * ** * 
 * *      * **  *  ** * *
*     **     **** ** **  **    *** ** *  ** *** ** **  ** *** * 
**** *  ****  ****    * *** **

 * *  *  * ******  * **  * * **   
    {
**  * ** *        *  * *  *  *  ***   ** **   *****  ***  ****  * * * ** ISBN");
 **** **       **  **  *** ***  
*  ** *     * **   *** **** *
    {
 **      ***  ** **  *  *  * * ** *    *  *  ***  *  ***    **  ** ***** ISBN");
   * ***   *  ***  **   *   
return 0;

}
answered by (-249 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include  ** *     *  **
int main (){
int a,b,sum,sum1,c=10;
  *  * * **** * * *   ***  **  
 *******  * *** ** * *** * *     
do{
   *  *****  ** *  * **** * 
** ** *  ** **  ** *  *  **** ***  
 **       *   ** ***  *  *
  ** ** * ** *   *    ** ** ***  * ** *   *      * ****
}if(c!==0){
* * *** * **   **   *****
sum1=c-sum;
********   **** ** *** * 
}
   **   ** *   *  * 

return 0;
}
answered by (90 points)
0 0
prog.c: In function 'main':
prog.c:10:12: warning: too many arguments for format [-Wformat-extra-args]
     printf("%d*1+%d*3=",a,b,sum)
            ^~~~~~~~~~~~
prog.c:11:1: error: expected ';' before '}' token
 }if(c!==0){
 ^
prog.c:11:2: error: expected 'while' before 'if'
 }if(c!==0){
  ^~
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
answered by (1.1k points)
0 0
prog.c:1:1: error: expected '=', ',', ';', 'asm' or '__attribute__' at end of input
 test
 ^~~~
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
 * *      *  *** ** **     



int main * 


int  **    **  * *** *    ** * *  ** *** *  * **  


** *    ****   ***  ** ****    * **   * * *  *   ***** **  *  *       **    ****  **** *   * *****  ** * ***** *   * *     **    *      *** * ** **     

*   *  ****** + num2*3 + num3*1 + num4*3 +   * + num6*3 + **** + *   +  * *  +  * + *   ** + * *** 

 ** * *  * ** **

if **  **    *
***** * ** ** **  *

 ***  *  *  ****    *  *   *  *    * *  

}

else if (check != *   

*   *  *** *****  **   *   *  *** **  * **    




*****  0;
}
answered by (-107 points)
0 0
prog.c: In function 'main':
prog.c:11:7: warning: too many arguments for format [-Wformat-extra-args]
 scanf("%13d",&num1,&num2,&num3,&num4,&num5,&num6,&num7,&num8,&num9,&num10,&num11,&num12,&num13);
       ^~~~~~
commented by (4.3k points)
0 like 0 dislike
Hidden content!
* * **

int main(void)

{

int ** ** ** *** * * *** * * *
* *** * * ** * ** * * ** *** ** * ** ** ** * *** ** *** * * ** * * ** * * * * *** * *** *** **** * *** * * *****
**** * ***** **** *** *

check=10-(i%10);
** ** * * ** ****
**** * *** **** ** * ** ***** ISBN");}

  else
* * * ** ** ** * * * * *** * * ** * *** * ISBN");}

return 0;

}
[] - answered by (-32 points)
ID: 33455 - Available when: Unlimited - Due to: Unlimited
edited by
0 1
Case 0: Wrong output
Case 1: Wrong 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()
{
   long whole=0;
 * **        ***** *  *  isbn;
**  *  **        * ** ** *   * **** ******* **  &isbn);
 * *  * *  ****    * *    ** n1,n2,n3,n4,n5,n6,n7,n8,n9,n10,n11,n12,n13;

** ****  * *** *** * ****    * **  **   ***
* ** ** *  ** ** ***  * *  *   **    **   *  ** 
 *      *   **** ** ***  *** ** ***** ***** *
 **  *     *** *   * * ** *** * * *** **  * ******* 
 *  ****   *    *** ****    *  ******* * *   * 
 *     ** * *  ***      ** **  * ** ******    *
 * *     * **** ** **  * * ***         * 
**** ****  *  *    **       ** *** *
**  *  ** *  ***     *  *    *   ** **   *
   **** ***** **  * * * *  * *** **  * 
     *    ***** *  ** * *  *  *   ***       *  
*  ** *     * **   ****  * ** ***  *   
 ** *   * *    *******   **   * 
whole =     ********* **  *****  ** * ***** *   *   *** * ****  *   

printf("%ld", whole);
if (10-(whole%10)==n13)
    ****     * **** **    *  *  **  * * ** ISBN");
    }
** *   *    *   ** **  * * **  
**     * **** * ** *  **   ** **    * *****  ** **    ISBN");
* ** * *    **   *     ***** * ** 

* * *  * * *** *     *  ***    ** 0;
}
answered by (323 points)
0 0
Case 0: Wrong output
Case 1: Wrong 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()
{
   long whole=0;
*   ** *** * *  ***   ***  ****   isbn;
*  *** *  ******* **     * *** **    * *    *  **  *  &isbn);
  * * **   * ***** ** *         n1,n2,n3,n4,n5,n6,n7,n8,n9,n10,n11,n12,n13;

  *  * * *    * **  *  **** *     *    *
  *  ** *  *** * * ***  * *       ***   **** * ***
** **    * ** ***  * * ** *** *  *** * **  *  * **
*  *   ***    ** **  ** ** * **   *** * * *   *** ** ** 
*  ** * * *** *     **** * *   * ***      * 
* *** *  * ** **   ** * * * ** ****    **  *
*   **       * * * *  *   * * *****  * *
 * ***** *  ** *   *  * ** *  * *   *      
   *   ***  * ****   *  * * * *   ** * 
  *** ** **        * ***** *  **  *** *  
***     *  **     **********  *   * ** *****
 * **    *  *   * ** * ****     *** *
 ** ****  **      ** *         *  *  
whole =  **  * **   *** **  ** *  * * ******* * ***  *  *  * * * ** * *
if (10-(whole%10)==n13)
* ******  *  * *** *  **  *****  **  *  *  ISBN");
    }
* **      ***  *** * **  **
 * * **  *** **** ****  *    * * **** **** **  *** ISBN");
 ** *  ** *** ** ** *   ** * *    *   ***

****  * *    **   * **   * *  0;
}
answered by (323 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.6.34
©2016-2024

Related questions

0 like 0 dislike
26 answers
Midterm Question 2 - Makeup
[Exam] asked Dec 9, 2017 in Midterm by thopd (12.1k points)
ID: 36751 - Available when: 2017-11-15 14:10 - Due to: Unlimited | 1.1k 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 | 2.7k views
12,783 questions
183,443 answers
172,219 comments
4,824 users