Midterm Question 2

1 like 1 dislike
8.4k 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: 32706 - Available when: 2017-11-15 14:10 - Due to: Unlimited | 8.4k views

49 Answers

0 like 0 dislike 
Hidden content!
#include *** **   **** *
#include    ** ****   * ***

int main()
{
  ** * ***     *   * * **    *  *****  ***    * *** 
         *** *** * ** *** *****     ** *   *** * ***    *  *   ****  *** ***  ***    ***  **** ** * *       ***** ** ****** **    * * *    ****   *  * *** *    ***
    *     * *  ***   *    ***** * *  + b*3 + c*1 + d*3 + e*1 + f*3 + g*1 + h*3 + i*1 + j*3 + k*1 + l*3;
  *  * * ** *** ** * ** *  **  * *** ***   **
  * *  **     ****** **   ** (ans==m)
*   *   **  * * *  **   ** **  ***** *    ISBN");
    * * *   *  **   *  *  * **
   ** **  ** *** *   ** * *  * ***** ****  ** ISBN");
* *   * * *** *****    **  * * 0;
}
answered by (-258 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 ** ** ** * *** 

int main()
{
** **  * * * **    whole;

* *** ** * **    *** *    * *    ****      *  *  * *** * * *
* ***   *  *    ** * * *  ** **** *   **    *   * ***      * ***** * ** *  ***  ** *****    ***   **  *  **    &n6, &n7, &n8, &n9, &n10,   * ***  ** **  &n13);



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

int temp = whole%10;


if * ** ** *
*** ***** *** *** *****
*** *******   * *  **    ***  * * ** *  **        **  * ** *    ISBN");
       * * **    * ****    **
***   *  *  ******** ************ * **
* *  *    *   ***    *** ** ***** *  * ***
*  *** *    *   ** *  ** * * * ***   * *** * **  *  * **** *** ** ** * * ISBN");
 * **  ******** **** *   * ***      **

  *** **   **  ** *  * **    ** 0;
}
answered by (323 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  **   *      *

int main()
{
     *** ** **  **** ****  whole=0;

* ** * * *  **  *  **** **  * ** *  ** ***  *   * *  ***
* * **  *   *** * ** *   * *   ***  **** ******   *  * ***     *  ****   * *  *  *  **     ** *  ***  *  &n6, &n7, &n8, &n9, &n10, ** **    *  * &n13);



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



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

*  * * ***** ****   *     0;
}
answered by (323 points)
0 0
prog.c: In function 'main':
prog.c:8:11: warning: too many arguments for format [-Wformat-extra-args]
     scanf("%1d1d1d1d1d1d1d1d1d1d1d1d1d", &n1,&n2,&n3,&n4,&n5, &n6, &n7, &n8, &n9, &n10, &n11,&n12, &n13);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
***   *  **   *** 
main()
{
long int     **   ** ***   ** *
*** ***  ** * * **  input ******** **
  *    * ***  **  *** ** *   *
if ***  * *   *  * * 
***  *** * **  ***** **** **   **  *  ** ** **
if *   *  ***
  * *** ****** * **   *      *    **** *  ****   

***   *** ** ****  *
*     ** *  ** ***   
 *    ** ** * **  **
 ***   ********  *** * 
  ****  ** *  * *  ** 
*  ****** * * *  **
**   **  ******   *
****       ** * 
***  *  ** *
* * *** ****  
 *      ****
m==a%100/10;//2
n==a%10;//1

            *   * *  *
o==10-(sum%10);

if (n = o)
{
 *** **     *  * **** **  **   ****    *  * * ISBN");
}
if (n != o)
{
* *** * *** * **     ** *** *** *  *** * ISBN");
}
return 0;
}
answered by (-32 points)
0 0
prog.c:2:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include *   *****    ****

int main(){
* * *    **** * long long int n;
 *******   int temp=0;
* **       int n1=0,n2=0;
 *** *   *  *   int value[13];
***  ** *   int i,j;
** **  **   int check;
**     *   int value2;

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

 ****     ** for(i = 0; i < 13; i++){
      ***  ** * *******  * *** **** *****   **  *  **** *  = n%10;
  *   *   *  * * *  *  ***   *  ** * ****   * ***  *** = temp*3;
      * * *******  * **          ** *  *       * ***  **

*   **   *  **  ** * **** *  **    *  ** * ***  ***   * **  = n%10;
 *    *  * ** *    * *  **   ** *  ***  *  ** * **  = temp;
 * * **   * * **** * ***  * ***** ***** *** **  * * ** * **
 *   * *    ******  * ** *  *** ****   * **  * *    ** = *    **    
 ***** ** ****** ****  ** * ***   **  ***       *** *  **   *
*** *    }
** * *  *** *  ** ** *   **  ** *****    *  * * *  * value2);

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

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


   **** **    return 0;
}
30/100 answered
0 0
prog.c: In function 'main':
prog.c:12:10: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long long int *' [-Wformat=]
  scanf("%d", &n);
          ^
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:5:10: warning: too many arguments for format [-Wformat-extra-args]
    scanf("number",&a);
          ^~~~~~~~
prog.c:6:11: warning: too many arguments for format [-Wformat-extra-args]
    printf("Valid ISBM",a);
           ^~~~~~~~~~~~
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main()
{
 *    ***    ***** **** ** ** a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, sum1,sum2, sum3, check;
   ** **   **  **  ** ** *** * ** *    *      * ** * ***      *****    * *       *  *  ***     * **    **   *   ***   ** * ** *** ** * *   ****     *  *   *       **  ** ** * ** **  *

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

  **  * ****    **   * *** *  * * sum1+sum2;
** ***  *** **** * * * * **  *   10 - (sum3%10);

**** * ** *** *  * *  ***  *   *****
***** * **  ***  ** ** *  * *  
** *** ** **  ***   **   **  **** ** *  *  ****** *  **** *  * ISBN");
 *  **   ***** *   **     * **  
 **   *     *******        * * *
* * *****  ** *   ** *  ** 
 *** ** ***   * **    *** *** *  ****    *****     **** *** ** *  *** IBSN");
*  * ***  ****  *  *   * * 

** ***** ***   *  **   *   *  * 0;
}
20/100 answered by (-233 points)
0 0
prog.c: In function 'main':
prog.c:5:14: warning: format '%ld' expects argument of type 'long int *', but argument 2 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
              ^
prog.c:5:17: warning: format '%ld' expects argument of type 'long int *', but argument 3 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                 ^
prog.c:5:20: warning: format '%ld' expects argument of type 'long int *', but argument 4 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                    ^
prog.c:5:23: warning: format '%ld' expects argument of type 'long int *', but argument 5 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                       ^
prog.c:5:26: warning: format '%ld' expects argument of type 'long int *', but argument 6 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                          ^
prog.c:5:29: warning: format '%ld' expects argument of type 'long int *', but argument 7 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                             ^
prog.c:5:32: warning: format '%ld' expects argument of type 'long int *', but argument 8 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                                ^
prog.c:5:35: warning: format '%ld' expects argument of type 'long int *', but argument 9 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                                   ^
prog.c:5:38: warning: format '%ld' expects argument of type 'long int *', but argument 10 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                                      ^
prog.c:5:41: warning: format '%ld' expects argument of type 'long int *', but argument 11 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                                         ^
prog.c:5:44: warning: format '%ld' expects argument of type 'long int *', but argument 12 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                                            ^
prog.c:5:47: warning: format '%ld' expects argument of type 'long int *', but argument 13 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                                               ^
prog.c:5:50: warning: format '%ld' expects argument of type 'long int *', but argument 14 has type 'int *' [-Wformat=]
     scanf("%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld%ld", &a1,&a2,&a3,&a4,&a5,&a6,&a7,&a8,&a9,&a10,&a11,&a12,&a13);
                                                  ^
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{

** * * **  *  **** **  **   isbn;
 *    ** ****    * **  **** *  ** s1;
   ** * **  *      *      ** *  s2;
**  **  ** *   *** *  *  *    ** s3;
**  **    **  **  **  *** *** * s4;
 * *** * *  *** *     * * * **  s5;
  * ***  *  **  * **  * *    s6;
*  * * ** *     **    ****  * ** s7;
**** * *****   **   * * *** s8;
   * * *** *  ** * *  *  *  s9;
     ** * ***    **  * *    * s10;
** **    **  *  ***** * * ** ***  s11;
**  ******   ***     *    * * s12;
***  *   *  * **** *   **   s13;
    int check;
* *******   *** ** ** * **    sum;

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

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

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

* **** * * ****  **  ** ****  * =(10-(sum%10));

 **  *** **  *   * * * *  * * == s13)
    {
****  **** *  *     ** * *  **  *   ******* ** **** * *    **   * * ISBN");
    }

* ***  **   *  **   ** * *   
    {
  ** ***     * *   ***   * ** ** ** * *******    * ***** *  ****   *  ISBN");
    }

 *** *  *  ** * *     * *  * *  **  *** * **      ** ***  * *   0;
    }
answered by (-193 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>
#include <conio.h>

int main()
{

**  *    * * *   ** ** ** *    *  isbn;
 *  *   ** ****  * ****    *** s1;
   ** *****  ****** *  **   **  s2;
**   *  *   *   *    * **** s3;
*   * * ** *    *** * ******   s4;
   ** * **      *  ** ****  **  ****  s5;
    *   * *   ** *****    *    *** s6;
**** ***     * ** *** *   * ** s7;
 ******  *  * ** ****  * ***  s8;
*** **** **** ***      * **** s9;
 * *** *** **** ** *  *   s10;
* * **      ***       ***     ** s11;
* ** *   **       * * * *      s12;
 *   *  ** **   *     ** ***   * s13;
 *   *  ****   ****  *** **  ** * check;
    int sum;

*     ***    **         ****   *             ** **  &isbn);

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

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

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

*******  *  *   **   *  **  * * == s13)
    {
****  *** ***  ***** ******   **   * * *** * **   *   *   **   ** ** ISBN");
    }

 * ** **   **   ***  * * **  
    {
* ***   ** *   * ***  ** ** *****   *  * ***   *  *   *    *       ISBN");
    }

*** *   ***** ***    **      *** ** *    **** * * * **** * 0;
    }
answered by (-193 points)
0 0
prog.c:2:19: fatal error: conio.h: No such file or directory
 #include <conio.h>
                   ^
compilation terminated.
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
    int n1,n2,n3,n4,n5,n6,n7,n8,n9,n10,n11,n12,n13,sum,check;
 *  *  ** * *    * **   ** *   *   *    ** *  ** *    * *  * * *     *** ** * *** * * ** ****  ******** * *****  ****     ***    *****  * **   *  *  ** * ***   **   ** *  

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

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

  ******** *  * * **  **  * *  **   *  ** *  ** ** *** ***** ***     *
*  * ** **   *    * ***  *  ****   *** ****       **  
* **      **  **  ***    ****** *     *     *  ** ***      *  *   *** ****    **** **    *  * *  **  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)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.70.100.82
©2016-2025

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 | 5.4k 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 | 13.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users