第二次期中考 -5 11的倍數

Question

若一個正整數的奇數位數字和與偶數位數字和兩者差的絕對值是11的倍數，則這個正整數就是11的倍數，否則就不是11的倍數。

請寫一個程式來判斷輸入的數是不是十一的倍數。

 

輸入說明：

會輸入一個正整數N，N不會超過1000位。

 

輸出說明：

如果輸入的數字是11的倍數就在螢幕上輸出YES，否則就輸出NO。

 

輸入範例：

11111111111111111111111111111111111111111111111111

 

輸出範例：

YES

Answer 1

內容已隱藏
#include<stdio.h>
int main()
{
 * ****   * *  *       ******  *    i;
      ** ***  ****  ** *** * ****** a,b;
     int N[1000];
    
     scanf("%s", N);
     
 **       *** *   **  ** *** ***   ** (i=0; i<=1000; i=i+2)
     {
** ** ** * * **   *     *  **** *   *****  *** **   *  
********  *   **   * * *** *    ** ** ****   *   ***   ** ** = a+N[i];  * *  *** ***  **   * *    *** **    * *  ****  * ** *  *
     }
     
*        *** *** **  *   * * *** * (i=1; i<=1000; i=i+2)
 *  * **   * * **** *  *****  ** * * 
  *  ***  *****   * * ** * ** ***     *     **  * *   **  = b+N[i];
     }
     
   **   **   *    ** ** ** **  (a>b)
     {
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** *   ******    *** **   * **   *    * **  ****   ***** ***  **  
*** * *  ** *   ** **     ***** *      ***  ****  ***   *   **  ** * **** *  *** **    *  *   
* **  ** *  *** *     * ****  *  ** *    * *  * *      ** **
* *     ***   **** ***  ***  **   ** *  ******    *** **
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** ***  **   * *  **   *  *** * *      ***  **** *  ** 
**   * * *** *****   *   *** ******
* *     * **       *     *  ***  **  if (a<b)
     {
****   **    *****   *    ****  **  *   *** * **** ** *   *** ((b-a)%11==0)
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 * * **     **  *    *  *****  *   **  **** *  *   * * ** 
    ***       *     ***  **     *  * * **  **  ** *  **  *  ** *
      **     **  ******* * *** ** *      ** *******   **  **** *  *    *  *   * * ***  ** *****    **  ****** **
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  * * * *    * *  * * *** *  ** *** ** 
  *** *   *  ***  * * ** **** * *  * ***  if (a=b)
*  * ** * **    ***** * *     *   *** **** *** *
***** **** ** * **** * ***** *    *     *  ***  * ****  *  * *     ** **** **** ******      **** *  
 *       ** *  * ***  ********   *  *
* *** **  **  *** ***    **  ****** *  *
*  *  * **   * *  *  *******  ********* ***   *  * * ***** ** *   ** 
* *  ** ***    ***    ** *    ** ****** ** 0;
  *  **** ***      *   **  *** *  *  * ***
}
  * * ***  **** * *** *** * ***** * * * * ***   * * * ****   

Comments

prog.c: In function 'main':
prog.c:8:11: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'int *' [-Wformat=]
   scanf("%s", N);
           ^
prog.c:48:7: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
       system("pause");
       ^~~~~~

---

prog.c: In function 'main':
prog.c:8:11: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'int *' [-Wformat=]
   scanf("%s", N);
           ^
prog.c:48:7: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
       system("pause");
       ^~~~~~

Answer 2

內容已隱藏
#include <stdio.h>

int main()
{
 **  * * **     * *   ** **      *  *  * long long n;
**    *  **   * ** **       *   *  **     ** *   ***  ***  
    {
 **  ** ***   *  *  ** ***   **** * * *     *   ** * *   *  
***   **** *  ** ** * * *     *  **** ****  * *   ** *       *  *    ** * **   ** ***  *** *** *** **
    **** *   *** **    **    *

**    ** **    * ****   ***  0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 3

內容已隱藏
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int main()
{
   **** * **  ***     * **** input[10000];
 ** * * ***     ** *  * * ***   * *** ** *    *     ** * 
    {
  ******* *   ******  ** **   ** ** *  *   *   **   *  *  * * *** i,l=strlen(input),a=0,b=0;
 ***  *   **   *   *    ****      ***** **  *****  * *  * *  ** ** *  
 *    *****      ***    * ***      ***   *     *  **    **  ***  *
 **  *  ** ** *   *  * **   **    *  * * ** * **   *    * *  *  * 
 **   * * ** *        * * **  *  ****  * ** * *     **** **  ****
 *** ** *  *  ** *****  **  ***    ** *** *******  *  ** * ***  * 
  **   *  **   ** ***    * *   ***     *  ** *** * ********** * ** *** ****     ** *        **   *
* *     *** *****  *  * *    *** ****** * **  * * * **   
  *** **** *  *   ***  ***    *    *  ***  ** *  ** **  **** *******  * ** *  *    *** **  ****  *   *  * * ** 
    }
  * *  *    **  *  ** * ****** 0;
}

Comments

prog.c: In function 'main':
prog.c:7:19: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[10000]' [-Wformat=]
     while(scanf("%s",&input)!=EOF)
                   ^
prog.c:14:12: warning: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
         if(abs(a-b)%11==0)
            ^~~

---

prog.c: In function 'main':
prog.c:14:12: warning: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
         if(abs(a-b)%11==0)
            ^~~

---

prog.c: In function 'main':
prog.c:14:12: warning: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
        ans=abs(a-b);
            ^~~

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

---

prog.c: In function 'main':
prog.c:13:12: warning: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
         if(abs(a-b)%11==0)
            ^~~

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output

Answer 4

內容已隱藏
#include <stdio.h>
#include <string.h>
int main()
{
   * *  ****  *   * ***    i,j,add=0,even=0;
  **  * * * ***  ***** *  ****  * a[1000]={0};
   * *  *   * *   *  *** ***    *******     *  * * *   * 






*     *  ****  *** * *** *   * * *  *   **   *   * **  
    {
  * ****   *    *   *** **  **   **  ****     *   * * ***   * ******* 
 *  *******  **  * *  **** *  **  *** * ** **    * *  * **
 *  **    **   ** *    ** ** ***** * *** ** * ***      *

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

  *  *  * ** * *       * **         **    * *   *   **** 
    {
**   * ***  * *    ** * *   *  * **** * **** *   **   *** )
* * * *** ** **** *  ** *   ******  ***** ****  *****     
* * *  ** *  ****  *   * * *   *** *   **    ** **** * *  *

    }

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

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

  * ***** ***    * **** *    * ** if((add-even)%11==0)
  * *** * *     *  *  *   * ** ***     *    *   *  ***  * **    * ****** *
*   **        ****** ***    *
*  ** * *    *    ** * *     ***  *****  * **  * * ** ****  *  ** *   **


*** * ***** **  *     * * * **  0;
}

Comments

prog.c: In function 'main':
prog.c:10:13: error: 'i' undeclared (first use in this function)
     for(n=0;i=0;i<=a;i++) //\xe5\xa5\x87\xe4\xbd\x8d\xe6\x95\xb8\xe5\x81\xb6\xe4\xbd\x8d\xe6\x95\xb8\xe5\x88\xa4\xe6\x96\xb7,a<=10^999
             ^
prog.c:10:13: note: each undeclared identifier is reported only once for each function it appears in
prog.c:10:21: error: expected ')' before ';' token
     for(n=0;i=0;i<=a;i++) //\xe5\xa5\x87\xe4\xbd\x8d\xe6\x95\xb8\xe5\x81\xb6\xe4\xbd\x8d\xe6\x95\xb8\xe5\x88\xa4\xe6\x96\xb7,a<=10^999
                     ^
prog.c:12:18: error: invalid suffix "n" on integer constant
       if(c=a/10^(2n))
                  ^~
prog.c:17:22: error: expected ')' before ';' token
      for(n=0;i=0;i<=a;i++)
                      ^
prog.c:19:38: error: invalid suffix "n" on integer constant
                           if(d=a/10^(2n+1)
                                      ^~
prog.c:20:27: error: expected ')' before 'even'
                           even+=d;
                           ^~~~
prog.c:21:5: error: expected expression before '}' token
     }
     ^
prog.c:25:1: error: expected '}' before 'else'
 else
 ^~~~
prog.c: At top level:
prog.c:28:2: error: expected identifier or '(' before 'return'
  return 0;
  ^~~~~~
prog.c:29:1: error: expected identifier or '(' before '}' token
 }
 ^

---

prog.c: In function 'main':
prog.c:6:12: warning: zero-length gnu_printf format string [-Wformat-zero-length]
     printf("");
            ^~
prog.c:7:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(a);
     ^~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
prog.c:14:16: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<=strlen(a);i=i+2)
                ^~~~~~
prog.c:14:16: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:14:16: note: include '<string.h>' or provide a declaration of 'strlen'
prog.c:22:17: warning: incompatible implicit declaration of built-in function 'strlen'
      for(i=1;i<=strlen(a);i=i+2)
                 ^~~~~~
prog.c:22:17: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccEDkE9I.o: In function `main':
prog.c:(.text+0x51): warning: the `gets' function is dangerous and should not be used.

---

prog.c: In function 'main':
prog.c:6:12: warning: zero-length gnu_printf format string [-Wformat-zero-length]
     printf("");
            ^~
prog.c:7:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(a);
     ^~~~
In file included from prog.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
prog.c:14:16: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<=strlen(a);i=i+2)
                ^~~~~~
prog.c:14:16: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:14:16: note: include '<string.h>' or provide a declaration of 'strlen'
prog.c:22:17: warning: incompatible implicit declaration of built-in function 'strlen'
      for(i=1;i<=strlen(a);i=i+2)
                 ^~~~~~
prog.c:22:17: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccuq6Kb5.o: In function `main':
prog.c:(.text+0x51): warning: the `gets' function is dangerous and should not be used.

---

prog.c: In function 'main':
prog.c:6:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%s",&a);
             ^
prog.c:13:16: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(i=0;i<=strlen(a);i=i+2)
                ^~~~~~
prog.c:13:16: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:13:16: note: include '<string.h>' or provide a declaration of 'strlen'
prog.c:21:17: warning: incompatible implicit declaration of built-in function 'strlen'
      for(i=1;i<=strlen(a);i=i+2)
                 ^~~~~~
prog.c:21:17: note: include '<string.h>' or provide a declaration of 'strlen'

---

prog.c: In function 'main':
prog.c:7:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%s",&a);
             ^

Answer 5

內容已隱藏
#include<stdio.h>
int main(void)

{
 * ** ** ** ** ** ** *******  *  num[1000];
   ** **   * *   * *  ** * * i,a,b;
*  **    *   *  *  ** **  
* *   * * *  *****  *  *** ******* * *  a number:");
  ** * * *   * ** ***  *   *    * = 0; i<1000; i+2)
     * *  * ******  ****** *
  * ***** ** *   ** *** ****   += num[i];
*   * *      *  **   ** * *  * += num[i*2+1];
***  *** *   *** *     
      ** * ***   ** ** * 
**  * *    * ** *   * * *  ** * **  ** == 0)
   *     * * **  ** * ** *  *   **  * ** ****
   *** *  ****  ** *** **    
 **** * *   *  * *** ** ** *  
** **  * *** *  * * *****     **   *   *      * 
**  *** ** ****    *  *** *** 
*** * *** *    * **  * *   **   0;
}

Comments

prog.c:1:2: error: invalid preprocessing directive #inlude
 #inlude<stdio.h>
  ^~~~~~
prog.c: In function 'main':
prog.c:8:5: warning: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
     printf("Enter a number:");
     ^~~~~~
prog.c:8:5: warning: incompatible implicit declaration of built-in function 'printf'
prog.c:8:5: note: include '<stdio.h>' or provide a declaration of 'printf'

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 6

內容已隱藏
#include<stdio.h>
int main()
{
*  *** ***  * *  *  ***    x;
  ****  **  *  *    * ***  *  *    ***    *     enter a number\n");
  * *  ****  * * **  **   ***   * * * *    ****  ** **  
*   *   *  ***   * * ***     * ** ****
* ** ***  ** ** **  * **       ***  ***  ***** *  **  * * **     *    **  *  **** 
*** ** ******* *  ** ****** *  * *****  ***  * * ** * ** * * 
*  * * ** *      * * ** **     **     * * * *   *    * **     * * ***** * *  ** ** * * *   * * **   ****
    
*  *********  **** ** *   ***
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

Answer 7

內容已隱藏
#include<stdio.h>

int main()
{   
  *  **** * ****** *  ** ** * ** a;
*   **   * * * * ***    *****  *** * *       your number:");
* **  ** ***** * *** ********    *****  *** * ********
*   *    ** **  ******* *  *** ***   % 11 == 0)
   ******  ******       * ****   * *** **** * 
**      **  ** *  *  *** **  
 ***   *  ** ***  *   * *  **** *  *** ***       * **
**   *** ** ******  ***   
 *  **  *      ****   ** **  * *   *  ***** ** **
  * * *   **  *     * ** *        0;
}
 *    *  *        *    **

Comments

prog.c: In function 'main':
prog.c:13:5: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
     system("pause");
     ^~~~~~

Answer 8

內容已隱藏
#include<stdio.h>

int main(){
*   ****** **    **   ** *  
* * * *****    ***  *** ** ***** * num;
 * ** *** ** **  *   ***    
  ***  *  *  ***** ****    * **** ** * * *** ****** **  ***
*   **   *   ** ** * * ** *   * *
    
*****   ** *  ****   ** ** * ** ** ** ***
* ***  * *     *     * ** *   * * * * ***    *  ** *
 * * ***  ** **** *   *     ****** *  ***  *
* * *    * ** * **  *   ****** *  **  ***** ** * ********

   *       *****     ** **
* * *  *  ***   *** ***  *    *
}

Comments

prog.c: In function 'main':
prog.c:8:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%s",&ch);
             ^

---

prog.c: In function 'main':
prog.c:8:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%s",&ch);
             ^

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output

---

prog.c: In function 'main':
prog.c:8:13: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
     scanf("%s",&ch);
             ^

---

Case 0: Wrong output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output

Answer 9

內容已隱藏
#include<stdio.h>
#include<stdlib.h>
int main(void)
{
* *     *  **  ** *****   ** in,a;
  * ** **        *   **   ****  *********** * **  * **   ***
** * * *  *  *      *   **   
** ****  ** *  * *  *** *  **    
 ** **  ** * ***   * * **  **  
*   **  *  *   **   *** **  **
  *  *  * *  *** *   *    *  ** *    * *  ** ** * *  * *** ******
 * **** *  * * ** * *   * **  *****  *     ***  ***
 **   *** * *  * * ***  ** *  if (a!=0){
***  ****   **    * *    ** * ** * * * ***  *  ** **     ** **  *** ** * * * *  * 
    **** *     *** *    * *  *  *** * *   ***  * **   * *****  
* ***   * *** *   *     * 
system("pause");
return 0;

}

Comments

prog.c: In function 'main':
prog.c:6:14: warning: format '%ld' expects argument of type 'long int *', but argument 2 has type 'long int' [-Wformat=]
     scanf("%ld",in);
              ^

Answer 10

內容已隱藏
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
int main()
{
***  ** * **  * ****  ** *** ** *** j, k = 0, l = 0;
  ***   **  *  *   ** *****  str[10000] = {0};
    * *  * *   * * ** **** * ** * ****** * str);
* ***   *   *  ***  * ****    = 0;j < strlen(str);j ++)
 ****** *   ***  ***** ****  ** *
* ***   * **     **   * ** * *     *  *   ** ** ** * *** *  % 2)
 **      *  ** * ****** *  *       *** **  ***  ***  *
 ***      ** ** ****   ***  *  ******    **   *   **  * *   ****** * ** **   += str[j] - '0';
  ******** ***  *** *** ***  **  *     ** ***  *  * *   *
** ** ** *     ****    ****  *   *** ****** ** ** **** ** *
*   *** ****** *  ***  * **  *** *  ** *** ** * **** 
**   * *   ******************** *  ***   * * ** *  **  *  *    ***  * *  ****  += str[j] - '0';
 *    ***  * *  ****   * *    *  *   **  ***** ***** **
* **      *   ***   ****  *
*    *  **  ** *  *  * *     *    ** - l) % 11 == 0)
*  ** **** ** **  ** *   *  **       ***** ***   **    *  *  * *   ** * *
* ***  **   * ** *  * * 
* *   *  * * **  ** ** ***  *** *** *     *  **** **** *    ** *  **  *** **    
}

Comments

Case 0: Correct output
Case 1: Wrong output
Case 2: Correct output
Case 3: Wrong output

---

-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output