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

Hidden content!
#include<stdio.h>
int main()
{
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*  **   *** *  **    ***   ** ***  a,b;
     int N[1000];
    
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     {
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     }
     
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     }
     
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}
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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

Hidden content!
#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

Hidden content!
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int main()
{
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    {
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    }
 **  *   * ******   *  **** * 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

Hidden content!
#include <stdio.h>
#include <string.h>
int main()
{
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    ** **  **       *  *** * * ** a[1000]={0};
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*      **  ***** ** *** *   **** **    **    *
    {
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*** *  *****   *  * ***  ***** *    ***** *  *  **** 
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    {
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* *******   ** * *   *   *  *  *   ***  *** **   **  *

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

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

Hidden content!
#include<stdio.h>
int main(void)

{
*    *  ** * *   **  *** *   * num[1000];
* *   ***  *   *******  * i,a,b;
*       ***  *** *  * *  ** * 
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*    *   *** **   * **    *   *  = 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

Hidden content!
#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

Hidden content!
#include<stdio.h>

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

Comments

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

Answer 8

Hidden content!
#include<stdio.h>

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

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

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

Hidden content!
#include<stdio.h>
#include<stdlib.h>
int main(void)
{
***  ** * * *      ** **  *** **** in,a;
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** **  *  **** *****  *    *    
******   * *  ** * *     
* ****  ***  *   **     **  * ****  ***
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 *  ** *    *** ** **** * ** * **  *       ** *   
* *  ****  **            *    **   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

Hidden content!
#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 ++)
 *** *** * **    *   * *  * 
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    **    *  * *   * **** * * **  *  *****  ** * ***   ** 
* ******* **    * *****  ** *   * ****   *       ****    *  ****  *****      ** += str[j] - '0';
*** **  *********  ** *  * *  * **    ** ** *     * 
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  ****  **  * *   *     * ***   ** *     *   *   *  *
*  ****  ***   * * **** *   * * *** *   * * ** * **  ****** ** *  **  **   += 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