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()
{
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     int N[1000];
    
     scanf("%s", N);
     
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     {
 **  * *       ***    * *******  *** * * ***  *   **  **
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     }
     
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***       *** **  * *   *    *  
*     *    ******  *** *** * ****  *  * **  *** * ****   **     * = b+N[i];
     }
     
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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

內容已隱藏
#include <stdio.h>

int main()
{
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**** * ***   ** ** ** *  * * **** * *  *   ** ***** * *    
    {
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  **   ***  * ***   **** **

 *   *  **      **** * *** **  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];
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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

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






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

***     *  *      * * ****

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

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

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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

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)
****** *   * *  *      * *  ** *** **  **  ** 
    *    *** **** * *   *  * 
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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

內容已隱藏
#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

內容已隱藏
#include<stdio.h>
#include<stdlib.h>
int main(void)
{
**** * * *  **  * ** * * * ** *  in,a;
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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

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