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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* ** ***** ** * * *      ****   ** a,b;
     int N[1000];
    
     scanf("%s", N);
     
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     {
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  **  ***  **   *  * *** ** * * * *  * *  **  * **** ** *     **  = a+N[i]; * **    ***** *    ** * *  **     ** * ** * * 
     }
     
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*  * *** **  **** *   *** *   *** *****
   **** *  ****   **   *** ****   **  *  ***** * *   ***** *       = b+N[i];
     }
     
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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: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;
  *** *  ** * ** *   ***** * * *  ** ** *****  * *  **    
    {
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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];
 *     * *  *      * ***  ** *   **** *** ***   *   **  
    {
**  ***  * *   * ****** * * * * *** * *     *  * * ****  *** ** i,l=strlen(input),a=0,b=0;
*   ** *  ** ****** ** ****   **** * * ** ** ****  ****      ** *  **
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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()
{
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  ****  *******  **** *  *   *** a[1000]={0};
* *    *   *  * *****   *** ***   **  ***** ** * **  






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

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

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

    }

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

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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

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