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];    * *    * **** * ** *   * *   ****  *      **  * *******
     }
     
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 **  **** *  ** *  *  *  ***  *  * 
 ****** * *  * ** **    *  *  **   *  **** *  **  **  * **  * * * **** = b+N[i];
     }
     
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     {
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     {
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  ** * ****  *      **   **     ***   *
** * *    ** *** ** * *  *  * *    **  * **** * ** if (a=b)
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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;
    * *     **     *   ***       * * ******   *     * 
    {
*   * *  *** *  * * ** * ****    * **  ***      * * * ***
  * *  * ****** ***      ******  ** ***  *  **   **  * *  * ***** **  **** **  *  **  **  ***** ** 
 *   *****  **  **   *  * ** **

** * *** ***** * * *   * * *  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()
{
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   ** *    ** * *   **   **  ***** **    *****   * ***  * *  **
    {
*******   *  *** **  *** **** ****    ** *       * i,l=strlen(input),a=0,b=0;
**  *** *  ** *   **    * ****    * ** * **** **** * * ***        * * **
* *   ***     * **  *    * ***********   ***  * * ******  *** * 
   * * *   * **  * ** *  **  *   ** * ** *    *  * ** **    * **    * * *  ***
   *   *     *** * * ** ** ** * ***     **  *  * **  *   * *
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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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* ***  **  ***  * * *  * ***  ** *  * ** *  **   * * 
     ***** * **  ***** ***  *  * ** *   ** *   *

    }

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

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

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