[AD] 20171116 作業 1

Question

迴文判斷

迴文是指一個字串從前面讀過去跟從後面讀過去是一樣的

所以 abcdcba 是一個迴文

請寫一個程式判斷書入的字串是不是迴文

輸入說明：

會輸入一個字串，字串中間不會包含空白字元

輸出說明：

如果輸入的字串是迴文，請輸出YES，反之則輸出NO

輸入範例：

abcdcba

輸出範例：

YES

Answer 1

內容已隱藏
 *    *****   ** ***
******   * *  * ***   * * 
**  ** 
int  * ****
{
*       ** * char ****  =   **
   ****
*   * *   **     **    *** *  ** a);
****        * int x =   ** *
** ** *
**        ****   int i,   * 
****** *  **** * *  for(i = 0; i ***  * x / 2 ; i++)
***  * *    *** {
*   ***    * **  * ** ******* *  ** == a[x - i - 1])
  * ***  * * **            * ****  **  *** ** *  * flag = 1;
 **** **  **   * ***  *        ** *  else
 ***   *  *   *     **   * {
* **      *  * *     * ** **   *   **   *    flag = 0;
*** ** *** *   ***    *   **   **   *  ** ** *  * *
   **  **     * ***** **** * *  }
*  ***  * ** }
**** *** ** ***  *  * ** == 1?   *** *   *     :  *     *******
  * * * 
*****    *   ***     **  0;
}

Comments

prog.c: In function 'main':
prog.c:7:4: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
  x=strlen(a);
    ^~~~~~
prog.c:7:4: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:7:4: note: include '<string.h>' or provide a declaration of 'strlen'

---

Case 0: Correct output
Case 1: Wrong output

---

Case 0: Correct output
Case 1: Wrong output

---

Case 0: Correct output
Case 1: Wrong output

---

prog.c: In function 'main':
prog.c:6:10: error: stray '\357' in program
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
          ^
prog.c:6:11: error: stray '\274' in program
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
           ^
prog.c:6:12: error: stray '\235' in program
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
            ^
prog.c:6:13: error: stray '\357' in program
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
             ^
prog.c:6:14: error: stray '\274' in program
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
              ^
prog.c:6:15: error: stray '\202' in program
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
               ^
prog.c:6:16: error: stray '\357' in program
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
                ^
prog.c:6:17: error: stray '\274' in program
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
                 ^
prog.c:6:18: error: stray '\202' in program
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
                  ^
prog.c:6:7: error: array size missing in 'a'
  char a[]\xef\xbc\x9d\xef\xbc\x82\xef\xbc\x82;
       ^
prog.c:11:23: error: stray '\357' in program
      for(j=x-1;i<j;j--\xef\xbc\x89
                       ^
prog.c:11:24: error: stray '\274' in program
      for(j=x-1;i<j;j--\xef\xbc\x89
                        ^
prog.c:11:25: error: stray '\211' in program
      for(j=x-1;i<j;j--\xef\xbc\x89
                         ^
prog.c:12:6: error: expected ')' before 'if'
      if(a[i]==a[j])
      ^~
prog.c:24:2: error: expected expression before '}' token
  }
  ^

---

prog.c: In function 'main':
prog.c:6:9: error: stray '\357' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
         ^
prog.c:6:10: error: stray '\274' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
          ^
prog.c:6:11: error: stray '\221' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
           ^
prog.c:6:12: error: stray '\357' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
            ^
prog.c:6:13: error: stray '\274' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
             ^
prog.c:6:14: error: stray '\220' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
              ^
prog.c:6:15: error: stray '\357' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
               ^
prog.c:6:16: error: stray '\274' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
                ^
prog.c:6:17: error: stray '\220' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
                 ^
prog.c:6:18: error: stray '\357' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
                  ^
prog.c:6:19: error: stray '\274' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
                   ^
prog.c:6:20: error: stray '\220' in program
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
                    ^
prog.c:6:7: error: array size missing in 'a'
  char a[\xef\xbc\x91\xef\xbc\x90\xef\xbc\x90\xef\xbc\x90];
       ^
prog.c:11:23: error: stray '\357' in program
      for(j=x-1;i<j;j--\xef\xbc\x89
                       ^
prog.c:11:24: error: stray '\274' in program
      for(j=x-1;i<j;j--\xef\xbc\x89
                        ^
prog.c:11:25: error: stray '\211' in program
      for(j=x-1;i<j;j--\xef\xbc\x89
                         ^
prog.c:12:6: error: expected ')' before 'if'
      if(a[i]==a[j])
      ^~
prog.c:24:2: error: expected expression before '}' token
  }
  ^

---

Case 0: Wrong output
Case 1: Wrong output

---

Case 0: Correct output
Case 1: Wrong output

---

Case 0: Correct output
Case 1: Correct output

Answer 2

內容已隱藏
  * *  ****  *  ** **
**** ** *** *** * * 
int main()
{
 *   *   **   *  char a[100];
 * *         *     * *  ** **  * *** ** *  * **  
 * *  * ****  {
 ***** *    **  * ***     **  *  int * *   *
  *** ****    ****  ** **    ** ****  **
*    ** * *****  * * *  * *   int test=y/2;
** *** ***   *        **  ** *   **  ***  ** 
  **   * ** ** *   {
 *** ***        ****     * ***    
 ** **** *     *           * ***    ** *  *   **   * *  c++;
 **** **   * *   *  * * ** *** *    *    *  * *     else
 * **  **  *   * ** *    **** * * **  ***    *  *  *  *  c=0;
* **  *  * *   *     * * * **     }
 *** * *  ** * **     ** *    **   **
*  ** ****  *  *** *  * * *  *    ** ***   * *   *   ** *** 
***** * ** * ** ** * * * *   * else
 *   ** **   *     * *    *** ***  **    *     *  ** *    **    * * *
** * **    *   * }
****  *  *     return 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output

---

Case 0: Wrong output
Case 1: Correct output

---

Case 0: Wrong output
Case 1: Correct output

---

Case 0: Correct output
Case 1: Correct output

Answer 3

內容已隱藏
#include    *   **  * * *
#include *** **   * ** *  
 
 int is_palindrome(char *s) 
 {
 *   * *  ***   * * **     i, len;
* **  *    *   ** *  **
 * *** * **  * **  ****** = strlen(s);
  ** ******** * * ** *
*   * *  **    *** *** = 0; i < (len /2); i++) {
 ****** * **  ** **   ***   **  * ** (s[i] != s[len-i-1])
*   * *  **  * *****   *  ** ****    ** * *    * * *    0;
*           *  * * **
 ****   *** **   
* ** ** **** * *     **  (i >= len/2)
  *** ****   * ** ** * * * *  * *    ** * **** 1;
** * *   ** **  *   ***
 **    **  ** * *  *  * ****    *** * 0;
 }
 
 int main() {
** ** *   **   ***  ***    s[256];
         ** *   *
** ** ***  ***** * *  * * {
*   * ** ***  *** ***  ** ** * **** **  *   *
**  * ** * **   ** * **  *     ** *
** *  * ***   * **    *   *** *   *   ***  *   (is_palindrome(s))
**  **  *   *****   ** ** ***  *   *** ***    ******** ****       s);
    * *** *   ***** **  **   **  **** * 
*  ***  * *  ******** ** **   **  *** * **  **  * *  *  **   *  ***** s);
 ** ** *  *   **** * *
*** *  * *** ** *   ** *

Comments

Case 0: Wrong output
Case 1: Wrong output

---

prog.c: In function 'main':
prog.c:25:6: warning: 'gets' is deprecated [-Wdeprecated-declarations]
      gets(s);
      ^~~~
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:28:15: warning: too many arguments for format [-Wformat-extra-args]
        printf("Yes\n", s);
               ^~~~~~~
prog.c:30:15: warning: too many arguments for format [-Wformat-extra-args]
        printf("NO\n", s);
               ^~~~~~
/tmp/ccSNkWCs.o: In function `main':
prog.c:(.text+0xae): warning: the `gets' function is dangerous and should not be used.

Answer 4

內容已隱藏
#include  *** **  *      
#include    ********  *
int main()
{
 *  **  *   ** char * ** *** *   
*** * **  *    *** int i,j,z;
* ***  * ****  ***** **  *  ** **   *   *  *
 *** *   ****  i = **** * 
**    **   *  **   for ( j=0;  **  ** * * *** )
    * * **** {
    *   **  *  **   ** *    ** *  * **   if(str[j] == str[i - 1])
* * * * * *   * ***   *** **  *     *  * *  ** * ** {
 **** **  ** *   **  **       * * * *  * ****  * z = 1;
 *     *  **       ***   * *   * } 
    ** *    *   **    *  *  **   str[j] != str[i - 1] )
 *     *     ***  *  * ***** **  ****  * ** **  *
  **   *  ***           **  **  * ** **   ** * ****     * * *    *
** ** *      *****     * *  ** * ***    *   ******   *******    = 0;
  ***      * ***** ***** ** ****** *** *    *  ****** * * **   
 * *         *  * *   *   *  ****** * ** ***** * ***
 *  **** **  **  *  * * **  **
 ***   * *****  if (z == 1)
        * ** **       *   ***  *    **     **** *
   *  ** * *     **** *  **
**   **  ***   ** *** * *   *** 0;
}

Comments

prog.c: In function 'main':
prog.c:7:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
  gets(str);
  ^~~~
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__;
              ^~~~
/tmp/ccB79V4N.o: In function `main':
prog.c:(.text+0x3c): warning: the `gets' function is dangerous and should not be used.

---

prog.c: In function 'main':
prog.c:7:10: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[1000]' [-Wformat=]
  scanf("%s",&str);
          ^

Answer 5

內容已隱藏
#include <stdio.h>
#include <string.h>
int main(){
* * *** *    ***** *   *** **** s1[500];
 *  **  ** *   * *   ***    ** **  i,j;
  **   * ******* ** ***** **  * *  *  *     *****  
   ** *** *     ***  ****   k=strlen(s1);

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

Comments

prog.c: In function 'is_palindrome':
prog.c:6:10: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
    len = strlen(s);
          ^~~~~~
prog.c:6:10: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:6:10: note: include '<string.h>' or provide a declaration of 'strlen'
prog.c: In function 'main':
prog.c:22:6: warning: 'gets' is deprecated [-Wdeprecated-declarations]
      gets(s);
      ^~~~
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__;
              ^~~~
/tmp/ccxt7lC3.o: In function `main':
prog.c:(.text+0xae): warning: the `gets' function is dangerous and should not be used.

---

Case 0: Wrong output
Case 1: Wrong output

Answer 6

內容已隱藏
#include <stdio.h>
#define N 20


int Cycle(char *s);


int main()
{
 * *   **  *** ********* **  *  s[N];

* *****  **   *** *   *  *****  
** ***** *      ****** *  *     ****    ***  ***  ** **  *******  * input word\n");
  *** **      **  ****  *   ** *   *   * *  * *       *    **  ****  * **   ***  *   * ***

 *  ***  *** **  **  * ****  ***  ** ** *   ** *** **  * * == '^'){
 ** *  * ***********   * *  **   **   * * ******** *** **       *   * *  *      **    ** * ** 
 * ****  ***  ** ** * *    * *  **  **  **          *  * **

 * **** * * *  * *    * *  *** *  **   * * ****   *  * *** **
  *  * * ** *   * *****  * **** ** * *** ** ** ***  * *    *** * * * *  ***    **     *  yes!\n",s);
  ** *    ** * *****  **   ** *** **** **** **** ** 
 ** *    ** * *  *  *  * **  ** ****   *********    ***  *** *  **    ****  **  *   *  * *** * no!\n",s);
  ** ***  ** *     *** * *  *  ** ******** ***  *** 
    }

  * * * *   **   *   ***  *  *  0;
}
int Cycle(char *s){
   * ******* * **  ***  ** * *   *h,*t;

*** * ** * *  **** **  *    * * = s,t = s + strlen(s) - 1;t > h;h++,t--)
* **   **   * *   * *** * **  * ******** ** *** * * ** *  != *t) break;

*** * ***   **  * * * * ***** t <= h;
}

Comments

prog.c: In function 'main':
prog.c:14:17: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[20]' [-Wformat=]
         scanf("%s",&s);
                 ^
prog.c: In function 'Cycle':
prog.c:32:23: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     for(h = s,t = s + strlen(s) - 1;t > h;h++,t--)
                       ^~~~~~
prog.c:32:23: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:32:23: note: include '<string.h>' or provide a declaration of 'strlen'

Answer 7

內容已隱藏
#include <stdio.h>


int main()
{
    char s[100];
    int i, j, n;
* *******    **    *  *  ***   *    *   *     *  *  
**** ***    ** *** *** * **       ***    *  

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

Comments

prog.c: In function 'main':
prog.c:8:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'char *' [-Wformat=]
     scanf("%d",&s[n]);
             ^
prog.c:9:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(s);
     ^~~~
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:11:7: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     n=strlen(s);
       ^~~~~~
prog.c:11:7: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:7: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccDYUh1t.o: In function `main':
prog.c:(.text+0x3f): warning: the `gets' function is dangerous and should not be used.

---

prog.c: In function 'main':
prog.c:8:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'char *' [-Wformat=]
     scanf("%d",&s[n]);
             ^
prog.c:9:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(s);
     ^~~~
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:11:7: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     n=strlen(s);
       ^~~~~~
prog.c:11:7: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:7: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/cc47s844.o: In function `main':
prog.c:(.text+0x3f): warning: the `gets' function is dangerous and should not be used.

---

prog.c: In function 'main':
prog.c:11:7: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     n=strlen(s);
       ^~~~~~
prog.c:11:7: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:7: note: include '<string.h>' or provide a declaration of 'strlen'

Answer 8

內容已隱藏
#include <stdio.h>
#include<stdlib.h>

int main()
{
    char s[100];
    int i, j, n;
 *  ** * ***** ** *   *  *   * * * **   ** *    **    ** 
  *  *    *   ** ***   **  * **  * 

*   * ***** **  *** *  * **  **   
 ****  **** ** ** **** * *  **    *   **     **  *  *
  ** * * ** **  **   *  * ***** **** *  * **** *       *  * *** break;
 **  *   * *  * *   * *   ***** ***  *** ** *   ***   ****   
********  *  ***  *** *    * * *    *  ** *  * ****   *  * ****   *   *   *  **  ***    **** *      *** **
 *     *** ***  *     **   * * *** * ** ***  **** *  **    *  **
  *** ****   *   * ** * ** ** *     **** * **** *   ** *   *  * *  *   *   *  ***  *****  ** *  ** * *   
}

Comments

prog.c: In function 'main':
prog.c:8:13: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'char *' [-Wformat=]
     scanf("%d",&s[n]);
             ^
prog.c:9:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
     gets(s);
     ^~~~
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:11:7: warning: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
     n=strlen(s);
       ^~~~~~
prog.c:11:7: warning: incompatible implicit declaration of built-in function 'strlen'
prog.c:11:7: note: include '<string.h>' or provide a declaration of 'strlen'
/tmp/ccjI8t0q.o: In function `main':
prog.c:(.text+0x3f): warning: the `gets' function is dangerous and should not be used.

Answer 9

內容已隱藏
#include ***   ****       
#include      ***  * **** * 
 *** **** *
int is_palindrome(char *s) { 
 *  ** * ** *   *  ***     i, len; 
*  **** *  **  **  ** * ***
**   ***   ** *     = strlen(s); 
** * ** *** * *   ** *** ***
    ***    **  **  *    * = 0; i < (len /2); i++) { 
***  ** ******   * **  * *** * ** (s[i] != s[len-i-1]) 
 ** ***  *  **  *******   *** *  * *     *** *** * * 0; 
*     ** ****     ** * 
*** ***   **  ******  * *
**   ***   *   **  (i >= len/2) 
 **      **  ****** **  *  * ***** ***   1; 
*   **    ** *** * * * * 
  **  * ** * * ** ****  ** **** * ** *  *  0; 
} 
  
int main() { 
* * ***** *       ***       s[256]; 
***    * *  ****   * *    
********  *  * **   ** { 
*  * * **  *         *  *     **** 
* *     * ***        *  *      
 **   * **  ****  * * * ** ** ** ** *    (is_palindrome(s)) 
*   * * * **    **   ****   *   *  ****** * *****  ***  **** *  *     *   
 * ****** **   ** ** * ***   **** 
** * *      * * *   *      *  *** * * ** * *    *  *  *****  * *** * ** *  
     **** *  * * * *  
}

Comments

prog.c: In function 'main':
prog.c:24:6: warning: 'gets' is deprecated [-Wdeprecated-declarations]
      gets(s);
      ^~~~
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__;
              ^~~~
/tmp/cc7oj25o.o: In function `main':
prog.c:(.text+0xae): warning: the `gets' function is dangerous and should not be used.

Answer 10

內容已隱藏
  *   ***** **   *
 *   ** * *****  * ***
int main()
{
***   **   char    ***  
 ***  **  *** *  int a,b,c;
 *    *  *    *** * 
* * * * ***  * *   **   *****   * **  *  EOF)
* *  * *         * {
*   *    **      ** ** ***  * b = 1;
**  *  * * * *  **  **  *  *  ** a = *  ****
******   **   ***     * ***  * 
*   **** * ** * *   ** ****     * * *****  * ** a/2;c++)
 * ** * * * **   *** *  *     {
 *  **   * * * *          * **     *  ***** * * * 
*    *     *  **     {
 *  *  *     ** ** * * **    *     *   *   * *   ****  b=0;
* ***    * *      * *        * ***          *  * **** break;
** ***    ***  *  ** *  * *    ****  *** *  *** *** * }
 *    ** *     *    *  *        * }
** *** *** * * *  *  *  * *  ** if(b)
    ** *        *  * ** * ** *  *  * *    **   ** *       *** *   *  * 
* **** * * *   *   ***  *     *** else
 *  ** **  *  *  *** ** *  * **       *  * *  * **   * * *   *  *    * *  * **  
     * **** *  ****   *   ** *  ** **** * * 
*    *     * * *    **   **      *** **  ***  * break;
  ** *  *  *   * * }
**** **   *** * *  ** ***   **  * * * ** 
 ***     * *  ** return 0;
**   ***   ***   ** **  **
 * *** * 

Comments

prog.c: In function 'main':
prog.c:28:2: warning: implicit declaration of function 'system' [-Wimplicit-function-declaration]
  system("pause");
  ^~~~~~