0 like 0 dislike
7.9k views
請設計一個程式,使用者會輸入一個字串,請判斷該字串是否為回文(palindrome)。

輸入範例1:

12321

輸出範例1:

12321 is a palindrome

輸入範例2:

apple

輸出範例2:

apple is not a palindrome
[Exercise] Coding (C) - asked in 2016-1 程式設計(一)AC by (18k points)
ID: 20980 - Available when: Unlimited - Due to: Unlimited

reshown by | 7.9k views

43 Answers

0 like 0 dislike
Hidden content!
*** ** * *
*** ** * *** * *



int is_palindrome(char *s)

{
**** ** ** a, k;



  k = strlen(s);


*** ** * * * * * * = 0;a <(k /2);a++)
* ** **
* * *** * * * ** ** * ** (s[a] != s[k-a-1])
* ** ** **** * * **** ** * *** ***** * * 0;
* * * ** * **


** ** ** ** >= k/2)
*** * ** *** ** * * * **** 1;
* ** ** ***
**** * ** * * ******* * 0;

}

int main(void)

{
**** *** ** ** s[256];


***** * ** *
***** ** ***
** *** * *** ** *** *** ** *
** ** ** * **** **
* * ****** * * * **** ** *** *
* **** *** ** ***** ** * ** * ****** * *** *** ** * is a * ** ** *** s);
***** ** ** *** * * **** ** **
* * ** * ** * * * * ** * * ***** * * * * is not a * *** **** * s);
* * * *** *

}
answered by (102 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#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))
*** * * * * ******* * ** * ***** * * * * ** ** **** * is a ** ** ** * s);
** * ** * ** * *** ** * *** * **
* * *** * * ** *** * ** ** * ***** ** * * *** * ** * * * is not a *** * * * s);
* ** **** * ** * **

}
answered by (152 points)
0 like 0 dislike
Hidden content!
**** * * *** * * *
*** **** * **



int is_palindrome(char *s)

{
******* * * * a, k;


**** * ** * = strlen(s);


** ** * = 0;a <(k /2);a++)
*** * * ***
* *** ** ***** *** *** * **** (s[a] != s[k-a-1])
* *** * * ** ** * * * ** * ** **** **** * * 0;
* *


** *** ** >= k/2)
***** * *** * ** * *** * 1;
** * ** * * * *
*** * ** ** * ** ** 0;

}

int main(void)

{
* ** * * ** ** s[300];


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


* * * ** ****** * * ** * *** * * * * *
** * ****** *** * * *** **** * ** **** ** ** ** * **** * is a * **** * ** ** s);
* * ******* * * **** *** *
* * ********* ** ** * * ** * * ** ** **** *** * is not a * ** * * * s);
* ***



}
answered by (102 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#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))
**** * * ** * ****** ** ** * * * * ** * ****** * ** **** is a * * ** * * **** s);
** * * * ** ** *** * * **** * ***
****** *** **** ** * * ** * ** ******** *** ** * * * * *** is not a *** ** * s);
*** **** * * *

}
answered by (180 points)
0 like 0 dislike
Hidden content!
#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))
* * ** * ** * * * ** ** ******** ** **** *** * * * * ** * ** is a palindrome", s);
** * * *** ** * ** * *** ** *
******** ****** * * * * *** * * ** **** * * * *** *** * ** is not a * * ** ** s);
* * * ***** ** *

}
answered by (180 points)
0 like 0 dislike
Hidden content!
#include *** * * * **
** ** *** * ** ** *



int main()



{

int *******



for *** * ***** *


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



if ** ** *
* ** * *** *** *** * is a * * * *** *** * ***

else if * ** ** *
* *** ** ***** ** * ** *** * * is not a * ****** ** ** *
answered by (54 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include <stdlib.h>



int main()

{
** **** ***** * * * * a[100],b[100];
*** ** *** * ** * ** * * i,j,k=0,l=0;
* * * ** * *** *** * *
** * * * **** * ** *
* ** ** *** ** * ** ***
* * ** * * **** * * * ** ******

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

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

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

    }
******* **** * ** **** *** * *
*** * * * * ** ** * *** * * * * * ** * *** * * ** is a palindrome",a);
* * * **** * ** * ** if(l!=j)
*** * * * ** ** ** * * * *** * ***** * *** ** is not a palindrome",a);
** ** * ** * ** ** * * *** * 0;

}
answered by (-85 points)
reshown by
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include <stdlib.h>



int main()

{
* ****** * * *** * ** *** * a[100],b[100];
* **** * ** * * ** * ** i,j,k=0,l=0;
* * * * ************
*** ** * *** ** **** *
* ** * *** ** ***** ** *** ***
* * * * * ** * * * * ** * *

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

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

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

    }
***** * * **** ** ** ****** ***
* ** * ** * * * * * * * **** * * ** ** ** * is a palindrome",a);
*** * ** * ** * ** if(l!=j)
* * * * *** * * **** * ** * ** * ** ***** **** is not a palindrome",a);
* ** ** * ** * * ** ** 0;

}
answered by (-85 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include <stdlib.h>



int main()

{
* ***** * ** * * *** * a[100],b[100];
* * * ** ** * ******* ** i,j,k=0,l=0;
*** *** **** * * ** ** ***
** * ** * **** ** *******
* * * *** * * * * ****
** ** * ******* ** ** ** * ** *

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

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

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

    }
*** * ***** * * * ** * * *
** ****** ** * ***** ***** * ** * *** *** * * ******* *** is a palindrome",b);
* *** ****** ***** ** ***** if(l!=j)
**** **** *** * **** * ** * * * ****** * * *** ** is not a palindrome",a);
* ** ** *** ***** * 0;

}
answered by (-85 points)
0 like 0 dislike
Hidden content!
* ** * * *****

# * ** * * ** ***



int * **

{
* * *

int i;
** * ** * **** *
* * ** ** ***
*** is a *** ** * *

else
* *** * *** is not a * * *****


* * 0;
*** *** **** }
answered by (-122 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:104.23.197.64
©2016-2026

Related questions

0 like 0 dislike
3 answers
[Exercise] Essay (Open question) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20995 - Available when: Unlimited - Due to: Unlimited
| 1.5k views
0 like 0 dislike
144 answers
[Exercise] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20993 - Available when: Unlimited - Due to: Unlimited
| 21.4k views
0 like 0 dislike
28 answers
[Exercise] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20984 - Available when: Unlimited - Due to: Unlimited
| 5.4k views
0 like 0 dislike
39 answers
[Exercise] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20978 - Available when: Unlimited - Due to: Unlimited
| 6.6k views
0 like 0 dislike
16 answers
[Exercise] Essay (Open question) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20974 - Available when: Unlimited - Due to: Unlimited
| 4.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users