0 like 0 dislike
3.2k 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

[Normal] Coding (C) - asked in 2016-1 程式設計(一)AC
ID: 20482 - Available when: Unlimited - Due to: Unlimited

reshown by | 3.2k views
0 0
Called for Help

31 Answers

0 like 0 dislike
Best answer
Hidden content!
****** * ** **
* * * * * *** ** **
*** ****** *****

#include <ctype.h>

int main(void)

{
* * ** ** * ** ** ***** i,len;
******* ** * *** s[100];
***** ** *** * * ******
** ** * * * * ** * * ** ** *
* *** * * ** * * * = 0;i < len / 2;i++)
**** ** ** * * ** ** ***
***** ** * * * * * * ** ** * *** * * != s[len-i-1])
* *** * *** * **** * * * * * * * *** ****
***** * * *** * * * * *** * * ***** * ** * * ** *** * is not a palindrome",s);
* **** * *** *** * * * ***** * * ** ** * *** *** * * ** **
* ****** ** * * * *** * * * * * * ** *** * * ** * **
** * * * * ** **
** * ** * * ** (i >= len / 2)  
*** ** *** * ** *** ** *** * is a palindrome",s);

}
answered by (-124 points)
0 like 0 dislike
Hidden content!
*
answered by (-276 points)
0 like 0 dislike
Hidden content!
***** **** ** * *****

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

* * * ** *** *



int main (void)

{ * ** * **** *** **
* * * ** * * ** * * a,b,c,d,i,k,j;

* ** * * * * ** ** s[99],z[a-1];



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

* ** * * * * ***

* ** * * * ** *
** * * ** * ***** *** * ** (s[a-1]==s[0])

*** ** *** *** ** ***** * ("%s is a palindrome",s);

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

****** * *** * * * ("%s is not a * **** *** *** **

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


* * * ** * ** *** * * *** 0;

}
answered by (-122 points)
0 like 0 dislike
Hidden content!
** * ** * * *** **

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

* ** * * * * ****

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



int main ()

{ ** * * * **
** * ** *** *** *** * a;

******* *** * * * s[99];



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

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

** ****** **** ** **** *
* ** * * *** *** (s[a-1]==s[0])

** * * * *** ** ("%s is a palindrome",s);

* **** *** ** *

** *** *** *** ** **** ** ("%s is not a palindrome",s);

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


** * **** ** * * **** **** 0;

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
#include ** *** * **

#include ** ** * ** ** ***


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

 }
answered by (-143 points)
0 like 0 dislike
Hidden content!
#include  <stdio.h>

#include  <assert.h>

#include  <stdlib.h>

#include  <string.h>



int  main(void)

{
* * * ** * ** *** * i,j=0,flg=0;
******** * * *** * **** * a[10],b[10];
***** ********** * * * * * * *** * ** *
* ** * * **** **** *** ************ * * * *
* * * * ** * *** * ** * ******** * *
* ** ** **** * *** ** **** * * **** * -1;i--){
** * * * * ** *** * * ** * *** * ** *** * ***** *
* * * ***** * ** * ********* ** *** **** * * ** * ** * ** * *** *
*** *** ** ** ** ** * * ** *** * ** * * * ** *** * * **
** ** * **** ** *** ** ** ** * ** ** **** * *
**** * * ** * * ***
*** * ** * ** * *** ** * * *
**** ** * **** * * ** ** * * **** *****
***** *** *** * ** * ** ** * *** ***** ****** * ** * ** ** * ** ** **** **
*** ** * * ***** ** * * * ***** * * ****** *** ****** ** * * * * *** * ** * *** ** * **
* ** * ** *** * *** ** * **** * * * * *** * * * *** * **** *** ** * * * ** * * *** *** *
** ** * *** * * *** * ******** ** *** ******* ** * ** * * ** ** ** **
* **** * * ** * * *** * *** ** ** *** * *** *** *
* * * ****** **

    
* * * ** * ** * * ***
* * ** ** * *** * * *** ** * ** * *** * * * * *** ** * * is a palindrome",a);

    }
* ** * * * * * * *
* * * *** *** * ** ** *** * * *** * * **** * ****** * is not a palindrome",a);

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

}
answered by (-158 points)
0 like 0 dislike
Hidden content!
*** *** * ** *******
** * * * ** **
* * * * ** *
* * * * **



int main (void)

{ * *
* *** * ** * ** ** a,b,c,d,i,k,j;
* ** * ** * * * **** * *** s[99],z[a-1];


***** * **** **** * *** * * * ****
* ** * * * *** ****
**** * * ** ** ******
* **** * ** ** * * (s[a-1]==s[0])
* * * * *** ********** ** ("%s is a * * ****** **
*** **** * ***** ** * * *
* ** * * **** * * *** ("%s is not a *** * * ***
* ******* *** ** **
** *** *** ** ** ** *



    return 0;

}
answered by (-136 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include * ** * ** **



int main(void)

{
*** * *** ** * * s[100];
* * * * * ** i, j, n;
* * * ** ** * ** ***** * *
***** * *** *** *
*** * * ** *** * ***
* ** * * ** **** *** * * **** * **** * **
***** * ** ** *** * ** ** ****** break;
** **** * ** *** ** * * * *
* *** **** ** * * * * **** * * **** **** * ** is a palindrome\n", s);
*** * ** * * * **** * ** ** **
** **** * * ** *** **** ** * * * * * * * * * is not a palindrome\n", s);
* * ** **** ** ** *** 0;

}
answered by (-100 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include *** * *** **

 

int is_palindrome(char *s) {
******* * **** ** ** * i, b;
* * * ***** **
* * * *** * ** * = strlen(s);
* * *** * *
** ** * ** * * * = 0; i < (b /2); i++) {
** ** * ** **** * *** ** (s[i] != s[b-i-1])
* * * ** * *** *** *** ** * * ** 0;
* *** * * * *** * *
* * * ** ****** ** (i >= b/2)
* *** ** * * * * ** *** ** 1;
*** ** * * ***
* * * * ** ** * ** *** 0;

}

int main()

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

* * ** *
** ****** ***** ** ** ** * ** * *
* ***** *** * ** * *** ** *
** * ** **** *** * *** * * ** (is_palindrome(s))
** ** ** * *** * *** ** *** * * *** * is a ** * * s);
* ** **** *** * * * *
* * * ***** * ** * *** *** ******* * ***** * * is not a * *** * * s);
* * ** * ** *** ******* * * 0;
* * *** * ** * * *

}
answered by (-100 points)
0 like 0 dislike
Hidden content!
#include *** * * **

#include ** * * * **

 

int is_palindrome(char *s) {
**** * * ** * i, b;
* *** **** **
* ** *** = strlen(s);
* * ** * * *
** * * * * * *** = 0; i < (b /2); i++) {
** ** * **** * *** * (s[i] != s[b-i-1])
* *** * * **** * * * ** ** ******* ** ** 0;
* ** * *** *
** * * ** (i >= b/2)
**** * * ******** * * * ** * ** 1;
*** * * ** *** *
* ** ** ** * *** ** * ** ** * 0;

}

int main()

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

* * ** **** * **
** ***** **** * ** *** ** * * * * **
* ** **** ** * * ** * * *
* **** * * ** ******* (is_palindrome(s))
***** * ** * * ** ** ** *** * *** ***** * *** is a palindrome\n", s);
** **** ** * * * ** * * *
*** * * ******* **** * * * ** * * * *** is not a * * ** ** s);
** * * * *

}
answered by (-100 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.59.22
©2016-2025

Related questions

0 like 0 dislike
7 answers
[Normal] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by 林佳慧 (-85 points)
ID: 20976 - Available when: Unlimited - Due to: Unlimited
| 939 views
0 like 0 dislike
24 answers
asked Dec 7, 2016 in 2016-1 程式設計(一)AC by Shun-Po (18k points) | 2.4k views
0 like 0 dislike
3 answers
[Normal] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC
ID: 20997 - Available when: Unlimited - Due to: Unlimited
| 721 views
0 like 0 dislike
3 answers
[Normal] Coding (C) - asked Jan 3, 2017 in 2016-1 程式設計(一)AC by 410425014 (-162 points)
ID: 20514 - Available when: Unlimited - Due to: Unlimited
| 709 views
0 like 0 dislike
5 answers
[Normal] Coding (C) - asked Dec 27, 2016 in 2016-1 程式設計(一)AC by 410342026 (-105 points)
ID: 20135 - Available when: Unlimited - Due to: Unlimited
| 1.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users