0 like 0 dislike
5.1k 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 | 5.1k 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:172.69.130.92
©2016-2026

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
| 1.5k 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) | 3.8k 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
| 1.2k 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
| 1.1k 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
| 1.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users