0 like 0 dislike
6.3k 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 | 6.3k 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:104.23.243.5
©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
| 1.8k 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) | 4.8k 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
| 1.4k 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
| 1.4k 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
| 2.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users