0 like 0 dislike
4.8k 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 | 4.8k 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:172.70.50.50
©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
| 1.4k 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) | 3.6k 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
| 1.1k 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
| 1.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users