0 like 0 dislike
2.5k 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 | 2.5k 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:104.23.190.87
©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
| 725 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) | 1.8k 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
| 542 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
| 542 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
| 883 views
12,783 questions
183,442 answers
172,219 comments
4,824 users