0 like 0 dislike
2.7k 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 | 2.7k 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:172.69.17.131
©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
| 808 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) | 2k 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
| 610 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
| 604 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
| 991 views
12,783 questions
183,442 answers
172,219 comments
4,824 users