0 like 0 dislike
998 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 | 998 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:172.70.131.28
©2016-2024

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
| 282 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) | 588 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
| 206 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
| 231 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
| 293 views
12,783 questions
183,443 answers
172,219 comments
4,824 users