0 like 0 dislike
3.1k 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 | 3.1k 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:172.69.6.145
©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
| 901 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) | 2.3k 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
| 695 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
| 679 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
| 1.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users