0 like 0 dislike
5.1k 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 | 5.1k 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:172.69.130.93
©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
| 1.5k 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) | 3.8k 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
| 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
| 1.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users