0 like 0 dislike
3.9k 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 | 3.9k 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:172.69.17.196
©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
| 1.1k 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) | 2.9k 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
| 845 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
| 832 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
| 1.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users