0 like 0 dislike
2.5k 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 | 2.5k 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:108.162.216.135
©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
| 725 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) | 1.8k 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
| 543 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
| 542 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
| 883 views
12,783 questions
183,442 answers
172,219 comments
4,824 users