0 like 0 dislike
4.1k 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 | 4.1k 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:172.69.130.70
©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
| 1.2k 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) | 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
| 906 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
| 892 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
| 1.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users