0 like 0 dislike
4k 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 | 4k 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:108.162.241.33
©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
| 888 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
| 878 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