0 like 0 dislike
4.7k 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 | 4.7k 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:172.70.178.45
©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
| 1.4k 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) | 3.4k 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
| 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
| 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
| 1.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users