0 like 0 dislike
4.3k 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 | 4.3k 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:172.69.7.212
©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
| 1.3k 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) | 3.1k 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
| 962 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
| 945 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