0 like 0 dislike
1.7k 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 | 1.7k 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:172.69.59.125
©2016-2024

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
| 492 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) | 1.1k 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
| 327 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
| 369 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
| 506 views
12,783 questions
183,443 answers
172,219 comments
4,824 users