0 like 0 dislike
3.6k 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
[Exercise] Coding (C) - asked in 2016-1 程式設計(一)AC by (18k points)
ID: 20980 - Available when: Unlimited - Due to: Unlimited

reshown by | 3.6k views

43 Answers

0 like 0 dislike
Hidden content!
#include * * * * *
** * **** ** * *** *
* * * * * *** *





int *** * *
* ** ** ** *

*** * * ** char a[100];
** ** * ** **

* * *** * * ** * *
* * **

* ** ** * int * **
* **** **

*** ** ** len = *
** * **

** * * *** * for (i = 0;i * * * **
*** ** ** * * * ** *****

* *** * * ** * * * * * ** if (a[i] != * ****
* *** * * * * ** * {
* ** * *** * * ****

** * *** * * ** * ***** j = 1;
* * ** ***** **

* * * * ** * ** ****** break;
* ** ** ** ** ** * *

* **** *** * * *** * * * }
* * * * *** * *

* ** ** **** * *** else if (a[i] == * * **
* ****** ** ** * **

** * ** **** ** * * * *** j = 0;
* * * ** * *

** * ** }
** ** * *

** ** *** if (j == 1)
** * **

**** ** * **** **** * * * * is not a * * * ** *
* **** ** * * * **

* ** * ** * * else if (j == 0)
* ***

** ** ** * is a ** * * * *** * *


*** ** * return 0;
*** * * * * **

}
answered by (-157 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>

#include<stdlib.h>



int is_palindrom(char*s)

{
**** ** **** * ** * ** i,len;
**** * * ** * *** ***** = strlen(s);
* * *** * **** **** * ** * **
* ** * * * **** ** * **
* ** ** ******* * * * * ** * ***** * * ** **** *
* ** ***** * **** * * * * * * * ** ** *** * * **** * * ** ** 0;

    }
* * ** * * ***** * * *** * ** >= len/2)
******* ** *** ** * * * ** ** * ** * * *** * 1;
* ***** * **** ** * *
* * * * **** * ** * * *** *** * * * * ** 0;

}

int main()

{
*** ** *** *** ** ** **** **** **** s[256];


*** * * * * ** ******** ** *
** *** ******* ***
** ** ****** *** ** *** * * * * * *


** * * **** **** ***** ** * *** * * ** ** **** * *
***** *** ** ** ** ** ** * * * ** *** * ** **** * **** * ***** * *** *** is a palindrome",s);
* * *** *** * **** * * * ** * ** *****
** * * *** **** * ** ** * * * * ***** ** * * * ** ** *** * *** **** **** * is not a palindrome",s);

    }

}
answered by (-90 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include * * *** ***



int main(void)

{
* *** * * *** *** s[1000];
** * ** * ** * *** * * i, j, n;
* ** ****** **** * *** * *


**** * ** ** ** * **** **
* *** ** * ***** * * * * * * ** ****
** * * *** * *** * ** * * *** ** break;
* * ** * ** ** ** ***** * * *** **** ***
*** * * ** *** * ** * **** *** ** * ** *** *** * is a palindrome", s);
***** ** * * * * * * * ***
*** * * ** ** *** *** *** *** * *** *** ** is not a palindrome", s);
** *** *** * * * *** 0;

}
answered by (-100 points)
0 like 0 dislike
Hidden content!
* ** **** *
*** * * ** ** ** *
* **** ** **** ******



int main(){
* * * * * ********** *** * a[80];
* ** * * *** * **** l, i, j = 0;
* * * * * ** ** *** ** * * * * * * a);


**** *** * ** * * *** ** * ** * l);
* * ***** * ** * = 0; i < strlen(a) / 2; i++){
* * ** * * ** *** *** *** * **** * == a[strlen(a)-1-i])
* ** ** ** * *** * ***** *** ** * * * * * ** * **** ** ** * ****
** ***** *** ** *** * *
* * * ** ** * *** ***** **** == strlen(a)/2 )
** * **** ****** ** ** * * **** * * **** ***** * **** * * * is a palindrome", a);
** ** ** * * ** ** ***
* * ***** * * * *** *** *** * * *** ** ** * ** **** * is not a palindrome", a);
**** ** *** ** * ** *** * * ** * * ** ** j);

return 0;

}
answered by (-105 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>
* *** ***** * *
* **** *

#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!
#include <stdio.h>

#include <stdlib.h>



int main()

{
* * *** * * *** ** * * ** a[100],b[100];
** * *** ** **** * * ** i,j,k=0,l=0;
* * ** * *** **** * **
* *** * * *** * ** *
* *** ** * * * *** * * *
*** * ****** ** * * ** *** ****

    {
** * ** ***** ******* *** ** ** ** * **** * * *
**** * * *** ** *** *** ** * * * * *
* ** * * *** ** *** * *** * **** * *
** * ****
* * ** * * * **** ** * ** **
** * * * * ** ** ** * ** *

    {
* *** *** * *** ** *** * **** * **** *
**** ** * * *** * * *** * ***** * * * * * * * * *** ** * **
*** ** * *** *** **** * ** ** * *** *** **** * * ** *
* **** * * * **** ** * **** * * ** *** * **

    }
** * *** ** * ** ** *
* * * *** * *** ** * *** * ** * **** * * is a palindrome",b);
** * * * * * * if(l!=j)
* **** ** * * ** **** * *** *** * * *** * * is not a palindrome",a);
*** ** ** * * * ** * * 0;

}
answered by (-85 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>
* * ****** ** ** *
** * * * *** *
** * * ** * *** *



int main()

{

* * * * * **** * a;
* * * * ******** * *** s[500] ;
* * *** * *** ** **** *** *** *
*** **** * * **** * **** *
* * ** ***** * * **
* * * ** **** ** * * *** ** **
* *** **** * * * **** **** ** ** * *** * * *** ******* is a palindrome",s);
* **** *** *** *** *
****** **** * * **** * * ** * ** * ***** ** * ** ** is not a palindrome",s);
***** * * ****** 0;

}
answered by (-102 points)
0 like 0 dislike
Hidden content!
#include  <stdio.h>

#include  <assert.h>

#include  <stdlib.h>

#include  <string.h>



int  main()

{
**** *** * * * * *** ** i,j=0,flg=0;
* ** * *** * **** * * a[10],c[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()

{
* ** * ** int a;
** ** ** char s[99];
** *

* *** * * * scanf * * ** ** ***
* * * ** ** * * *
* ** *

* *** * * * if ** * *** *
* *** * * printf * * * is a **** ** *
* * * else
** * **** * * * * * is not a **** ** *** ** *
* * * * ** *

* ** * return 0;

}
answered by (-136 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>
** * ** * *** * * *
* ** * * ***
*** ***** * ** *



int main()

{

* ** **** *** *** * * * a;
**** **** ** *** **** s[500] ;
* ** * * ** * ** * * *** ** * ** * * **
* * * *** *** * * **** *
** *** ** * * * ** ***
** ******** * * * * * ***** ***
* * ** *** **** **** *** ** *** ** * *** **** * is a palindrome",s);
** * * **** *** ***
* * * * * * ** *** * ** ** * * ** ** * * ** ** ***** **** ** is not a palindrome",s);
*** * * ** * ** * * * ** 0;

}
answered by (-102 points)
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.71.1.188
©2016-2025

Related questions

0 like 0 dislike
3 answers
[Exercise] Essay (Open question) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20995 - Available when: Unlimited - Due to: Unlimited
| 725 views
0 like 0 dislike
144 answers
[Exercise] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20993 - Available when: Unlimited - Due to: Unlimited
| 10.1k views
0 like 0 dislike
28 answers
[Exercise] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20984 - Available when: Unlimited - Due to: Unlimited
| 2.5k views
0 like 0 dislike
39 answers
[Exercise] Coding (C) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20978 - Available when: Unlimited - Due to: Unlimited
| 3.2k views
0 like 0 dislike
16 answers
[Exercise] Essay (Open question) - asked Jan 5, 2017 in 2016-1 程式設計(一)AC by Shun-Po (18k points)
ID: 20974 - Available when: Unlimited - Due to: Unlimited
| 1.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users