0 like 0 dislike
2.6k 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 | 2.6k 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:172.69.17.85
©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
| 478 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
| 7.5k 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
| 1.8k 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
| 2.4k 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
| 1.3k views
12,783 questions
183,443 answers
172,219 comments
4,824 users