0 like 0 dislike
7.9k 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 | 7.9k 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:104.23.197.64
©2016-2026

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
| 1.4k 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
| 21.3k 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
| 5.4k 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
| 6.5k 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
| 4.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users