0 like 0 dislike
8k 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 | 8k 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:104.23.243.108
©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
| 1.5k 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
| 21.6k 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
| 5.5k 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
| 6.6k 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
| 4.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users