0 like 0 dislike
4.8k 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 | 4.8k 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:172.71.254.40
©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
| 923 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
| 13.7k 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
| 3.3k 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
| 4.3k 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
| 2.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users