0 like 0 dislike
7.2k 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 | 7.2k 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:162.159.115.31
©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
| 1.3k 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
| 19.5k 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
| 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
| 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
| 3.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users