0 like 0 dislike
7.6k 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 | 7.6k 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: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
| 1.4k 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
| 20.7k 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
| 5.3k 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
| 6.4k 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
| 4.2k views
12,783 questions
183,442 answers
172,219 comments
4,824 users