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:104.23.197.65
©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