0 like 0 dislike
5.6k 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 | 5.6k 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:172.70.80.21
©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
| 1.1k 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
| 15.8k 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
| 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
| 5.1k 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
| 2.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users