0 like 0 dislike
3.9k 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 | 3.9k 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:172.70.179.116
©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
| 784 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
| 11k 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
| 2.7k 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
| 3.5k 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
| 2.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users