0 like 0 dislike
5.2k 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 | 5.2k 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:108.162.241.32
©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
| 983 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
| 14.6k 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
| 3.6k 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
| 4.6k 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
| 2.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users