10-19 Exercise 3: Prints the number with its digits reversed

2 like 0 dislike
23.6k views

Write a program that input four-digit number, then prints the number with its digits reversed .

寫一個輸入4位數字，反轉輸出這個數字的值

Example input: 

5455

Example output:

5545

Example input: 

5400

Example output:

45
[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 27669 - Available when: Unlimited - Due to: Unlimited
edited by | 23.6k views

64 Answers

0 like 0 dislike 
Hidden content!
 * *   * *   * ** ***
int   *  
{
 **     * * int a,b,c,d;
 *  *   **  * * **    **  * **     %1d %1d  ** * **    * *****   ****   * *   
   **    * * *   * 
  * *        *    ** **  * ** **  ***** **
*  *   *  *   
   * **   return 0;
*   * *  * * 
* ***        **  
** ****    **  * 
}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
** *  **** ****   *     ***** a,b,c,d;
** *** *     ** *    * * ** * ******   *     ***   ***  *** *  * **   **    *** *
 ** *** ****  ***  ** **    ***
 *    ** *** *   *  ***  *  ** *  *** * **  ***    **  **       * * **  
 ** *    *  *   * ******* * *  if(d==0&&c!=0)
 * **     *** *   * ** * ** *    * *     * *** ****     *    **   **  *   
* **** **** * ***     ** if(c==0&&b!=0)
 * *  ** *     *  ****   ****  *    * *      *    * *    * * * *** *  ***** *       
 ** *  * * ***    ***  **
 ** ***    ******* *  **   *** ** *    ****  *   ** *   *  ** * ** ** ** *
*  *    * *   **    *  *  * * * 0;
}
answered by (-258 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
*  * *    *  * *   * ***    * a,b,c,d;
 *   * ** * * *** **********   * *   **   ****  *     ** ******    *   *******    * ******** 
 **   ***** * ** * * * *******
 * ** *   ****  **** ** ** **  ** ****** *  ** *****   **** * ** *  *  **  **
* * * ** *      * *** ****   if(d==0&&c!=0)
  * * **** *   *  ** *** *  ****       *  *  *** *** ** ** * *******  * **   ****  ***
 *    *   * *  ***     *   if(c==0&&b!=0)
*      *  **  ******  **** ** ** * *  ******* ** **      * ** ****   ****** ** 
 *** *   *   *** ****  ****** 
          ** ** * **    * * ** ***** ** *********** **  *   *   * *    **   *
**   ** * * ****** *   *** ** 0;
}
answered by (-258 points)
0 0
prog.c: In function 'main':
prog.c:11:23: error: spurious trailing '%' in format [-Werror=format=]
         printf("%d%d%d%",c,b,a);
                       ^
prog.c:13:21: error: spurious trailing '%' in format [-Werror=format=]
         printf("%d%d%",b,a);
                     ^
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()
{
 * **  *    ** * *  * ** * * * a1,a2,a3,a4;
**  **   *   * *** ***  **** ** * ***  **  *  *   *** *** *******  * **    ******** 
* * * * * **  *   *** **  *** ** (a3==0 && a4==0)
    {
     ***  **     * * *  **  * * * **   * *    *  *   *  *     ** *** **  ** 
    }
*    *  * ***  ** * * *    ** if (a4==0)
* * *** **    ***    ** 
 *      *   ****** * * ** * *  * *   * * ** *****   *   *  *** *** *** *    *   **** * 
*** *  * ** ***   * * ***  *   *
 * *   * *** ** * ** * **  *
***  ** * **** * * * * ** *  *  
    ***  *  *   * * * *   ** *   ** *   **** **   **   * ***  * * ** ** *    *** * **  *
**    **  * *   **  ** * ***   
 *  **  ****   ***  * ****  0;
}
answered by (-323 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
 **** *  * *** *   *  *

int main()
{
* ****   * **** int ***   ***
*      *  * ** **  * *** *   * ** *  * * **  
    ***  ***  * a = e / 1000;
 ****** ** * **  * b =   * *****
*    *   ***  ** c = *   * 
 *** * **    * d = e%10;
 *    * ***     ** * *   *  ** ** ** ***  *   ****** 
}
answered by (-285 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
 ** *  **  * *  *  **  ***   *  w,x,y,z;
***  ** *** ** ** * *   * ** ** *  *****   ** *  * ** **      **** *** *** ***  *   *  
* *** ***** * *   **   * *   **   
 ****************  *   
** ** ** ** ***      *   *    ***    *****  *   * * ** *****   **  *    *** *  
    }
*   * *** **** *  ******   *    if(z==0 && y!=0)
   ****   * **  **   * * *
  * ***   *      *  ** ****** *******  * * **  * ****  **  *** *  *  * *  * * *  *** *
  * * ** * ***  ****    *   *
***  *   ***  ** * * * ** **    if(y==0 && x!=0)
 *  **  *   **   *** * * * ***
  **** *   * * *    ***  ** * **   * *  **   *  * *   *****   * *    *****   *
  ****   ***** **  **** *  *
*******         ** ** ***   ** * ** * if(x==0 && w!=0)
** *** *   **   * *  * *** *
  *     *    ***    *  *  ** *    **  * * * *  *** ***   **      ** *     **
    }
      **   * ** * ** *  **  0;
}
answered by (-229 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int
main(void)
{
**  * * * ** *** ** *    ** * digit1,a,b,c,d;

 * * * *  * ****** ******* ***  **  ** *** * ****  *    *       *   
  * ***  ** * * ****     * * **  *
 * ***** * *    **   * *    **  * *  * *
       **  **    **  * **  *  ** ** *****
*  ** * ** ***** *   * * **  * ***  

  *****   * * * * *  * *  (d!=0)
  ** ***** *    ****  **  *  
 * *** *  ** ** * *** **** * * **   *    * *   **    *****    *  *  **** *** **   **  
 *  ***  **     ***     * *  *

* ****    ***  **    *** ** *   if (d==0&&c!=0)
  *  **  *  * ** *****  * 
 *   * *  **  * *** *** **  ** * *  ** * *** *  * *  **** ** **** ***  ******* * *    * *
**  ** *    ** **   ** ****
 *******   *  ***     ** * if (c==0&&b!=0)
    {
***   *  ****    ** * ****   * ** **  * *** *** * * *******    **  * *    * *** * * **
 * **** **   *   *   ** *
  ******     *** *  ********
   *   * * *** * ***  * *
*******     *** **** ** *   **  **   ("%d",a);
    }
 *** **** *    ***  * *   * (0);
}
answered by (-254 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 1
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int
main(void)
{
***    *     * **  ** *   * digit1,a,b,c,d;

* ***** *  *   *   ** **  *  ** * * ** **  *** **  * 
* **** * ***  ***  *   *   *  ** 
     * * * ****    * ***   *     *** ** 
 ****  *** ***  * *** **   ***     
*** *  *  ** ** * **  *   *  *  **** ** **

* *** * * * * ** ****  ** * (d!=0)
****** ** **  **** *** ****  
**   *   *  *  *   ****  **** *   **      *  *  *   ** * *   *   *   **
 *   *  * ****  ** **  ** *

** **  *    *   * *      *   if (d==0&&c!=0)
* * ***      ****    *  *  *
 ***  * ** ** * *   * *  ***** **** **   *    **  *** ***** * ***  ** * ********** * 
** ***   * ****  *** **  * 
****** ** * * * *   * * **   if (c==0&&b!=0)
    {
* ** **      * ****  *  *    ** *** ** **** ******  ****  **** *  * ** ** 
 *  ***** * *** *    **  **
**   *  **    ** ** * * **   
  *       ** **   ******** *
*** ********* *  ************  ("%d",a);
    }
 ** *       * ** ** * *  **  (0);
}
answered by (-254 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike
Hidden content!
** * ** ** ****

int main()

{int * ** *
** ** ** *** %1d %1d ******** * *** * ** * * *


** *
* * * * * ** * *** * *

}

else * ****** * *
* *** * * *** *** * ** *

}

else **** ** * * ** * b!=0){
** ***** ** ** * * * *

}

else * *
****** *** *

}
** 0;

}
answered by (-329 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
 *  ** *  *  **** *** ***
int main()
{int  ****
 ***  * *      ** ***   * * *   **  *    ** *  **** * *

    * **
*** **  ******    *    * * ** *
}
else      *   *** **    c!=0){
  ** *   ***    *   * *** *
}
else  *      *  *     b!=0){
*   *   *  *  *** * ** **   *
}
else     *   ** *   a!=0){
 *****   * *********   **  *  
}
else {
** **  **  *  * *** * * **  
}
}
answered by (-329 points)
0 0
prog.c: In function 'main':
prog.c:16:17: error: format '%d' expects a matching 'int' argument [-Werror=format=]
 printf("%1d%1d%1d",b,a);
                 ^
prog.c:19:11: error: format '%d' expects a matching 'int' argument [-Werror=format=]
 printf("%1d,a");
           ^
cc1: all warnings being treated as errors
commented by (4.3k points)
0 0
prog.c: In function 'main':
prog.c:16:17: warning: format '%d' expects a matching 'int' argument [-Wformat=]
 printf("%1d%1d%1d",b,a);
                 ^
prog.c:19:11: warning: format '%d' expects a matching 'int' argument [-Wformat=]
 printf("%1d,a");
           ^
commented by (4.3k points)
Page:
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

1 like 1 dislike
85 answers
10-26 Exercise 2: Displays the number of its digits and their sum
[Exercise] Coding (C) - asked Oct 26, 2017 in Chapter 6: Loops by semicolon (5.2k points)
ID: 28914 - Available when: 2017-10-26 18:00 - Due to: Unlimited | 24k views
12,783 questions
183,442 answers
172,219 comments
4,824 users