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

2 like 0 dislike
18.5k 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 | 18.5k views

64 Answers

0 like 0 dislike 
Hidden content!
#include  ****    * **
int main()
{
*** ** * **  *** * **  **** ***
** * * * ***** ***   * ***  * * a,r;
*   * * *  * * *** ***  *  * *  ***  ****** ** &a);
* * **      *        *    = (a % 10)*1000;
***   *      * * * ****       = r + ((a % 100)/10)*100;
***     * **  *     **   = r + ((a % 1000)/100)*10;
 ****    *** *  ** ****  * = r + (a/1000);
    *** **    * *   ****   * ** * **** *   ** * r);
*  **** * *   ******      *** 0;
 * * * ****  *    *  ***
 ** *       ***   * *  *  ***   
 **  * *** ** **  ** *
 *  ***** **   **      *  **
**** *  **  *** *     * *  * *  **  0;
}
answered by (-168 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 * * **  * * *
int main()
{
 **   *  *   *  *** *   * n, reversedNumber = 0, remainder;

   **** **   * *    * *   ** * ****  *   an integer: ");
 * * *****   ****   ****    *** ** *   *  ** * &n);

* ** * * **  * * *** *  *  *** != 0)
   ****   **  *         **** 
    ***  *    * ******* ** ** *** * * * **     ***  * ***** = n%10;
  * * ***           * *  *  * *** ** *****   * ***  *    * ***** = *** *    ** *  + remainder;
   **  *  *  * *    * ** ** *  * * *  **  *** *       ** /= 10;
* * *   *    **     *  *  

** ***  *****  **   **   *** ***** ****      *     ** **  *
return 0;
}
answered by (-167 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>
int main(void)
{
   * ** * * * ** *** *  ****  tab[5],i;
*** *   * * ** *  **  * **      * *  * * ***
 ***  ****  * *  *     * ** 
   **** * *    * * *  ** *    ***  ********* * *** ** *****    ***  ***  **   
 * *     *    ** *    *
  ** *  *** * ******* *  (i=4;i>=0;i--)
    {
  ** **** * ** * **   * **     * *  ***  * ** * **    ** *** *  **** * *** * 
*  *   * ***  *    *
 **  * ***  *   *  * ****    ** ***  0;
}
answered by (-168 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main(void)
{
  *  *** *******     * *** **** tab[5],i;
 ***    * * ** **  * **   *  * * *  * *  * **
** * * *  *   ***  *  ** ****
  * * ***  **** * *   *** ***   ** *     *  * ** *    *  * ***  *******   **
  *  * *     *** *  * 
  * *** *  * **  *** * **** * * ** (i=4;i>=0;i--)
* ** ** ***   *    * **  
* *** *      **  ******    ** **       ** **  ***    *         ****** ** ",tab[i]);
****   ** * **     * *   
    ** **  ******** *  ***    * **  0;
}
answered by (-168 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include  **  ** **  *** *
int main()
{
     * *   *    ***   *** * **   n, reversedNumber = 0, remainder;
   **  *  *** **    **    **  **    *   *  *** &n);

** **  ***  *  ** * *** *     != 0)
** ***** **    *   **** 
*** *** *  *   ******* * *   * **  ***  *  *  ***  **    **    = n%10;
     ** * *   * **   *    *** ****   ****       ** *             *** = reversedNumber*10 + remainder;
*** *  **  ***  **   * **** *  ** *** * * *  * ***     ** /= 10;
    * **** *  *   ** ***** * *

***   *   *    *** *  **   *  **  *** * * **  * reversedNumber);

 * **  ***  *  * ***** * ** ***  0;
}
answered by (-233 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>
int main()
{
**  **  * * * *  *  ** * *** a,b,c,d,rev;
* ***  *** *  *  ****** *   * *  ** ***** * **   **** *   **  **  *****
  * *      *     * *** *  ** *       *
**     *  ****  **  *  *  ***  *** ***   *  
  ****    *  *   *   * * * * 0;
}
answered by (-32 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 like 0 dislike 
Hidden content!
#include <stdio.h>
#include  * ******* ***   *

int main()
{
 * **  * *  * *  * ***  *   n, reverse = 0;

** *** **  * ** * ** *  ****  **    * ****     &n);

 **    **  **  *  **** *   * *    (n != 0)
 ***  * **  *       ****   **** *
*  ** **    * *  * * * *   **     ** ** * *   ** *  = reverse * 10;
*    **** *   ** *   *     *  * ***       * *  ***  * ***  * = reverse + n%10;
*    *  * ** *** **  *** *** ** * * * ******* *** ** *   *   **       ***  * ** **** *  * *  n/10;
*       **  ** *   **  * * 

 ** **** ***** *    ** * * **** ***** ** reverse);
         ************ **       0;
}
answered by (-168 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(void){
int num;

    ** ** *****    * **  * *
* **  ***   *** * * ** * *
 * *    * *   ***   *   *   ** *   
while(num!=0){  *  *  * * * *
* ***   **  *** ** **  * ***   **  ** * * *** * ** ****  **
num/=10;    **      ******* ***  **      
}
 *  *  ****       **
return 0;
}
answered by (-32 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 0
-----------Re-judge-----------
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
Case 5: Wrong output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include<stdio.h>
int main()
{
* ** **     ** **  *** * * *   a,b,c,d;
 ****  * *     **  * ****  * **  *   ***  **   * * *  *  *    *** *   * * * *  *  *   * ***
***    *  *  *** ***  ***   * (d==0 && c!=0)
 ***   ***** ** * *** * ***
 **  *    *    *  *     **   ** ** **  ** ** *  *   ***   *   ******* *** **  *
 * *** **   ** ***  **  ** ** ***
***** *    *  **  **    **** if (d==0 && c==0 && b!=0)
*   * *   **   * * *     **
** **   ** * * * * *   * ** * ** ** * **  **   *   *  ***  * ** *  * ***  ******  
* **** **   * * ****  *  ** 
 **  ******* *  * **  * ** * if (d==0 && c==0 && b==0 && a!=0)
*   * ** * * ** * * *** * 
*** **  *  *  *   ***  *   **  * * *** **** *  *   **** ***      *     *   
* ***  **  ***  * * * *   
  ***  * ** * ***  *  * **  * if (d==0 && c==0 && b==0 && a==0)
**   ** * *** **  ***** * *
* *** *  *      **   ***** *  **** *    *  * ** **        *      * * ** *   
  ** ***  * *    ***** **
    *   * ***  * * * * * * if (d!=0)
*  **  *  * * * ** ** * 
* ***  ***** ** * **   *   * * **** *  *    *  **      *** * * **  * ***  *****  ***  *** * * *
*** * **** ** *  *  *  **
}
answered by (-214 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()
{
 **   **   ***  * **** ****  ** a,b,c,d;
***   *    ***** *     **  **  *** *   * **  **    * *  **   * * ***  ** * **   *
*  **    ** ***    **  *    (d==0 && c!=0)
 * ****   ***** * *  * **
**  *** ** ** ***   ** ****   ***     ** *  ****    ** ***  ** ***  ** **** *  **   ***    *  *
* *  *    * * ***     *   **
*   * **  *      *  *** if (d==0 && c==0 && b!=0)
 *** * ** ** ** *   * **
  * * ** * **  *  *** *     ** * * * *   **     *  ** * * * *  *     **  *  * *** * *** *
   **   * * * *  *** * 
 * *       * * *   *   ***  if (d==0 && c==0 && b==0 && a!=0)
   * *   *** **** *** *** *
*   *  * *    *    *********  ***  **  *    *** ** * *   **   *  *   
*   *  * * * **    *** *  
 *     **    ** **   ***   * *  if (d==0 && c==0 && b==0 && a==0)
****     * **  * ** ** 
 **   **    **   * ** * ** ** ** ****  *  **** ** *     *  *       * * ** *  * *  ***
 **  * * *  * *   **  ** ** 
* * ***  **  ** * *  **  *   * if (d!=0)
* *** **  **** *   *  *
  *     ** *** ****  **   *  *  *   * * *********      * * *  * *  **  ***  ***
*  ***** *  ** ** *  * 
}
answered by (-214 points)
0 0
prog.c: In function 'main':
prog.c:20:16: warning: too many arguments for format [-Wformat-extra-args]
         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:172.69.130.188
©2016-2025

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 | 18.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users