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

2 like 0 dislike
18.7k 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 | 18.7k 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:172.70.80.196
©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 | 18.5k views
12,783 questions
183,442 answers
172,219 comments
4,824 users