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

2 like 0 dislike
16.3k 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 | 16.3k 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:172.70.80.233
©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 | 15.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users