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

2 like 0 dislike
11.8k 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 | 11.8k 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:172.71.254.197
©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 | 10.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users