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:172.69.7.82
©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