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

2 like 0 dislike
11.7k 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 | 11.7k 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:172.69.59.125
©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