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

2 like 0 dislike
15.8k 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 | 15.8k 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:108.162.241.239
©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 | 14.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users