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

2 like 0 dislike
13.2k 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 | 13.2k 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:172.70.131.163
©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 | 12.3k views
12,783 questions
183,442 answers
172,219 comments
4,824 users