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

2 like 0 dislike
21.7k 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 | 21.7k 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:104.23.197.94
©2016-2026

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 | 22.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users