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

2 like 0 dislike
10.8k 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 | 10.8k 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:172.71.255.127
©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 | 10k views
12,783 questions
183,442 answers
172,219 comments
4,824 users