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

2 like 0 dislike
16.4k 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 | 16.4k views

64 Answers

0 like 0 dislike 
Hidden content!
******  * ***  ***** ***
int main()
{
**  *    * * **  a,b,c,d;
    *  ** * *      **  * ***  ** *  **** ***** *** * **  ***** * *  
* **    **    ** * 
  {
 *  * ******  **   *  ** * **  *     * *** ***   * ***** ***  
  }
  ** ***       *  *  
  {
* *    * * **** * * **    * ******  * ** * * *      *  **
  }
** ** *****   *  * *
 *      *  *   
***  *   *   ***** ** ****  *  *  **  *   *   **        *  ***
  }
 *  *** ***  *
******  *** *** 
 *** ***  * ** *  *   * *  *   ** ** * **   ****    *  **  *  * 
  }
   ***   **  **** *   0;
}
answered by (-255 points)
1 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 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(){
 ** * ****  * * *   *  ****    str[4];
 ****** * * ******* ***    * * *  *** ****** * * **    
 *   * *  *** *   *   * ****  ***
* * * **** **  *** * ** *     **  **  ***   ** *   ***
 ***    * ***     * ***  * *    0;
}
answered by (-116 points)
0 1
prog.c: In function 'main':
prog.c:5:13: error: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[4]' [-Werror=format=]
     scanf("%s",&str);
             ^
prog.c:6:5: error: implicit declaration of function 'strrev' [-Werror=implicit-function-declaration]
     strrev(str);
     ^~~~~~
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main()

{
 * * *** * *    *  * * ** * **  a,b,c,d;
   *** *      ***** *******  * ********  ** *****  * ******* * *      * * *** 

* * ** * ***  *  *   **  *  * (d!=0)
  ** * ***** **   * * *** * 
** **     ** *  * ** *  *  ** *   *****   ****** ** *** ***  * **  * ****** ***   ***
    }

 * *  ****    ******     * *** (c!=0)
  *   ** * * *  ** * **   
  *   * **   *  **** * ** **  * *     *   *   * **** ** **  * (d==0)
  * * **    *  *  **** * **    *  * **  *   *   **     * *       ****** **  *
 ** ***   * *    *  *** * ** 

*** * **   *  * *   *   ***  (b!=0)
   * **  *****   * *  * ** * **
   *** ****   ***  ***  ** * *    ** ****  ** *** ***  * * (d==0 && c==0)
*   * **   ** * *  ***       *  ** *        *  * *****   *** *  *     **    * 
    }



     ** **  *  **  *** **  **  0;
}
answered by (-249 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 ** *  *     *  * 
#include   ** *  ** *  *  

int input[4];
int digit;
int output = 0;
int i;
int main(){

    **  ** *** *******  * **   ** *  * **    ** *    *  **  **   * ***  * *  * ***  * ** *   ***

** ****     *** *      ** * * * += input[0]*1;
 * ***  **  ****   **** ***** * *   += *   **    
*     **  **  ** ** *** * * **** += ***  * ***
**    *  *   ** ** * *  * *    +=    * **


 * ** *  *  * * **    **   ***   ***  *    **  * *
*** * *   *   * ****  **  **  0;
}
answered by (-286 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 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  * * ***  **
#include *** ** ** ****   *  

int input[4];
int digit;
int output = 0;
int i;
int main()
{

   * ***** **  *         ***  **** ******  *   ** ****** **   ** ** ****    * *   *      * *** **  *

*** * **  ** * *** * * * **** *** ***  * *   
 *  ** * * ** *  *       **  * *  * ****  * * * **  ** *  *  += input[i]*pow(10,i);
* * ***  **    ** ******   ****

*  * ****  *****  *** * ***  ***  **** * ** *  *** 
**    *   **   *  *  * ******  0;
}
answered by (-286 points)
0 0
prog.c: In function 'main':
prog.c:14:28: error: implicit declaration of function 'pow' [-Werror=implicit-function-declaration]
         output += input[i]*pow(10,i);
                            ^~~
prog.c:14:28: error: incompatible implicit declaration of built-in function 'pow' [-Werror]
prog.c:14:28: note: include '<math.h>' or provide a declaration of 'pow'
cc1: all warnings being treated as errors
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>
int main()
{
  * ** *     *   ** **  *  ** a,b,c,d;
**** ***    ****   * *** **        ** *** ** ** * ** * * **** * * * * **       **** *
    if
**       * * ****      * *  *   ** *   * ** * * * * * && c==0 && d==0)

*   *   * ** *       * *  ***   *   *    *** * ** **   *  * *      * **  ** *

  * *** ** *   ***  * **   * *** if

  * *  **** **  **  ***   *  ** ***   **  *   **   && d==0)

*   * * *  * *  *   * *   *  ***     * *******   * *** ** *   ***  * ***     **** * *

 *  *  * *****  **   *  * **** if

* *****   * * *** * *  ** * ****  * ** * ** ***  **  ***

  ** **   *****   *   **  **** **  *  **    *  **** * **** *  *       * ** ***  ** *** ***    

  *   **    ***       ** *  * * * *

  ** * * *  *  ****** **  *  *  * *  ** *   ****  * ***** ** ****  * ***   * ***   *

**     *   *  ***** * ***   0;
}
answered by (-196 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 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   *** *** ** * *

int main()
{
*  * *    ** a, b, c, d, e, f, g, h, x;
 ****  *****      * *   *   **  *   *    ** *  &b ** *** *    * ***
* * *  *  ** *   *** **** ****
  * *  ***  * **   *** *
*** ** **  *** 
* ** *   **** 
** * *    *  ******   * 
 * ** ****  *   * * * ** ** ****  
   ***  0;
*  * *    *
answered by (-66 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 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  *  * **  **** 
int main ()
{
  ** *    **** * * * *** *** n, reversed_number = 0, remainder;
**     *** * ****  ** *  ** * *   * * *** ***     &n);
*    * ** *****  * * *   ** * * (n != 0)
*** * *  **  ** **  *  * *****  *
*    *   * * * *  *** **    *   * * ******   *     *  **  ***      = n%10;
*  ***  * *    *  **     ***  * * *  * ***  **  ***   *  **  **   * = **** *******  + remainder;
*  *  ***  * ** ** *  ** * *  **   ** ****** * ***  * /= 10;
  * ** * ** **     * *
**   * * *  *   * *  * * * *   **  *   ** *  ** *  reversed_number);
 ** *   ***  ** **      * *  0;



}
answered by (-140 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 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 *** *  
int num; 

**   *** *  ** *   ** 
***  ***** ***  *****  * **  * 
*  *  * *  *  *****   *   
  *** *** * 
** *   ***   ***** *  ***  
*  **
} 
 *  *  *   * *   * *  * 
return 0; 
}
answered by (-141 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 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 <stdlib.h>

using namespace std;

int main()
{
  *    ***  *        * *     * x;
*   * * *   *    *     *  *****  * * ** * ***** 
 *  *  * ****  * ****   ****  *       * ***** **   **    *     ***  * ** ***           
*  * **   **  **      * ********  * ***     *  **     ** *   *     *******  *** **
     *   **** *  *    *** ** * **  ***  *  **  **    *  *  ** * *   * * * **      ** ** ********  ** ****       
* *  * *  ** * * * * * **  ** ***** *** ***  ** *  **
 *******   ** **   *  **   *****  *      ****** ****  **  **** ********  *** *     ** ;
 *** ** **   *  **     *   * *
  ** *  *  ** ****  ** * *  *    0;
}
answered by (-141 points)
0 0
prog.c:3:1: error: unknown type name 'using'
 using namespace std;
 ^~~~~
prog.c:3:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
 using namespace std;
                 ^~~
prog.c: In function 'main':
prog.c:7:5: error: unknown type name 'string'
     string x;
     ^~~~~~
prog.c:8:11: error: 'cin' undeclared (first use in this function)
     while(cin>>x){
           ^~~
prog.c:8:11: note: each undeclared identifier is reported only once for each function it appears in
prog.c:10:24: error: request for member 'length' in something not a structure or union
         for(int i=0;i<x.length();i++){
                        ^
prog.c:11:22: error: request for member 'length' in something not a structure or union
             re[i]=x[x.length()-i-1];
                      ^
prog.c:13:9: error: 'cout' undeclared (first use in this function)
         cout<<atoi(re)<<endl ;
         ^~~~
prog.c:13:25: error: 'endl' undeclared (first use in this function)
         cout<<atoi(re)<<endl ;
                         ^~~~
commented by (4.3k points)
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.69.59.98
©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 | 15.6k views
12,783 questions
183,442 answers
172,219 comments
4,824 users