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

2 like 0 dislike
11.1k 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 | 11.1k 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:172.69.59.236
©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