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:172.71.254.122
©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