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:172.70.127.56
©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