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

2 like 0 dislike
17.9k 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 | 17.9k 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:172.70.50.27
©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 | 17.4k views
12,783 questions
183,442 answers
172,219 comments
4,824 users