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

2 like 0 dislike
18.8k 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 | 18.8k 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:172.70.131.190
©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 | 18.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users