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