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

2 like 0 dislike
18.9k 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 | 18.9k 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:172.71.120.164
©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 | 18.9k views
12,783 questions
183,442 answers
172,219 comments
4,824 users