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:172.70.130.195
©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