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

2 like 0 dislike
3.3k 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 | 3.3k 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:172.70.127.8
©2016-2024

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 | 3.3k views
12,783 questions
183,443 answers
172,219 comments
4,824 users