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

2 like 0 dislike
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 | 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:172.71.254.251
©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 | 8.1k views
12,783 questions
183,443 answers
172,219 comments
4,824 users