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

2 like 0 dislike
12.6k 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 | 12.6k 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:108.162.216.253
©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 | 11.8k views
12,783 questions
183,442 answers
172,219 comments
4,824 users