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:172.70.127.56
©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