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

2 like 0 dislike
18.8k 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 | 18.8k 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:172.70.50.51
©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 | 18.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users