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

2 like 0 dislike
10.6k 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 | 10.6k 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:172.70.131.161
©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 | 9.7k views
12,783 questions
183,442 answers
172,219 comments
4,824 users