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

2 like 0 dislike
10.8k 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 | 10.8k 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:172.70.135.60
©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