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

2 like 0 dislike
19k 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 | 19k 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:172.69.59.172
©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 | 19k views
12,783 questions
183,442 answers
172,219 comments
4,824 users