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

Question

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

Answer 1

Hidden content!
    *  * ***  *** *   
int main()
{int **  **
***  *   *****      * *** * ** * **   **** *      **** * *

 * * 
***   * *  * **   * ** ***** ** 
}
else ** *  *     *    c!=0){
  * **   *     * *****  ** * 
}
else  *   *  ***    **** b!=0){
***  **   ***    * * **  *
}
else *      *   **** ***  a!=0){
 * ******* *  ********  
}
else {
*** ******** **** **
}
}

Comments

prog.c: In function 'main':
prog.c:16:17: error: format '%d' expects a matching 'int' argument [-Werror=format=]
 printf("%1d%1d%1d",b,a);
                 ^
prog.c:19:11: error: format '%d' expects a matching 'int' argument [-Werror=format=]
 printf("%1d,a");
           ^
cc1: all warnings being treated as errors

---

prog.c: In function 'main':
prog.c:16:17: warning: format '%d' expects a matching 'int' argument [-Wformat=]
 printf("%1d%1d%1d",b,a);
                 ^
prog.c:19:11: warning: format '%d' expects a matching 'int' argument [-Wformat=]
 printf("%1d,a");
           ^

Answer 2

Hidden content!
#include <stdio.h>
int main()
{
*   ** ** ***  ***  *        * * a,b,c,d;
*****  *   *  *  * *  **     *** ** *  *  * *  ** **    * **  ** *   * ** ** *  **   
* ****     *  ** *      * ******
    {
    
  * **  **   *    *  ****   **  *  *   ***  *    * **   *  *  * 
* ******* **** **  *  * * * * 
 *  ***    * *   ****  *   *  if (d==0 && c!=0)
*** *       *  *   * **  * *
* * * *   * *  *  **   * ** * ***  ****  ** **** *  ** *
   **   ** ** *   *   *
* ***    *  ** * * *  * **  if(c==0 && b!=0)
 ****  *** ** *  *******  *
 *******  *    ** ** ******     ***** *    ** *******
**  ********   * * **** **
*****   ***      ** * **  * 
******  *** * * *** 
 *  *  *     ** *** * *     *   *  ** * ** ** *   
***   ** **  * * ** *         *
          ** *    * ** **    0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output

---

-----------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

---

-----------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

Answer 3

Hidden content!
#include<stdio.h>

int main()

{
** * * * * ** *** *** a,b=0;
* * * * *** * *** * ****** *** * **** * * *
******* * * **** **** * ** * ***
** * *** * * ** * * **
* * * * *** ** **** *** ** ** *** *****
* ***** * * ** * * ********* ****** ***** *** * * *

    }
* * * *** ** ** * ** * *** * * ** * *

}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output

Answer 4

Hidden content!
#include<stdio.h>

int main()

{
* * ****** *** * ** a,b=0;
* **** * *** * * **** * * *** ** * * ****
** ***** * ** * ** * * ***
** ******* * **** *
* ** * * ***** * *** * * * * * * ** *
*** * * **** * ** *********** * * *** * *

    }
**** * * *** ** * ** * ** ** ** **

}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output

Answer 5

Hidden content!
#include <stdio.h>

#include <stdlib.h>



int main()

{
** * * * * * *** a,b,c,d,e;
** ** ** ** *** **** *** * *** * ******* ****
** ** * * * * ** ** **
* ***** *** ** ** ** ** * **
*** * *** ** ** * * * ** *
***** * * ** * * **** * *
* * ** ** * **** ** ***** *** * * ** * * * ** * * *** * **


* * * ** * * ** ** * 0;

}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output

Answer 6

Hidden content!
#include <stdio.h>

int main()

{
** ** *** *** * ** n,x=0,y;
** *** ** ** *** * * *** * * *** * ** ** *


***** ** ******* * * ** 0)
** *** ** * ** *
* * *** * ***** * ** ** * * ** * ** *
** **** * * ** * ** * * * * *** *** * * * *
* *** * * ** ** ** ******** ******* * * * ** ** * * *

    }


** * * ** ** * **** * * * ** *******


*** ** ** ** ** *** * 0;

}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output

Answer 7

Hidden content!
#include <stdio.h>

int main()

{
* * * * * ** ***** * n,x=0,y;
** * ***** ** * * ****** * *


*** * * *** * * * * 0)
***** * * * ** * **
*** *** * * *** * ** * * * * * * ***
* *** ** * * * * * ** * ** * ** *** * * ***
** * * *** * ***** * * * *** **

    }


** * * *** *** *** ** ***** ***** * *********


* * ** ** ** ** * * * **** 0;

}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output

Answer 8

Hidden content!
#include <stdio.h>
int main()
{
   *  *   ***      ***  *  ** *  n,x=0,y;
***   ** * *  ** **   **   * *    **** **** ** ***  **  *

***       **** *   * **    * *******  0)
* *  * ** *****  **    ** *  *
  ***  **   * ** ** ** ****** *****   * *   **   *****  **  
*  * *  * *  **  *  ****    * *    ***         * ** *  ***  
  *     * **** *  **  *** **  *   **** *  ****** *   **    *
    }

       * **    *  *****   * ***   **   *  ******

*  * **     *** ***    **   **** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output

---

-----------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

Answer 9

Hidden content!
#include ***    *  **  


int main (void)

{

     **  *** ** *** * * * * *  a,b,c,d,e,f,g,h;

*  ***      **** *     *   *  * *  ** * *   *  *     **  *  **  **  *     ******  

* * ****  *    *****    *
 * *  * ** ***     * ********* **
  **          *********** ** * **
******* * * * * *** *  ** * **  ****



   * ** **** * ****  * * *  * (e ==0&& f!= 0){

  **   **** **  ****     ***  **    *   *    *    *** ***  ******   * * * 

 ** ***   **    **  *      

******    ***   *** if (e == 0 && f== 0 * *      * * 

   * * * ** ***********  * * ** ***   *  * 
 *   **    * *    **  
 **     * *   **  if (e == 0 && f== 0&& g==0){

**** **   *  * * ** ** *    *****  * ****   * *

*  **   **   ***
  * * ***    * ** if (e!=0){
 * *** ** ********** ** ** **** *  **   **
*** * * ** ***
*    * ** *    *  *  *** **  0;

}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output

---

-----------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

Answer 10

Hidden content!
#include <stdio.h>
int main(void)

{
*  ****** *    *   ** **** *   a,b,c,d;
  *  **     *  *  * * **   x,y,z,t;
  *    * ******   *   *  ***  *  ****   * *   *  * *   ** * * **   ** * *  **** ******* ** *    
****  **    * *  ***   * * * *** 
* *     *      *** *  * **  ** * 
*** ****** **  *** * * **    *
 *** *** **  **    *** * * ****

*** ** ****  * * ** *  (t!=0 && z!=0 )
* **  * *   * * *   *** *     
*** *    * **       *     *  ***** *  *****  ****  *    **   *   **    ***  z, y,x);
    ** *  *****  ****** * * 
*   *      **     *  *  * if (t==0 && z!=0 && y!=0 && x!=0 )
** * *  ** ***   * *  *  **  *  *   **  *      *
  *      *   * ** *  * **  *  * **  *  *** ** *  *   *** **     *** ** **  ******  **  * ** * * y,x);}
else if (t==0 && z==0 && y==0 && x!=0 )
*******    ***   ** **        * *  *  ******   *    *
  ***** * *** *   *** ***   *** **  **   *****   * * **   *  **   ******* ** ** * **  ****  *****  * 
 *** *** * **     * **  * ***   
 * ****** * *  *** ***   * ****    ** ** 
*  **     *    **   ***  *  * ****   ** **  ** *       **** ** *      * *** ** * **   * ** y,x);}
** *  *********   ***  *  ** *  *  0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
Case 5: Correct output

---

-----------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