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!
#include  * * * * ** *
int main()
{
*    * *** ** * **   *****
* ****   * ***  * * *   * a,r;
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***  ** * *      *    * = r + (a/1000);
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}

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 2

Hidden content!
#include ***   *  **** *  *
int main()
{
* ** ***   *  * *  *****  * ** *  n, reversedNumber = 0, remainder;

*** **    * ** *  * * *****   **** *** an integer: ");
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return 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 3

Hidden content!
#include<stdio.h>
int main(void)
{
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    {
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******** **   * ** ***** 0;
}

Comments

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

Answer 4

Hidden content!
#include<stdio.h>
int main(void)
{
*****  *** *** *  *******  tab[5],i;
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**  ***   ** * **** **  *** *  0;
}

Comments

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

Answer 5

Hidden content!
#include ** ** * *  **
int main()
{
  **     **      *  *  *     ** n, reversedNumber = 0, remainder;
****   **   **  **** ***  *     * ***  ** ** * &n);

  ** *   ** * *** ***  * * * != 0)
*** ** * * * **    **     
***     *  *  ** *  *       * ** **  ********* * **   = n%10;
** *  * * *   * **   ***   ***   **  *** ****** **  *  *   * **  = reversedNumber*10 + remainder;
**** *    * *    ***  * * * *****  ** ****  *  *****    * /= 10;
 **  * **    * **   *   * ** 

* **  *  *  *   *  * ** *** *   ** * * * ** **   **   * reversedNumber);

   * **       * **   **       *****   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()
{
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  *****  * ***** * *** **   ***  ***
*  **  *   ******  **** * *  * ******* *
*   *****  *  ******* **  *  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 7

Hidden content!
#include <stdio.h>
#include * *     **   *  

int main()
{
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  ** * ***  *   *** *   *** ** *  ****  * &n);

**  ***  *  * * *** * ** ****  * (n != 0)
 * ** ***    * *    * * 
**         ***    *   **   **  * **  **********  *******  *** **** = reverse * 10;
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 * **** ** * **   ***** ** **  **  ** * * *    * **  *    *  **    * * **** *** ** **  **   *    *** * n/10;
** ***** ********* * *** *

*******     *** * * ***** ***  * *   *  * *  *  reverse);
 * * ** ***    **  **** * 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 8

Hidden content!
* * ** ** *     *  *  *  
int main(void){
int num;

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while(num!=0){   *  *** *** * *
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num/=10; * ******  * *  *   * ** * *  
}
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return 0;
}

Comments

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

---

-----------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

---

-----------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

Answer 9

Hidden content!
#include<stdio.h>
int main()
{
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**  * *   * *  ***  
}

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 10

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

Comments

prog.c: In function 'main':
prog.c:20:16: warning: too many arguments for format [-Wformat-extra-args]
         printf("&1d",a);
                ^~~~~