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()
{
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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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**     ****  *        ******   * != 0)
* **   *  * *       * **   
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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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}

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;
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*******     *    *    * * * **  != 0)
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*     * **** * * ** * ***      ** * * **   *  *** * /= 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()
{
 ** *** *     ** * * * ** a,b,c,d,rev;
*   ******** *  ***  * *    ***   * ** *  * ** **** ***** *  *  ***  ** * *  
   **     ***  * * ** *** **     * 
*   *** ** *  ***  ** * *   * **  *** ** *
**      *   *   ** ** * ***** *** 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()
{
*  * ****  * ******** **** ***** n, reverse = 0;

 *   *** * ** * *   **** ****    ***    *** * **  * &n);

**** *** *     **** ** *****  * *   (n != 0)
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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!
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int main(void){
int num;

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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()
{
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** * * ** ** **   * *  *** * **  ***  * ** * **  **** **   *   ****   *   *    *    ** **
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* * *  *  *  **** ** ***   * ***
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***      *   **   ******  *    if (d==0 && c==0 && b==0 && a==0)
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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);
                ^~~~~