9/28 Write a program to swap the values of two variables

Question

Write a program to swap the values of two variables. The program will ask the user to input variables x and y with numerical values. You must write code that exchanges their values: the value of x after your code runs must equal the value that y had before your code ran, and the value of y after your code runs must equal the value that x had before your code ran.

寫一個交換兩個變數的程式

Example input:

3
5

Example output:

5
3

Remember: Your output may be 100% correct, but your code matters!

Comments

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Answer 1

Hidden content!
#include<stdio.h>

int main()
{
     *    ***** ** *    ** ** a,b,swap;
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**  * ***   ** *  * **   ** *  
 *   *   *  * ** **   **  *   * * 
**   * *   **  **  *  * * *     *
**    **  *  *   ***  *   ** **** *   * *   ** ***   *******
 **** ** * * *     * *  * *  ** 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 2

Hidden content!
#include <stdio.h>
int main()
{
   **   ** *  **** * first_number;
  * *   * *   ** ** *** second_number;
** ***  * *      ** **  ** **   swap;

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

}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 3

Hidden content!
#include<stdio.h>
int main(){
*** **     * *     ***  *** *   a,b,temp;
** * *** **  ****   *  ** ***** **** **     **   *  * ***
   **  **  ** *  **  **  * ** **    **** ** **
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return 0;}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

---

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 4

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

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 5

Hidden content!
* ** *   *      ** ***
 * *   (){
  **** *
*  *** * **   **  of x and y: *    ***   
 * * *  * *  **    *****  * * ** * 
* * *  ** * **  of x= %d and the  ** of y *  *  **  ***
  * * * *
  
** *    
 ** *      ** ** x  * y  * *    ** *  * * *  ****


* **** 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

Answer 6

Hidden content!
  ** ****  ***     **
int   * *   
{
*** **  ****   **** a,b,swap;
**  ***  * *    *  ** ***** *
 ** *    * *  *** * **  ****  
swap=a;
a=b;
b=swap;
     *   ***** ** **  *  a);
  ** *  ***       ** **
* * *    ***** 0 ;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 7

Hidden content!
**  *   * *      *  * 
main()
{
*      ***** **    *  
****  *    *   **    ****   
  *     ***** ** ****** 
swap=a;
a=b;
b=swap;
   ** *****  * ****    a);
**       ** *       *
 **  **     *   *  0 ;
}

Comments

prog.c:2:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~

Answer 8

Hidden content!
 ** *** *   *   ** 
 int main(){
int a,b;

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

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

return 0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output

Answer 9

Hidden content!
 * * **  ** *  *** ** 
 **** * ***  main(){
int a,b;

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

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

return 0;
}

Comments

Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output

Answer 10

Hidden content!
#include <stdio.h>

int main(){
********* ***** ***  * ** *
*  *      *  *   ** * **       * x,y,temp;
** ** *     *  ******     ** *
****** *****    ** **   * *   **** * ** * * *  ** ** ** ***  
**  ****** *******   *          *** * *  * * 
    
    **  * **** *   ****    ** = x;
* *  ***  *    * ** *   *   = y;
*  *  * * ***  *   * **  ** = temp;
  ** ** *     *    * *   *
 * *  * * ** *** *    * ****    *  ***   *  ** ***  *** x,y);
    * **  *** *  * * ***  
***   *  *  *** ****** *  * **  0;
}

Comments

Case 0: Correct output
Case 1: Correct output
Case 2: Correct output