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

u

Answer 1

Hidden content!
#include<stdio.h>

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

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


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

**  ****  *  *  *   * *   *   * * * *   * *** ** *  ** *  );
****  *******   *  ** ***   *  *  * ** * **  * **     ****
* *     * **  * *  **** **   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;
 ****   * ** *        ***  ***   * * ****   *   *  *  *   * *
  *** **** *  *   **   **   * ** **** ** *
* * **  * ***  ***     **  ** *  ** * * **  *** * ** * 
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;
  **  * ***   * ** *   ***  * *  *  ** *    * ** ***  ** 
**   *  ***      ***   * * ** **  *  ** *** *  ** **  * * *
  *  *   ** * ** ***    
 ***  ** * * * *  ** ***  **  * ***
*   ***  * *      **** ***  ** * * 
*    * *   *  *   *   ***   ****      *    * *
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