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!
* ** * *  *     * * *

int main()

{
**  **   *  ****  *** *   *  i,j,k;
* *      ** *   *  *  * * *   **        *   \n  *  **    ** ** ** * *
 * **       *   ** *  * ****   ** *  * * ***  ***  ** **

}

Comments

prog.c:3:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()//\xe4\xbd\x8d\xe7\xbd\xae\xe4\xba\x92\xe6\x8f\x9b*
 ^~~~

---

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

---

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

Answer 2

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

Comments

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

Answer 3

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

int main()
{
 **   *  *** ***  **   * * * *  x,y,temp;

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

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

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

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

Comments

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

Answer 4

Hidden content!
#include **    ***  *

int main()

{
 *** ** **    *   *  ***** *** x,y;
* *   * *  *  ** * *  *   * * ********  *** **   * ***   *    * *
**   ** **** *      *** **  **** ***   *         *     * ***

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

}

Comments

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

Answer 5

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

int main()
{
 * *** **    **     *  **   *   x, y ,temp;

*  *  **  ***     **  * * ***** ****  ** *    * &x);
 ** *  **** *   ** ** * * *   ** *   *** *    * &y);

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

  ** *  *   *  *** * ** **  ****    ****     **  * x);
    *****  *   **      * *  *****  *   ** * ** y);
    *** ** **      * **    * ** 0;
}

Comments

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

Answer 6

Hidden content!
#include <stdio.h>

int main()
{
* * ** *   *** *** *  ** x;
** *  * * *  **   * **** * * y;
  ********     ** ******  *** *   ** temp;

 * * *****   *** ***  ****  ** *    * **    ***      ** **** &y);

* *  * * *     * *      * = x;
*  ** ****  ** **  *  * *  ** = y;
  * * *** **** ***** *** = temp;

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

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

Comments

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

Answer 7

Hidden content!
#include <stdio.h>
int main()
{
  *********** ****** *   first,second,temp;
 *  *  ** **    **  *  ***  ***  *  * **          ** * ** * ** 
 ***   * ** *** * * *** * ***** =second;
  **   ***     *** *** * *  * *   =first;
*    *  ** *** * **  ****  *    = temp;
 * ** *     *****     **    
**  *     ***   ****  * *   * **  *** **       ***  first);
*  **  * ** *** **  **   ***       * *  *   second);

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

Comments

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

Answer 8

Hidden content!
#include * * * *** * *

int main()

{
* ** * * *** * **** ** x, y, temp;




* *** * * * * ** ***** * **** *** ** * &x, &y);
***** ***** * ** ** *** ** = * ** ** * ** *


* ** *** *** * ** = x;
* * * *** ** * * * * ***** * ** * *** y;
* * * * * ** * ** * * ***** *** * ** *** temp;
* ** * * **** * ** * ** ** = %d\ny = * ** x, y);






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

Answer 9

Hidden content!
#include ** * * *** * **



int main (void)



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


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

}

Answer 10

Hidden content!
#include * * ** * ** *

int main (void)

 {
* *** * x,y,z;


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


* * ** 0;
** * *