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