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()
{
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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(){
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return 0;}

Comments

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

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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!
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** *** (){
* * *   *  *
 * *   *  *       * of x and y:  *****
**  * **  ***    * * **  ***  ** *
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***
***** 
   ** *  *  * *   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;

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

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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;
*    **  * ****  * *   ** *   *
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 ** ***    ** *** * * ** ***  ** *  **    **  ****** *****
    
 ***  ***    ** * *   *   * ******* = x;
*     ** * * ***  * * **  *    = y;
** ** *  ** **** *  *** ** = temp;
* *** *  *    **    ***  ***   
** * ********    ** *** *   ****    *        x,y);
* * *    * **   ****  **
* ***      ** **** ****** ****  **     0;
}

Comments

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