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()
{
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****  ******* *     ***    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

---

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

Comments

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