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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}

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

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

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

Comments

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