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!
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int    ***
{
***  **  * *     a,b,swap;
*******    * **  * *    *  *** *
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swap=a;
a=b;
b=swap;
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* * **** *  *  ***
     *  ****  ** **  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!
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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(){
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 ******  ***  * *  *** **  *     *  * * ** *** *** x,y);
  ** **    ***  * * * ** *
     * **         * * * **      ** 0;
}

Comments

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